diff options
Diffstat (limited to 'arch/arm')
141 files changed, 870 insertions, 233 deletions
diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index 0f23009170a..6ab6b337a91 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -172,7 +172,7 @@ not_angel: adr r0, LC0 ARM( ldmia r0, {r1, r2, r3, r4, r5, r6, r11, ip, sp}) THUMB( ldmia r0, {r1, r2, r3, r4, r5, r6, r11, ip} ) - THUMB( ldr sp, [r0, #28] ) + THUMB( ldr sp, [r0, #32] ) subs r0, r0, r1 @ calculate the delta offset @ if delta is zero, we are diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c index 6416d5b5020..dba4c1da63e 100644 --- a/arch/arm/common/clkdev.c +++ b/arch/arm/common/clkdev.c @@ -18,6 +18,7 @@ #include <linux/string.h> #include <linux/mutex.h> #include <linux/clk.h> +#include <linux/slab.h> #include <asm/clkdev.h> #include <mach/clkdev.h> diff --git a/arch/arm/common/it8152.c b/arch/arm/common/it8152.c index ee1d3b85eb6..7974baacafc 100644 --- a/arch/arm/common/it8152.c +++ b/arch/arm/common/it8152.c @@ -21,7 +21,6 @@ #include <linux/ptrace.h> #include <linux/interrupt.h> #include <linux/mm.h> -#include <linux/slab.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/irq.h> diff --git a/arch/arm/include/asm/cacheflush.h b/arch/arm/include/asm/cacheflush.h index 72da7e045c6..0d08d4170b6 100644 --- a/arch/arm/include/asm/cacheflush.h +++ b/arch/arm/include/asm/cacheflush.h @@ -15,6 +15,7 @@ #include <asm/glue.h> #include <asm/shmparam.h> #include <asm/cachetype.h> +#include <asm/outercache.h> #define CACHE_COLOUR(vaddr) ((vaddr & (SHMLBA - 1)) >> PAGE_SHIFT) @@ -219,12 +220,6 @@ struct cpu_cache_fns { void (*dma_flush_range)(const void *, const void *); }; -struct outer_cache_fns { - void (*inv_range)(unsigned long, unsigned long); - void (*clean_range)(unsigned long, unsigned long); - void (*flush_range)(unsigned long, unsigned long); -}; - /* * Select the calling method */ @@ -281,37 +276,6 @@ extern void dmac_flush_range(const void *, const void *); #endif -#ifdef CONFIG_OUTER_CACHE - -extern struct outer_cache_fns outer_cache; - -static inline void outer_inv_range(unsigned long start, unsigned long end) -{ - if (outer_cache.inv_range) - outer_cache.inv_range(start, end); -} -static inline void outer_clean_range(unsigned long start, unsigned long end) -{ - if (outer_cache.clean_range) - outer_cache.clean_range(start, end); -} -static inline void outer_flush_range(unsigned long start, unsigned long end) -{ - if (outer_cache.flush_range) - outer_cache.flush_range(start, end); -} - -#else - -static inline void outer_inv_range(unsigned long start, unsigned long end) -{ } -static inline void outer_clean_range(unsigned long start, unsigned long end) -{ } -static inline void outer_flush_range(unsigned long start, unsigned long end) -{ } - -#endif - /* * Copy user data from/to a page which is mapped into a different * processes address space. Really, we want to allow our "user diff --git a/arch/arm/include/asm/clkdev.h b/arch/arm/include/asm/clkdev.h index 7a0690da5e6..b56c1389b6f 100644 --- a/arch/arm/include/asm/clkdev.h +++ b/arch/arm/include/asm/clkdev.h @@ -13,6 +13,7 @@ #define __ASM_CLKDEV_H struct clk; +struct device; struct clk_lookup { struct list_head node; diff --git a/arch/arm/include/asm/highmem.h b/arch/arm/include/asm/highmem.h index 7f36d00600b..feb988a7ec3 100644 --- a/arch/arm/include/asm/highmem.h +++ b/arch/arm/include/asm/highmem.h @@ -11,7 +11,11 @@ #define kmap_prot PAGE_KERNEL -#define flush_cache_kmaps() flush_cache_all() +#define flush_cache_kmaps() \ + do { \ + if (cache_is_vivt()) \ + flush_cache_all(); \ + } while (0) extern pte_t *pkmap_page_table; @@ -21,11 +25,20 @@ extern void *kmap_high(struct page *page); extern void *kmap_high_get(struct page *page); extern void kunmap_high(struct page *page); +extern void *kmap_high_l1_vipt(struct page *page, pte_t *saved_pte); +extern void kunmap_high_l1_vipt(struct page *page, pte_t saved_pte); + +/* + * The following functions are already defined by <linux/highmem.h> + * when CONFIG_HIGHMEM is not set. + */ +#ifdef CONFIG_HIGHMEM extern void *kmap(struct page *page); extern void kunmap(struct page *page); extern void *kmap_atomic(struct page *page, enum km_type type); extern void kunmap_atomic(void *kvaddr, enum km_type type); extern void *kmap_atomic_pfn(unsigned long pfn, enum km_type type); extern struct page *kmap_atomic_to_page(const void *ptr); +#endif #endif diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h index 328f14a8b79..237282f7c76 100644 --- a/arch/arm/include/asm/irq.h +++ b/arch/arm/include/asm/irq.h @@ -17,6 +17,7 @@ #ifndef __ASSEMBLY__ struct irqaction; +struct pt_regs; extern void migrate_irqs(void); extern void asm_do_IRQ(unsigned int, struct pt_regs *); diff --git a/arch/arm/include/asm/kmap_types.h b/arch/arm/include/asm/kmap_types.h index c019949a518..c4b2ea3fbe4 100644 --- a/arch/arm/include/asm/kmap_types.h +++ b/arch/arm/include/asm/kmap_types.h @@ -18,6 +18,7 @@ enum km_type { KM_IRQ1, KM_SOFTIRQ0, KM_SOFTIRQ1, + KM_L1_CACHE, KM_L2_CACHE, KM_TYPE_NR }; diff --git a/arch/arm/include/asm/outercache.h b/arch/arm/include/asm/outercache.h new file mode 100644 index 00000000000..25f76bae57a --- /dev/null +++ b/arch/arm/include/asm/outercache.h @@ -0,0 +1,75 @@ +/* + * arch/arm/include/asm/outercache.h + * + * Copyright (C) 2010 ARM Ltd. + * Written by Catalin Marinas <catalin.marinas@arm.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#ifndef __ASM_OUTERCACHE_H +#define __ASM_OUTERCACHE_H + +struct outer_cache_fns { + void (*inv_range)(unsigned long, unsigned long); + void (*clean_range)(unsigned long, unsigned long); + void (*flush_range)(unsigned long, unsigned long); +#ifdef CONFIG_OUTER_CACHE_SYNC + void (*sync)(void); +#endif +}; + +#ifdef CONFIG_OUTER_CACHE + +extern struct outer_cache_fns outer_cache; + +static inline void outer_inv_range(unsigned long start, unsigned long end) +{ + if (outer_cache.inv_range) + outer_cache.inv_range(start, end); +} +static inline void outer_clean_range(unsigned long start, unsigned long end) +{ + if (outer_cache.clean_range) + outer_cache.clean_range(start, end); +} +static inline void outer_flush_range(unsigned long start, unsigned long end) +{ + if (outer_cache.flush_range) + outer_cache.flush_range(start, end); +} + +#else + +static inline void outer_inv_range(unsigned long start, unsigned long end) +{ } +static inline void outer_clean_range(unsigned long start, unsigned long end) +{ } +static inline void outer_flush_range(unsigned long start, unsigned long end) +{ } + +#endif + +#ifdef CONFIG_OUTER_CACHE_SYNC +static inline void outer_sync(void) +{ + if (outer_cache.sync) + outer_cache.sync(); +} +#else +static inline void outer_sync(void) +{ } +#endif + +#endif /* __ASM_OUTERCACHE_H */ diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index ca88e6a8470..4ace45ec3ef 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -60,6 +60,8 @@ #include <linux/linkage.h> #include <linux/irqflags.h> +#include <asm/outercache.h> + #define __exception __attribute__((section(".exception.text"))) struct thread_info; @@ -137,10 +139,12 @@ extern unsigned int user_debug; #define dmb() __asm__ __volatile__ ("" : : : "memory") #endif -#if __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP) -#define mb() dmb() +#ifdef CONFIG_ARCH_HAS_BARRIERS +#include <mach/barriers.h> +#elif __LINUX_ARM_ARCH__ >= 7 || defined(CONFIG_SMP) +#define mb() do { dsb(); outer_sync(); } while (0) #define rmb() dmb() -#define wmb() dmb() +#define wmb() mb() #else #define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) #define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0) @@ -152,9 +156,9 @@ extern unsigned int user_debug; #define smp_rmb() barrier() #define smp_wmb() barrier() #else -#define smp_mb() mb() -#define smp_rmb() rmb() -#define smp_wmb() wmb() +#define smp_mb() dmb() +#define smp_rmb() dmb() +#define smp_wmb() dmb() #endif #define read_barrier_depends() do { } while(0) diff --git a/arch/arm/include/asm/ucontext.h b/arch/arm/include/asm/ucontext.h index bf65e9f4525..47f023aa849 100644 --- a/arch/arm/include/asm/ucontext.h +++ b/arch/arm/include/asm/ucontext.h @@ -59,23 +59,22 @@ struct iwmmxt_sigframe { #endif /* CONFIG_IWMMXT */ #ifdef CONFIG_VFP -#if __LINUX_ARM_ARCH__ < 6 -/* For ARM pre-v6, we use fstmiax and fldmiax. This adds one extra - * word after the registers, and a word of padding at the end for - * alignment. */ #define VFP_MAGIC 0x56465001 -#define VFP_STORAGE_SIZE 152 -#else -#define VFP_MAGIC 0x56465002 -#define VFP_STORAGE_SIZE 144 -#endif struct vfp_sigframe { unsigned long magic; unsigned long size; - union vfp_state storage; -}; + struct user_vfp ufp; + struct user_vfp_exc ufp_exc; +} __attribute__((__aligned__(8))); + +/* + * 8 byte for magic and size, 264 byte for ufp, 12 bytes for ufp_exc, + * 4 bytes padding. + */ +#define VFP_STORAGE_SIZE sizeof(struct vfp_sigframe) + #endif /* CONFIG_VFP */ /* @@ -91,7 +90,7 @@ struct aux_sigframe { #ifdef CONFIG_IWMMXT struct iwmmxt_sigframe iwmmxt; #endif -#if 0 && defined CONFIG_VFP /* Not yet saved. */ +#ifdef CONFIG_VFP struct vfp_sigframe vfp; #endif /* Something that isn't a valid magic number for any coprocessor. */ diff --git a/arch/arm/include/asm/user.h b/arch/arm/include/asm/user.h index df95e050f9d..05ac4b06876 100644 --- a/arch/arm/include/asm/user.h +++ b/arch/arm/include/asm/user.h @@ -83,11 +83,21 @@ struct user{ /* * User specific VFP registers. If only VFPv2 is present, registers 16 to 31 - * are ignored by the ptrace system call. + * are ignored by the ptrace system call and the signal handler. */ struct user_vfp { unsigned long long fpregs[32]; unsigned long fpscr; }; +/* + * VFP exception registers exposed to user space during signal delivery. + * Fields not relavant to the current VFP architecture are ignored. + */ +struct user_vfp_exc { + unsigned long fpexc; + unsigned long fpinst; + unsigned long fpinst2; +}; + #endif /* _ARM_USER_H */ diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c index b7cb45bb91e..3b3d2c80509 100644 --- a/arch/arm/kernel/irq.c +++ b/arch/arm/kernel/irq.c @@ -27,7 +27,6 @@ #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/irq.h> -#include <linux/slab.h> #include <linux/random.h> #include <linux/smp.h> #include <linux/init.h> diff --git a/arch/arm/kernel/kprobes.c b/arch/arm/kernel/kprobes.c index 60c62c377fa..2ba7deb3072 100644 --- a/arch/arm/kernel/kprobes.c +++ b/arch/arm/kernel/kprobes.c @@ -22,6 +22,7 @@ #include <linux/kernel.h> #include <linux/kprobes.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/stop_machine.h> #include <linux/stringify.h> #include <asm/traps.h> @@ -393,6 +394,14 @@ void __kprobes jprobe_return(void) /* * Setup an empty pt_regs. Fill SP and PC fields as * they're needed by longjmp_break_handler. + * + * We allocate some slack between the original SP and start of + * our fabricated regs. To be precise we want to have worst case + * covered which is STMFD with all 16 regs so we allocate 2 * + * sizeof(struct_pt_regs)). + * + * This is to prevent any simulated instruction from writing + * over the regs when they are accessing the stack. */ "sub sp, %0, %1 \n\t" "ldr r0, ="__stringify(JPROBE_MAGIC_ADDR)"\n\t" @@ -410,7 +419,7 @@ void __kprobes jprobe_return(void) "ldmia sp, {r0 - pc} \n\t" : : "r" (kcb->jprobe_saved_regs.ARM_sp), - "I" (sizeof(struct pt_regs)), + "I" (sizeof(struct pt_regs) * 2), "J" (offsetof(struct pt_regs, ARM_sp)), "J" (offsetof(struct pt_regs, ARM_pc)), "J" (offsetof(struct pt_regs, ARM_cpsr)) diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c index f28c5e9c51e..c628bdf6c43 100644 --- a/arch/arm/kernel/module.c +++ b/arch/arm/kernel/module.c @@ -16,9 +16,9 @@ #include <linux/mm.h> #include <linux/elf.h> #include <linux/vmalloc.h> -#include <linux/slab.h> #include <linux/fs.h> #include <linux/string.h> +#include <linux/gfp.h> #include <asm/pgtable.h> #include <asm/sections.h> diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c index ba2adefa53f..0e12e0acbf2 100644 --- a/arch/arm/kernel/process.c +++ b/arch/arm/kernel/process.c @@ -16,7 +16,6 @@ #include <linux/mm.h> #include <linux/stddef.h> #include <linux/unistd.h> -#include <linux/slab.h> #include <linux/user.h> #include <linux/delay.h> #include <linux/reboot.h> diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index e7714f367eb..907d5a620bc 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -18,6 +18,7 @@ #include <asm/cacheflush.h> #include <asm/ucontext.h> #include <asm/unistd.h> +#include <asm/vfp.h> #include "ptrace.h" #include "signal.h" @@ -175,6 +176,90 @@ static int restore_iwmmxt_context(struct iwmmxt_sigframe *frame) #endif +#ifdef CONFIG_VFP + +static int preserve_vfp_context(struct vfp_sigframe __user *frame) +{ + struct thread_info *thread = current_thread_info(); + struct vfp_hard_struct *h = &thread->vfpstate.hard; + const unsigned long magic = VFP_MAGIC; + const unsigned long size = VFP_STORAGE_SIZE; + int err = 0; + + vfp_sync_hwstate(thread); + __put_user_error(magic, &frame->magic, err); + __put_user_error(size, &frame->size, err); + + /* + * Copy the floating point registers. There can be unused + * registers see asm/hwcap.h for details. + */ + err |= __copy_to_user(&frame->ufp.fpregs, &h->fpregs, + sizeof(h->fpregs)); + /* + * Copy the status and control register. + */ + __put_user_error(h->fpscr, &frame->ufp.fpscr, err); + + /* + * Copy the exception registers. + */ + __put_user_error(h->fpexc, &frame->ufp_exc.fpexc, err); + __put_user_error(h->fpinst, &frame->ufp_exc.fpinst, err); + __put_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err); + + return err ? -EFAULT : 0; +} + +static int restore_vfp_context(struct vfp_sigframe __user *frame) +{ + struct thread_info *thread = current_thread_info(); + struct vfp_hard_struct *h = &thread->vfpstate.hard; + unsigned long magic; + unsigned long size; + unsigned long fpexc; + int err = 0; + + __get_user_error(magic, &frame->magic, err); + __get_user_error(size, &frame->size, err); + + if (err) + return -EFAULT; + if (magic != VFP_MAGIC || size != VFP_STORAGE_SIZE) + return -EINVAL; + + /* + * Copy the floating point registers. There can be unused + * registers see asm/hwcap.h for details. + */ + err |= __copy_from_user(&h->fpregs, &frame->ufp.fpregs, + sizeof(h->fpregs)); + /* + * Copy the status and control register. + */ + __get_user_error(h->fpscr, &frame->ufp.fpscr, err); + + /* + * Sanitise and restore the exception registers. + */ + __get_user_error(fpexc, &frame->ufp_exc.fpexc, err); + /* Ensure the VFP is enabled. */ + fpexc |= FPEXC_EN; + /* Ensure FPINST2 is invalid and the exception flag is cleared. */ + fpexc &= ~(FPEXC_EX | FPEXC_FP2V); + h->fpexc = fpexc; + + __get_user_error(h->fpinst, &frame->ufp_exc.fpinst, err); + __get_user_error(h->fpinst2, &frame->ufp_exc.fpinst2, err); + + if (!err) + vfp_flush_hwstate(thread); + + return err ? -EFAULT : 0; +} + +#endif + /* * Do a signal return; undo the signal stack. These are aligned to 64-bit. */ @@ -233,8 +318,8 @@ static int restore_sigframe(struct pt_regs *regs, struct sigframe __user *sf) err |= restore_iwmmxt_context(&aux->iwmmxt); #endif #ifdef CONFIG_VFP -// if (err == 0) -// err |= vfp_restore_state(&sf->aux.vfp); + if (err == 0) + err |= restore_vfp_context(&aux->vfp); #endif return err; @@ -348,8 +433,8 @@ setup_sigframe(struct sigframe __user *sf, struct pt_regs *regs, sigset_t *set) err |= preserve_iwmmxt_context(&aux->iwmmxt); #endif #ifdef CONFIG_VFP -// if (err == 0) -// err |= vfp_save_state(&sf->aux.vfp); + if (err == 0) + err |= preserve_vfp_context(&aux->vfp); #endif __put_user_error(0, &aux->end_magic, err); diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c index 4350f75e578..c23501842b9 100644 --- a/arch/arm/kernel/sys_arm.c +++ b/arch/arm/kernel/sys_arm.c @@ -15,7 +15,6 @@ #include <linux/module.h> #include <linux/errno.h> #include <linux/sched.h> -#include <linux/slab.h> #include <linux/mm.h> #include <linux/sem.h> #include <linux/msg.h> @@ -27,6 +26,7 @@ #include <linux/file.h> #include <linux/ipc.h> #include <linux/uaccess.h> +#include <linux/slab.h> /* Fork a new task - this creates a new program thread. * This is called indirectly via a small wrapper diff --git a/arch/arm/lib/memmove.S b/arch/arm/lib/memmove.S index 5025c863713..938fc14f962 100644 --- a/arch/arm/lib/memmove.S +++ b/arch/arm/lib/memmove.S @@ -74,7 +74,7 @@ ENTRY(memmove) rsb ip, ip, #32 addne pc, pc, ip @ C is always clear here b 7f -6: nop +6: W(nop) W(ldr) r3, [r1, #-4]! W(ldr) r4, [r1, #-4]! W(ldr) r5, [r1, #-4]! @@ -85,7 +85,7 @@ ENTRY(memmove) add pc, pc, ip nop - nop + W(nop) W(str) r3, [r0, #-4]! W(str) r4, [r0, #-4]! W(str) r5, [r0, #-4]! diff --git a/arch/arm/lib/uaccess_with_memcpy.c b/arch/arm/lib/uaccess_with_memcpy.c index 6b967ffb655..e2d2f2cd0c4 100644 --- a/arch/arm/lib/uaccess_with_memcpy.c +++ b/arch/arm/lib/uaccess_with_memcpy.c @@ -16,6 +16,7 @@ #include <linux/mm.h> #include <linux/sched.h> #include <linux/hardirq.h> /* for in_atomic() */ +#include <linux/gfp.h> #include <asm/current.h> #include <asm/page.h> diff --git a/arch/arm/mach-aaec2000/core.c b/arch/arm/mach-aaec2000/core.c index b5c5fc6ba3a..3ef68330452 100644 --- a/arch/arm/mach-aaec2000/core.c +++ b/arch/arm/mach-aaec2000/core.c @@ -20,6 +20,7 @@ #include <linux/timex.h> #include <linux/signal.h> #include <linux/clk.h> +#include <linux/gfp.h> #include <mach/hardware.h> #include <asm/irq.h> diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile index 027dd570dcc..d4004557532 100644 --- a/arch/arm/mach-at91/Makefile +++ b/arch/arm/mach-at91/Makefile @@ -16,8 +16,8 @@ obj-$(CONFIG_ARCH_AT91SAM9261) += at91sam9261.o at91sam926x_time.o at91sam9261_d obj-$(CONFIG_ARCH_AT91SAM9G10) += at91sam9261.o at91sam926x_time.o at91sam9261_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91SAM9263) += at91sam9263.o at91sam926x_time.o at91sam9263_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91SAM9RL) += at91sam9rl.o at91sam926x_time.o at91sam9rl_devices.o sam9_smc.o -obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o - obj-$(CONFIG_ARCH_AT91SAM9G45) += at91sam9g45.o at91sam926x_time.o at91sam9g45_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9G20) += at91sam9260.o at91sam926x_time.o at91sam9260_devices.o sam9_smc.o +obj-$(CONFIG_ARCH_AT91SAM9G45) += at91sam9g45.o at91sam926x_time.o at91sam9g45_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91CAP9) += at91cap9.o at91sam926x_time.o at91cap9_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT572D940HF) += at572d940hf.o at91sam926x_time.o at572d940hf_devices.o sam9_smc.o obj-$(CONFIG_ARCH_AT91X40) += at91x40.o at91x40_time.o diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S index 987fab3d846..9c5b48e68a7 100644 --- a/arch/arm/mach-at91/pm_slowclock.S +++ b/arch/arm/mach-at91/pm_slowclock.S @@ -175,8 +175,6 @@ ENTRY(at91_slow_clock) orr r3, r3, #(1 << 29) /* bit 29 always set */ str r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)] - wait_pllalock - /* Save PLLB setting and disable it */ ldr r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)] str r3, .saved_pllbr @@ -184,8 +182,6 @@ ENTRY(at91_slow_clock) mov r3, #AT91_PMC_PLLCOUNT str r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)] - wait_pllblock - /* Turn off the main oscillator */ ldr r3, [r1, #(AT91_CKGR_MOR - AT91_PMC)] bic r3, r3, #AT91_PMC_MOSCEN @@ -205,13 +201,25 @@ ENTRY(at91_slow_clock) ldr r3, .saved_pllbr str r3, [r1, #(AT91_CKGR_PLLBR - AT91_PMC)] + tst r3, #(AT91_PMC_MUL & 0xff0000) + bne 1f + tst r3, #(AT91_PMC_MUL & ~0xff0000) + beq 2f +1: wait_pllblock +2: /* Restore PLLA setting */ ldr r3, .saved_pllar str r3, [r1, #(AT91_CKGR_PLLAR - AT91_PMC)] + tst r3, #(AT91_PMC_MUL & 0xff0000) + bne 3f + tst r3, #(AT91_PMC_MUL & ~0xff0000) + beq 4f +3: wait_pllalock +4: #ifdef SLOWDOWN_MASTER_CLOCK /* diff --git a/arch/arm/mach-bcmring/dma.c b/arch/arm/mach-bcmring/dma.c index 7b20fccb9d4..29c0a911df2 100644 --- a/arch/arm/mach-bcmring/dma.c +++ b/arch/arm/mach-bcmring/dma.c @@ -28,6 +28,7 @@ #include <linux/interrupt.h> #include <linux/irqreturn.h> #include <linux/proc_fs.h> +#include <linux/slab.h> #include <mach/timer.h> @@ -2220,11 +2221,15 @@ EXPORT_SYMBOL(dma_map_create_descriptor_ring); int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ int dirtied /* non-zero if any of the pages were modified */ ) { + + int rc = 0; int regionIdx; int segmentIdx; DMA_Region_t *region; DMA_Segment_t *segment; + down(&memMap->lock); + for (regionIdx = 0; regionIdx < memMap->numRegionsUsed; regionIdx++) { region = &memMap->region[regionIdx]; @@ -2238,7 +2243,8 @@ int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ printk(KERN_ERR "%s: vmalloc'd pages are not yet supported\n", __func__); - return -EINVAL; + rc = -EINVAL; + goto out; } case DMA_MEM_TYPE_KMALLOC: @@ -2275,7 +2281,8 @@ int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ printk(KERN_ERR "%s: Unsupported memory type: %d\n", __func__, region->memType); - return -EINVAL; + rc = -EINVAL; + goto out; } } @@ -2313,9 +2320,10 @@ int dma_unmap(DMA_MemMap_t *memMap, /* Stores state information about the map */ memMap->numRegionsUsed = 0; memMap->inUse = 0; +out: up(&memMap->lock); - return 0; + return rc; } EXPORT_SYMBOL(dma_unmap); diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c index d15beceb632..df4ab210586 100644 --- a/arch/arm/mach-davinci/board-dm365-evm.c +++ b/arch/arm/mach-davinci/board-dm365-evm.c @@ -22,6 +22,7 @@ #include <linux/leds.h> #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> +#include <linux/slab.h> #include <linux/mtd/nand.h> #include <linux/input.h> #include <linux/spi/spi.h> diff --git a/arch/arm/mach-davinci/dm365.c b/arch/arm/mach-davinci/dm365.c index 27772e18e45..0d6ee583f65 100644 --- a/arch/arm/mach-davinci/dm365.c +++ b/arch/arm/mach-davinci/dm365.c @@ -758,7 +758,6 @@ static u8 dm365_default_priorities[DAVINCI_N_AINTC_IRQ] = { [IRQ_MMCINT] = 7, [IRQ_DM365_MMCINT1] = 7, [IRQ_DM365_PWMINT3] = 7, - [IRQ_DDRINT] = 4, [IRQ_AEMIFINT] = 2, [IRQ_DM365_SDIOINT1] = 2, [IRQ_TINT0_TINT12] = 7, diff --git a/arch/arm/mach-davinci/dma.c b/arch/arm/mach-davinci/dma.c index 15dd886df04..53137387aee 100644 --- a/arch/arm/mach-davinci/dma.c +++ b/arch/arm/mach-davinci/dma.c @@ -23,6 +23,7 @@ #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> #include <mach/edma.h> @@ -1266,7 +1267,8 @@ int edma_start(unsigned channel) /* EDMA channel with event association */ pr_debug("EDMA: ER%d %08x\n", j, edma_shadow0_read_array(ctlr, SH_ER, j)); - /* Clear any pending error */ + /* Clear any pending event or error */ + edma_write_array(ctlr, EDMA_ECR, j, mask); edma_write_array(ctlr, EDMA_EMCR, j, mask); /* Clear any SER */ edma_shadow0_write_array(ctlr, SH_SECR, j, mask); diff --git a/arch/arm/mach-davinci/include/mach/da8xx.h b/arch/arm/mach-davinci/include/mach/da8xx.h index cc9be7fee62..03acfd39042 100644 --- a/arch/arm/mach-davinci/include/mach/da8xx.h +++ b/arch/arm/mach-davinci/include/mach/da8xx.h @@ -3,7 +3,7 @@ * * Author: Mark A. Greer <mgreer@mvista.com> * - * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under + * 2007, 2009-2010 (c) MontaVista Software, Inc. This file is licensed under * the terms of the GNU General Public License version 2. This program * is licensed "as is" without any warranty of any kind, whether express * or implied. @@ -13,7 +13,9 @@ #include <video/da8xx-fb.h> +#include <linux/platform_device.h> #include <linux/davinci_emac.h> + #include <mach/serial.h> #include <mach/edma.h> #include <mach/i2c.h> @@ -144,6 +146,10 @@ extern const short da850_mmcsd0_pins[]; extern const short da850_nand_pins[]; extern const short da850_nor_pins[]; +#ifdef CONFIG_DAVINCI_MUX int da8xx_pinmux_setup(const short pins[]); +#else +static inline int da8xx_pinmux_setup(const short pins[]) { return 0; } +#endif #endif /* __ASM_ARCH_DAVINCI_DA8XX_H */ diff --git a/arch/arm/mach-davinci/time.c b/arch/arm/mach-davinci/time.c index 42d985beece..9e0b106b4f5 100644 --- a/arch/arm/mach-davinci/time.c +++ b/arch/arm/mach-davinci/time.c @@ -253,8 +253,6 @@ static void __init timer_init(void) irq = USING_COMPARE(t) ? dtip[i].cmp_irq : irq; setup_irq(irq, &t->irqaction); } - - timer32_config(&timers[i]); } } @@ -331,6 +329,7 @@ static void __init davinci_timer_init(void) unsigned int clocksource_id; static char err[] __initdata = KERN_ERR "%s: can't register clocksource!\n"; + int i; clockevent_id = soc_info->timer_info->clockevent_id; clocksource_id = soc_info->timer_info->clocksource_id; @@ -389,6 +388,9 @@ static void __init davinci_timer_init(void) clockevent_davinci.cpumask = cpumask_of(0); clockevents_register_device(&clockevent_davinci); + + for (i=0; i< ARRAY_SIZE(timers); i++) + timer32_config(&timers[i]); } struct sys_timer davinci_timer = { diff --git a/arch/arm/mach-ep93xx/gpio.c b/arch/arm/mach-ep93xx/gpio.c index cc377ae8c42..cf547ad7ebd 100644 --- a/arch/arm/mach-ep93xx/gpio.c +++ b/arch/arm/mach-ep93xx/gpio.c @@ -25,7 +25,7 @@ #include <mach/hardware.h> /************************************************************************* - * GPIO handling for EP93xx + * Interrupt handling for EP93xx on-chip GPIOs *************************************************************************/ static unsigned char gpio_int_unmasked[3]; static unsigned char gpio_int_enabled[3]; @@ -40,7 +40,7 @@ static const u8 eoi_register_offset[3] = { 0x98, 0xb4, 0x54 }; static const u8 int_en_register_offset[3] = { 0x9c, 0xb8, 0x58 }; static const u8 int_debounce_register_offset[3] = { 0xa8, 0xc4, 0x64 }; -void ep93xx_gpio_update_int_params(unsigned port) +static void ep93xx_gpio_update_int_params(unsigned port) { BUG_ON(port > 2); @@ -56,7 +56,7 @@ void ep93xx_gpio_update_int_params(unsigned port) EP93XX_GPIO_REG(int_en_register_offset[port])); } -void ep93xx_gpio_int_mask(unsigned line) +static inline void ep93xx_gpio_int_mask(unsigned line) { gpio_int_unmasked[line >> 3] &= ~(1 << (line & 7)); } diff --git a/arch/arm/mach-h720x/common.c b/arch/arm/mach-h720x/common.c index 7a261482821..bdb3f670680 100644 --- a/arch/arm/mach-h720x/common.c +++ b/arch/arm/mach-h720x/common.c @@ -14,7 +14,6 @@ */ #include <linux/sched.h> -#include <linux/slab.h> #include <linux/mman.h> #include <linux/init.h> #include <linux/interrupt.h> diff --git a/arch/arm/mach-integrator/cpu.c b/arch/arm/mach-integrator/cpu.c index 44d4c2e8207..f77f2025504 100644 --- a/arch/arm/mach-integrator/cpu.c +++ b/arch/arm/mach-integrator/cpu.c @@ -13,7 +13,6 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/cpufreq.h> -#include <linux/slab.h> #include <linux/sched.h> #include <linux/smp.h> #include <linux/init.h> diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c index 0058c937719..41b10725cef 100644 --- a/arch/arm/mach-integrator/impd1.c +++ b/arch/arm/mach-integrator/impd1.c @@ -21,6 +21,7 @@ #include <linux/amba/bus.h> #include <linux/amba/clcd.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/clkdev.h> #include <mach/clkdev.h> diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 66ef86d6d9e..15e6cc5a352 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -13,7 +13,6 @@ #include <linux/list.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <linux/slab.h> #include <linux/string.h> #include <linux/sysdev.h> #include <linux/amba/bus.h> @@ -21,6 +20,7 @@ #include <linux/amba/clcd.h> #include <linux/amba/mmci.h> #include <linux/io.h> +#include <linux/gfp.h> #include <asm/clkdev.h> #include <mach/clkdev.h> diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index 148d25fc636..ffbd349363a 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -22,7 +22,6 @@ */ #include <linux/kernel.h> #include <linux/pci.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/spinlock.h> diff --git a/arch/arm/mach-iop13xx/pci.c b/arch/arm/mach-iop13xx/pci.c index 4873f26a42e..6d5a90813d3 100644 --- a/arch/arm/mach-iop13xx/pci.c +++ b/arch/arm/mach-iop13xx/pci.c @@ -18,6 +18,7 @@ */ #include <linux/pci.h> +#include <linux/slab.h> #include <linux/delay.h> #include <linux/jiffies.h> #include <asm/irq.h> diff --git a/arch/arm/mach-iop32x/glantank.c b/arch/arm/mach-iop32x/glantank.c index 93370a46b62..10384fc37cb 100644 --- a/arch/arm/mach-iop32x/glantank.c +++ b/arch/arm/mach-iop32x/glantank.c @@ -19,7 +19,6 @@ #include <linux/pci.h> #include <linux/pm.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> diff --git a/arch/arm/mach-iop32x/iq31244.c b/arch/arm/mach-iop32x/iq31244.c index a7a08dda7f3..d6ac85ff109 100644 --- a/arch/arm/mach-iop32x/iq31244.c +++ b/arch/arm/mach-iop32x/iq31244.c @@ -21,7 +21,6 @@ #include <linux/pci.h> #include <linux/pm.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> diff --git a/arch/arm/mach-iop32x/iq80321.c b/arch/arm/mach-iop32x/iq80321.c index 0200f80c1e1..c6a0e4ee9d9 100644 --- a/arch/arm/mach-iop32x/iq80321.c +++ b/arch/arm/mach-iop32x/iq80321.c @@ -18,7 +18,6 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> diff --git a/arch/arm/mach-iop32x/n2100.c b/arch/arm/mach-iop32x/n2100.c index 2a5c637639b..5d99039286e 100644 --- a/arch/arm/mach-iop32x/n2100.c +++ b/arch/arm/mach-iop32x/n2100.c @@ -23,7 +23,6 @@ #include <linux/pci.h> #include <linux/pm.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> diff --git a/arch/arm/mach-iop33x/iq80331.c b/arch/arm/mach-iop33x/iq80331.c index 394e95a30b7..c6ff5523b38 100644 --- a/arch/arm/mach-iop33x/iq80331.c +++ b/arch/arm/mach-iop33x/iq80331.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> diff --git a/arch/arm/mach-iop33x/iq80332.c b/arch/arm/mach-iop33x/iq80332.c index a40badf126c..fbf55140939 100644 --- a/arch/arm/mach-iop33x/iq80332.c +++ b/arch/arm/mach-iop33x/iq80332.c @@ -17,7 +17,6 @@ #include <linux/kernel.h> #include <linux/pci.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/serial_core.h> #include <linux/serial_8250.h> #include <linux/mtd/physmap.h> diff --git a/arch/arm/mach-ixp2000/enp2611.c b/arch/arm/mach-ixp2000/enp2611.c index c84dfac1388..1a557e0d055 100644 --- a/arch/arm/mach-ixp2000/enp2611.c +++ b/arch/arm/mach-ixp2000/enp2611.c @@ -26,7 +26,6 @@ #include <linux/bitops.h> #include <linux/pci.h> #include <linux/ioport.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/serial.h> #include <linux/tty.h> diff --git a/arch/arm/mach-ixp2000/ixdp2400.c b/arch/arm/mach-ixp2000/ixdp2400.c index 4467c4224d7..55e5c69352a 100644 --- a/arch/arm/mach-ixp2000/ixdp2400.c +++ b/arch/arm/mach-ixp2000/ixdp2400.c @@ -23,7 +23,6 @@ #include <linux/bitops.h> #include <linux/pci.h> #include <linux/ioport.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/io.h> diff --git a/arch/arm/mach-ixp2000/ixdp2800.c b/arch/arm/mach-ixp2000/ixdp2800.c index 94f68ba9ea5..237b61a85e9 100644 --- a/arch/arm/mach-ixp2000/ixdp2800.c +++ b/arch/arm/mach-ixp2000/ixdp2800.c @@ -23,7 +23,6 @@ #include <linux/bitops.h> #include <linux/pci.h> #include <linux/ioport.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/io.h> diff --git a/arch/arm/mach-ixp2000/ixdp2x00.c b/arch/arm/mach-ixp2000/ixdp2x00.c index 30451300751..91fffb9b208 100644 --- a/arch/arm/mach-ixp2000/ixdp2x00.c +++ b/arch/arm/mach-ixp2000/ixdp2x00.c @@ -23,7 +23,6 @@ #include <linux/bitops.h> #include <linux/pci.h> #include <linux/ioport.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/io.h> diff --git a/arch/arm/mach-ixp2000/ixdp2x01.c b/arch/arm/mach-ixp2000/ixdp2x01.c index 4a12327a09a..0369ec4242a 100644 --- a/arch/arm/mach-ixp2000/ixdp2x01.c +++ b/arch/arm/mach-ixp2000/ixdp2x01.c @@ -23,7 +23,6 @@ #include <linux/bitops.h> #include <linux/pci.h> #include <linux/ioport.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/serial.h> #include <linux/tty.h> diff --git a/arch/arm/mach-ixp2000/pci.c b/arch/arm/mach-ixp2000/pci.c index 60e9fd08ab8..90771cad06f 100644 --- a/arch/arm/mach-ixp2000/pci.c +++ b/arch/arm/mach-ixp2000/pci.c @@ -22,7 +22,6 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/ioport.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/io.h> diff --git a/arch/arm/mach-ixp23xx/pci.c b/arch/arm/mach-ixp23xx/pci.c index 59022becb13..4b0e598a91c 100644 --- a/arch/arm/mach-ixp23xx/pci.c +++ b/arch/arm/mach-ixp23xx/pci.c @@ -23,7 +23,6 @@ #include <linux/mm.h> #include <linux/init.h> #include <linux/ioport.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/io.h> diff --git a/arch/arm/mach-ixp4xx/avila-setup.c b/arch/arm/mach-ixp4xx/avila-setup.c index 6e558a76457..d8bc86d76f1 100644 --- a/arch/arm/mach-ixp4xx/avila-setup.c +++ b/arch/arm/mach-ixp4xx/avila-setup.c @@ -17,7 +17,6 @@ #include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_8250.h> -#include <linux/slab.h> #include <linux/i2c-gpio.h> #include <asm/types.h> #include <asm/setup.h> diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c index 25bf5ad770e..31a47f6a893 100644 --- a/arch/arm/mach-ixp4xx/coyote-setup.c +++ b/arch/arm/mach-ixp4xx/coyote-setup.c @@ -14,7 +14,6 @@ #include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_8250.h> -#include <linux/slab.h> #include <asm/types.h> #include <asm/setup.h> diff --git a/arch/arm/mach-ixp4xx/gateway7001-setup.c b/arch/arm/mach-ixp4xx/gateway7001-setup.c index 59b73a0ddfa..2583b2a1317 100644 --- a/arch/arm/mach-ixp4xx/gateway7001-setup.c +++ b/arch/arm/mach-ixp4xx/gateway7001-setup.c @@ -17,7 +17,6 @@ #include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_8250.h> -#include <linux/slab.h> #include <asm/types.h> #include <asm/setup.h> diff --git a/arch/arm/mach-ixp4xx/gtwx5715-setup.c b/arch/arm/mach-ixp4xx/gtwx5715-setup.c index 0bc7185cb6f..c67586b7940 100644 --- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c +++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c @@ -27,7 +27,6 @@ #include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_8250.h> -#include <linux/slab.h> #include <asm/types.h> #include <asm/setup.h> #include <asm/memory.h> diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c index bbb76898884..827cbc4402f 100644 --- a/arch/arm/mach-ixp4xx/ixdp425-setup.c +++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c @@ -14,7 +14,6 @@ #include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_8250.h> -#include <linux/slab.h> #include <linux/i2c-gpio.h> #include <linux/io.h> #include <linux/mtd/mtd.h> diff --git a/arch/arm/mach-ixp4xx/ixp4xx_npe.c b/arch/arm/mach-ixp4xx/ixp4xx_npe.c index e8bb2577816..a17ed79207a 100644 --- a/arch/arm/mach-ixp4xx/ixp4xx_npe.c +++ b/arch/arm/mach-ixp4xx/ixp4xx_npe.c @@ -20,7 +20,6 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/slab.h> #include <mach/npe.h> #define DEBUG_MSG 0 diff --git a/arch/arm/mach-ixp4xx/wg302v2-setup.c b/arch/arm/mach-ixp4xx/wg302v2-setup.c index 7ea782021d1..4dd74863daa 100644 --- a/arch/arm/mach-ixp4xx/wg302v2-setup.c +++ b/arch/arm/mach-ixp4xx/wg302v2-setup.c @@ -18,7 +18,6 @@ #include <linux/serial.h> #include <linux/tty.h> #include <linux/serial_8250.h> -#include <linux/slab.h> #include <asm/types.h> #include <asm/setup.h> diff --git a/arch/arm/mach-kirkwood/pcie.c b/arch/arm/mach-kirkwood/pcie.c index a604b2a701a..dee1eff50d3 100644 --- a/arch/arm/mach-kirkwood/pcie.c +++ b/arch/arm/mach-kirkwood/pcie.c @@ -10,6 +10,7 @@ #include <linux/kernel.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/mbus.h> #include <asm/irq.h> #include <asm/mach/pci.h> diff --git a/arch/arm/mach-lh7a40x/clcd.c b/arch/arm/mach-lh7a40x/clcd.c index c472b9e8b37..7fe4fd347c8 100644 --- a/arch/arm/mach-lh7a40x/clcd.c +++ b/arch/arm/mach-lh7a40x/clcd.c @@ -10,6 +10,7 @@ */ #include <linux/init.h> +#include <linux/gfp.h> #include <linux/device.h> #include <linux/dma-mapping.h> #include <linux/sysdev.h> diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig index 3872af1cf2c..170f68e46dd 100644 --- a/arch/arm/mach-mx3/Kconfig +++ b/arch/arm/mach-mx3/Kconfig @@ -62,6 +62,15 @@ config MACH_MX31_3DS Include support for MX31PDK (3DS) platform. This includes specific configurations for the board and its peripherals. +config MACH_MX31_3DS_MXC_NAND_USE_BBT + bool "Make the MXC NAND driver use the in flash Bad Block Table" + depends on MACH_MX31_3DS + depends on MTD_NAND_MXC + help + Enable this if you want that the MXC NAND driver uses the in flash + Bad Block Table to know what blocks are bad instead of scanning the + entire flash looking for bad block markers. + config MACH_MX31MOBOARD bool "Support mx31moboard platforms (EPFL Mobots group)" select ARCH_MX31 @@ -95,6 +104,7 @@ config MACH_PCM043 config MACH_ARMADILLO5X0 bool "Support Atmark Armadillo-500 Development Base Board" select ARCH_MX31 + select MXC_ULPI if USB_ULPI help Include support for Atmark Armadillo-500 platform. This includes specific configurations for the board and its peripherals. diff --git a/arch/arm/mach-mx3/clock-imx31.c b/arch/arm/mach-mx3/clock-imx31.c index 80dba9966b5..9a9eb6de612 100644 --- a/arch/arm/mach-mx3/clock-imx31.c +++ b/arch/arm/mach-mx3/clock-imx31.c @@ -468,6 +468,7 @@ static struct clk ahb_clk = { } DEFINE_CLOCK(perclk_clk, 0, NULL, 0, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(ckil_clk, 0, NULL, 0, clk_ckil_get_rate, NULL, NULL); DEFINE_CLOCK(sdhc1_clk, 0, MXC_CCM_CGR0, 0, NULL, NULL, &perclk_clk); DEFINE_CLOCK(sdhc2_clk, 1, MXC_CCM_CGR0, 2, NULL, NULL, &perclk_clk); @@ -490,7 +491,7 @@ DEFINE_CLOCK(mpeg4_clk, 0, MXC_CCM_CGR1, 0, NULL, NULL, &ahb_clk); DEFINE_CLOCK(mstick1_clk, 0, MXC_CCM_CGR1, 2, mstick1_get_rate, NULL, &usb_pll_clk); DEFINE_CLOCK(mstick2_clk, 1, MXC_CCM_CGR1, 4, mstick2_get_rate, NULL, &usb_pll_clk); DEFINE_CLOCK1(csi_clk, 0, MXC_CCM_CGR1, 6, csi, NULL, &serial_pll_clk); -DEFINE_CLOCK(rtc_clk, 0, MXC_CCM_CGR1, 8, NULL, NULL, &ipg_clk); +DEFINE_CLOCK(rtc_clk, 0, MXC_CCM_CGR1, 8, NULL, NULL, &ckil_clk); DEFINE_CLOCK(wdog_clk, 0, MXC_CCM_CGR1, 10, NULL, NULL, &ipg_clk); DEFINE_CLOCK(pwm_clk, 0, MXC_CCM_CGR1, 12, NULL, NULL, &perclk_clk); DEFINE_CLOCK(usb_clk2, 0, MXC_CCM_CGR1, 18, usb_get_rate, NULL, &ahb_clk); @@ -514,7 +515,6 @@ DEFINE_CLOCK(usb_clk1, 0, NULL, 0, usb_get_rate, NULL, &usb_pll_clk) DEFINE_CLOCK(nfc_clk, 0, NULL, 0, nfc_get_rate, NULL, &ahb_clk); DEFINE_CLOCK(scc_clk, 0, NULL, 0, NULL, NULL, &ipg_clk); DEFINE_CLOCK(ipg_clk, 0, NULL, 0, ipg_get_rate, NULL, &ahb_clk); -DEFINE_CLOCK(ckil_clk, 0, NULL, 0, clk_ckil_get_rate, NULL, NULL); #define _REGISTER_CLOCK(d, n, c) \ { \ @@ -572,7 +572,6 @@ static struct clk_lookup lookups[] = { _REGISTER_CLOCK(NULL, "iim", iim_clk) _REGISTER_CLOCK(NULL, "mpeg4", mpeg4_clk) _REGISTER_CLOCK(NULL, "mbx", mbx_clk) - _REGISTER_CLOCK("mxc_rtc", NULL, ckil_clk) }; int __init mx31_clocks_init(unsigned long fref) diff --git a/arch/arm/mach-mx3/devices.c b/arch/arm/mach-mx3/devices.c index 6adb586515e..f8911154a9f 100644 --- a/arch/arm/mach-mx3/devices.c +++ b/arch/arm/mach-mx3/devices.c @@ -575,11 +575,26 @@ struct platform_device imx_ssi_device1 = { .resource = imx_ssi_resources1, }; -static int mx3_devices_init(void) +static struct resource imx_wdt_resources[] = { + { + .flags = IORESOURCE_MEM, + }, +}; + +struct platform_device imx_wdt_device0 = { + .name = "imx-wdt", + .id = 0, + .num_resources = ARRAY_SIZE(imx_wdt_resources), + .resource = imx_wdt_resources, +}; + +static int __init mx3_devices_init(void) { if (cpu_is_mx31()) { mxc_nand_resources[0].start = MX31_NFC_BASE_ADDR; mxc_nand_resources[0].end = MX31_NFC_BASE_ADDR + 0xfff; + imx_wdt_resources[0].start = MX31_WDOG_BASE_ADDR; + imx_wdt_resources[0].end = MX31_WDOG_BASE_ADDR + 0x3fff; mxc_register_device(&mxc_rnga_device, NULL); } if (cpu_is_mx35()) { @@ -597,6 +612,8 @@ static int mx3_devices_init(void) imx_ssi_resources0[1].end = MX35_INT_SSI1; imx_ssi_resources1[1].start = MX35_INT_SSI2; imx_ssi_resources1[1].end = MX35_INT_SSI2; + imx_wdt_resources[0].start = MX35_WDOG_BASE_ADDR; + imx_wdt_resources[0].end = MX35_WDOG_BASE_ADDR + 0x3fff; } return 0; diff --git a/arch/arm/mach-mx3/devices.h b/arch/arm/mach-mx3/devices.h index 42cf175eac6..4f77eb50127 100644 --- a/arch/arm/mach-mx3/devices.h +++ b/arch/arm/mach-mx3/devices.h @@ -25,4 +25,5 @@ extern struct platform_device mxc_spi_device1; extern struct platform_device mxc_spi_device2; extern struct platform_device imx_ssi_device0; extern struct platform_device imx_ssi_device1; - +extern struct platform_device imx_ssi_device1; +extern struct platform_device imx_wdt_device0; diff --git a/arch/arm/mach-mx3/mach-armadillo5x0.c b/arch/arm/mach-mx3/mach-armadillo5x0.c index 3d72b0b8970..5f72ec91af2 100644 --- a/arch/arm/mach-mx3/mach-armadillo5x0.c +++ b/arch/arm/mach-mx3/mach-armadillo5x0.c @@ -36,6 +36,9 @@ #include <linux/input.h> #include <linux/gpio_keys.h> #include <linux/i2c.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/delay.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -52,6 +55,8 @@ #include <mach/ipu.h> #include <mach/mx3fb.h> #include <mach/mxc_nand.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> #include "devices.h" #include "crm_regs.h" @@ -103,8 +108,158 @@ static int armadillo5x0_pins[] = { /* I2C2 */ MX31_PIN_CSPI2_MOSI__SCL, MX31_PIN_CSPI2_MISO__SDA, + /* OTG */ + MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, + MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, + MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, + MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, + MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, + MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, + MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, + MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, + MX31_PIN_USBOTG_CLK__USBOTG_CLK, + MX31_PIN_USBOTG_DIR__USBOTG_DIR, + MX31_PIN_USBOTG_NXT__USBOTG_NXT, + MX31_PIN_USBOTG_STP__USBOTG_STP, + /* USB host 2 */ + IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC), }; +/* USB */ +#if defined(CONFIG_USB_ULPI) + +#define OTG_RESET IOMUX_TO_GPIO(MX31_PIN_STXD4) +#define USBH2_RESET IOMUX_TO_GPIO(MX31_PIN_SCK6) +#define USBH2_CS IOMUX_TO_GPIO(MX31_PIN_GPIO1_3) + +#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ + PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) + +static int usbotg_init(struct platform_device *pdev) +{ + int err; + + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG); + + /* Chip already enabled by hardware */ + /* OTG phy reset*/ + err = gpio_request(OTG_RESET, "USB-OTG-RESET"); + if (err) { + pr_err("Failed to request the usb otg reset gpio\n"); + return err; + } + + err = gpio_direction_output(OTG_RESET, 1/*HIGH*/); + if (err) { + pr_err("Failed to reset the usb otg phy\n"); + goto otg_free_reset; + } + + gpio_set_value(OTG_RESET, 0/*LOW*/); + mdelay(5); + gpio_set_value(OTG_RESET, 1/*HIGH*/); + + return 0; + +otg_free_reset: + gpio_free(OTG_RESET); + return err; +} + +static int usbh2_init(struct platform_device *pdev) +{ + int err; + + mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG); + + mxc_iomux_set_gpr(MUX_PGP_UH2, true); + + + /* Enable the chip */ + err = gpio_request(USBH2_CS, "USB-H2-CS"); + if (err) { + pr_err("Failed to request the usb host 2 CS gpio\n"); + return err; + } + + err = gpio_direction_output(USBH2_CS, 0/*Enabled*/); + if (err) { + pr_err("Failed to drive the usb host 2 CS gpio\n"); + goto h2_free_cs; + } + + /* H2 phy reset*/ + err = gpio_request(USBH2_RESET, "USB-H2-RESET"); + if (err) { + pr_err("Failed to request the usb host 2 reset gpio\n"); + goto h2_free_cs; + } + + err = gpio_direction_output(USBH2_RESET, 1/*HIGH*/); + if (err) { + pr_err("Failed to reset the usb host 2 phy\n"); + goto h2_free_reset; + } + + gpio_set_value(USBH2_RESET, 0/*LOW*/); + mdelay(5); + gpio_set_value(USBH2_RESET, 1/*HIGH*/); + + return 0; + +h2_free_reset: + gpio_free(USBH2_RESET); +h2_free_cs: + gpio_free(USBH2_CS); + return err; +} + +static struct mxc_usbh_platform_data usbotg_pdata = { + .init = usbotg_init, + .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, + .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct mxc_usbh_platform_data usbh2_pdata = { + .init = usbh2_init, + .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, + .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_DIFF_UNI, +}; +#endif /* CONFIG_USB_ULPI */ + /* RTC over I2C*/ #define ARMADILLO5X0_RTC_GPIO IOMUX_TO_GPIO(MX31_PIN_SRXD4) @@ -393,6 +548,17 @@ static void __init armadillo5x0_init(void) if (armadillo5x0_i2c_rtc.irq == 0) pr_warning("armadillo5x0_init: failed to get RTC IRQ\n"); i2c_register_board_info(1, &armadillo5x0_i2c_rtc, 1); + + /* USB */ +#if defined(CONFIG_USB_ULPI) + usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_otg_host, &usbotg_pdata); + mxc_register_device(&mxc_usbh2, &usbh2_pdata); +#endif } static void __init armadillo5x0_timer_init(void) diff --git a/arch/arm/mach-mx3/mach-mx31_3ds.c b/arch/arm/mach-mx3/mach-mx31_3ds.c index b88c18ad769..f54af1e29ca 100644 --- a/arch/arm/mach-mx3/mach-mx31_3ds.c +++ b/arch/arm/mach-mx3/mach-mx31_3ds.c @@ -23,6 +23,9 @@ #include <linux/gpio.h> #include <linux/smsc911x.h> #include <linux/platform_device.h> +#include <linux/mfd/mc13783.h> +#include <linux/spi/spi.h> +#include <linux/regulator/machine.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -31,26 +34,96 @@ #include <asm/memory.h> #include <asm/mach/map.h> #include <mach/common.h> -#include <mach/board-mx31pdk.h> +#include <mach/board-mx31_3ds.h> #include <mach/imx-uart.h> #include <mach/iomux-mx3.h> +#include <mach/mxc_nand.h> +#include <mach/spi.h> #include "devices.h" /*! - * @file mx31pdk.c + * @file mx31_3ds.c * * @brief This file contains the board-specific initialization routines. * * @ingroup System */ -static int mx31pdk_pins[] = { +static int mx31_3ds_pins[] = { /* UART1 */ MX31_PIN_CTS1__CTS1, MX31_PIN_RTS1__RTS1, MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, IOMUX_MODE(MX31_PIN_GPIO1_1, IOMUX_CONFIG_GPIO), + /* SPI 1 */ + MX31_PIN_CSPI2_SCLK__SCLK, + MX31_PIN_CSPI2_MOSI__MOSI, + MX31_PIN_CSPI2_MISO__MISO, + MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, + MX31_PIN_CSPI2_SS0__SS0, + MX31_PIN_CSPI2_SS2__SS2, /*CS for MC13783 */ + /* MC13783 IRQ */ + IOMUX_MODE(MX31_PIN_GPIO1_3, IOMUX_CONFIG_GPIO), +}; + +/* Regulators */ +static struct regulator_init_data pwgtx_init = { + .constraints = { + .boot_on = 1, + .always_on = 1, + }, +}; + +static struct mc13783_regulator_init_data mx31_3ds_regulators[] = { + { + .id = MC13783_REGU_PWGT1SPI, /* Power Gate for ARM core. */ + .init_data = &pwgtx_init, + }, { + .id = MC13783_REGU_PWGT2SPI, /* Power Gate for L2 Cache. */ + .init_data = &pwgtx_init, + }, +}; + +/* MC13783 */ +static struct mc13783_platform_data mc13783_pdata __initdata = { + .regulators = mx31_3ds_regulators, + .num_regulators = ARRAY_SIZE(mx31_3ds_regulators), + .flags = MC13783_USE_REGULATOR, +}; + +/* SPI */ +static int spi1_internal_chipselect[] = { + MXC_SPI_CS(0), + MXC_SPI_CS(2), +}; + +static struct spi_imx_master spi1_pdata = { + .chipselect = spi1_internal_chipselect, + .num_chipselect = ARRAY_SIZE(spi1_internal_chipselect), +}; + +static struct spi_board_info mx31_3ds_spi_devs[] __initdata = { + { + .modalias = "mc13783", + .max_speed_hz = 1000000, + .bus_num = 1, + .chip_select = 1, /* SS2 */ + .platform_data = &mc13783_pdata, + .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), + .mode = SPI_CS_HIGH, + }, +}; + +/* + * NAND Flash + */ +static struct mxc_nand_platform_data imx31_3ds_nand_flash_pdata = { + .width = 1, + .hw_ecc = 1, +#ifdef MACH_MX31_3DS_MXC_NAND_USE_BBT + .flash_bbt = 1, +#endif }; static struct imxuart_platform_data uart_pdata = { @@ -95,7 +168,7 @@ static struct platform_device smsc911x_device = { * LEDs, switches, interrupts for Ethernet. */ -static void mx31pdk_expio_irq_handler(uint32_t irq, struct irq_desc *desc) +static void mx31_3ds_expio_irq_handler(uint32_t irq, struct irq_desc *desc) { uint32_t imr_val; uint32_t int_valid; @@ -163,7 +236,7 @@ static struct irq_chip expio_irq_chip = { .unmask = expio_unmask_irq, }; -static int __init mx31pdk_init_expio(void) +static int __init mx31_3ds_init_expio(void) { int i; int ret; @@ -176,7 +249,7 @@ static int __init mx31pdk_init_expio(void) return -ENODEV; } - pr_info("i.MX31PDK Debug board detected, rev = 0x%04X\n", + pr_info("i.MX31 3DS Debug board detected, rev = 0x%04X\n", __raw_readw(CPLD_CODE_VER_REG)); /* @@ -201,7 +274,7 @@ static int __init mx31pdk_init_expio(void) set_irq_flags(i, IRQF_VALID); } set_irq_type(EXPIO_PARENT_INT, IRQ_TYPE_LEVEL_LOW); - set_irq_chained_handler(EXPIO_PARENT_INT, mx31pdk_expio_irq_handler); + set_irq_chained_handler(EXPIO_PARENT_INT, mx31_3ds_expio_irq_handler); return 0; } @@ -209,7 +282,7 @@ static int __init mx31pdk_init_expio(void) /* * This structure defines the MX31 memory map. */ -static struct map_desc mx31pdk_io_desc[] __initdata = { +static struct map_desc mx31_3ds_io_desc[] __initdata = { { .virtual = MX31_CS5_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(MX31_CS5_BASE_ADDR), @@ -221,10 +294,10 @@ static struct map_desc mx31pdk_io_desc[] __initdata = { /* * Set up static virtual mappings. */ -static void __init mx31pdk_map_io(void) +static void __init mx31_3ds_map_io(void) { mx31_map_io(); - iotable_init(mx31pdk_io_desc, ARRAY_SIZE(mx31pdk_io_desc)); + iotable_init(mx31_3ds_io_desc, ARRAY_SIZE(mx31_3ds_io_desc)); } /*! @@ -232,35 +305,40 @@ static void __init mx31pdk_map_io(void) */ static void __init mxc_board_init(void) { - mxc_iomux_setup_multiple_pins(mx31pdk_pins, ARRAY_SIZE(mx31pdk_pins), - "mx31pdk"); + mxc_iomux_setup_multiple_pins(mx31_3ds_pins, ARRAY_SIZE(mx31_3ds_pins), + "mx31_3ds"); mxc_register_device(&mxc_uart_device0, &uart_pdata); + mxc_register_device(&mxc_nand_device, &imx31_3ds_nand_flash_pdata); + + mxc_register_device(&mxc_spi_device1, &spi1_pdata); + spi_register_board_info(mx31_3ds_spi_devs, + ARRAY_SIZE(mx31_3ds_spi_devs)); - if (!mx31pdk_init_expio()) + if (!mx31_3ds_init_expio()) platform_device_register(&smsc911x_device); } -static void __init mx31pdk_timer_init(void) +static void __init mx31_3ds_timer_init(void) { mx31_clocks_init(26000000); } -static struct sys_timer mx31pdk_timer = { - .init = mx31pdk_timer_init, +static struct sys_timer mx31_3ds_timer = { + .init = mx31_3ds_timer_init, }; /* * The following uses standard kernel macros defined in arch.h in order to - * initialize __mach_desc_MX31PDK data structure. + * initialize __mach_desc_MX31_3DS data structure. */ MACHINE_START(MX31_3DS, "Freescale MX31PDK (3DS)") /* Maintainer: Freescale Semiconductor, Inc. */ .phys_io = MX31_AIPS1_BASE_ADDR, .io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc, .boot_params = MX3x_PHYS_OFFSET + 0x100, - .map_io = mx31pdk_map_io, + .map_io = mx31_3ds_map_io, .init_irq = mx31_init_irq, .init_machine = mxc_board_init, - .timer = &mx31pdk_timer, + .timer = &mx31_3ds_timer, MACHINE_END diff --git a/arch/arm/mach-mx3/mach-mx31moboard.c b/arch/arm/mach-mx3/mach-mx31moboard.c index a7dc5191bf5..fccb9207b78 100644 --- a/arch/arm/mach-mx3/mach-mx31moboard.c +++ b/arch/arm/mach-mx3/mach-mx31moboard.c @@ -19,6 +19,7 @@ #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/fsl_devices.h> +#include <linux/gfp.h> #include <linux/gpio.h> #include <linux/init.h> #include <linux/interrupt.h> diff --git a/arch/arm/mach-mx3/mach-pcm037.c b/arch/arm/mach-mx3/mach-pcm037.c index 11f53155916..2df1ec55a97 100644 --- a/arch/arm/mach-mx3/mach-pcm037.c +++ b/arch/arm/mach-mx3/mach-pcm037.c @@ -35,7 +35,7 @@ #include <linux/can/platform/sja1000.h> #include <linux/usb/otg.h> #include <linux/usb/ulpi.h> -#include <linux/fsl_devices.h> +#include <linux/gfp.h> #include <media/soc_camera.h> diff --git a/arch/arm/mach-mx3/mx31lite-db.c b/arch/arm/mach-mx3/mx31lite-db.c index ccd874225c3..093c595ca58 100644 --- a/arch/arm/mach-mx3/mx31lite-db.c +++ b/arch/arm/mach-mx3/mx31lite-db.c @@ -28,7 +28,6 @@ #include <linux/types.h> #include <linux/init.h> #include <linux/gpio.h> -#include <linux/platform_device.h> #include <linux/leds.h> #include <linux/platform_device.h> @@ -206,5 +205,6 @@ void __init mx31lite_db_init(void) mxc_register_device(&mxcsdhc_device0, &mmc_pdata); mxc_register_device(&mxc_spi_device0, &spi0_pdata); platform_device_register(&litekit_led_device); + mxc_register_device(&imx_wdt_device0, NULL); } diff --git a/arch/arm/mach-mx3/mx31moboard-devboard.c b/arch/arm/mach-mx3/mx31moboard-devboard.c index 9fbad2eb3a4..11b906ce7ea 100644 --- a/arch/arm/mach-mx3/mx31moboard-devboard.c +++ b/arch/arm/mach-mx3/mx31moboard-devboard.c @@ -20,6 +20,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/types.h> #include <linux/usb/otg.h> diff --git a/arch/arm/mach-mx3/mx31moboard-marxbot.c b/arch/arm/mach-mx3/mx31moboard-marxbot.c index 3958515d75b..ffb105e14d8 100644 --- a/arch/arm/mach-mx3/mx31moboard-marxbot.c +++ b/arch/arm/mach-mx3/mx31moboard-marxbot.c @@ -22,6 +22,7 @@ #include <linux/interrupt.h> #include <linux/i2c.h> #include <linux/spi/spi.h> +#include <linux/slab.h> #include <linux/platform_device.h> #include <linux/types.h> diff --git a/arch/arm/mach-mx5/clock-mx51.c b/arch/arm/mach-mx5/clock-mx51.c index be90c03101c..8f85f73b83a 100644 --- a/arch/arm/mach-mx5/clock-mx51.c +++ b/arch/arm/mach-mx5/clock-mx51.c @@ -757,7 +757,7 @@ DEFINE_CLOCK(uart3_ipg_clk, 2, MXC_CCM_CCGR1, MXC_CCM_CCGRx_CG7_OFFSET, /* GPT */ DEFINE_CLOCK(gpt_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG9_OFFSET, - NULL, NULL, &ipg_perclk, NULL); + NULL, NULL, &ipg_clk, NULL); DEFINE_CLOCK(gpt_ipg_clk, 0, MXC_CCM_CCGR2, MXC_CCM_CCGRx_CG10_OFFSET, NULL, NULL, &ipg_clk, NULL); diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c index 41c769f08c4..2d37785e385 100644 --- a/arch/arm/mach-mx5/cpu.c +++ b/arch/arm/mach-mx5/cpu.c @@ -14,9 +14,62 @@ #include <linux/types.h> #include <linux/kernel.h> #include <linux/init.h> +#include <linux/module.h> #include <mach/hardware.h> #include <asm/io.h> +static int cpu_silicon_rev = -1; + +#define SI_REV 0x48 + +static void query_silicon_parameter(void) +{ + void __iomem *rom = ioremap(MX51_IROM_BASE_ADDR, MX51_IROM_SIZE); + u32 rev; + + if (!rom) { + cpu_silicon_rev = -EINVAL; + return; + } + + rev = readl(rom + SI_REV); + switch (rev) { + case 0x1: + cpu_silicon_rev = MX51_CHIP_REV_1_0; + break; + case 0x2: + cpu_silicon_rev = MX51_CHIP_REV_1_1; + break; + case 0x10: + cpu_silicon_rev = MX51_CHIP_REV_2_0; + break; + case 0x20: + cpu_silicon_rev = MX51_CHIP_REV_3_0; + break; + default: + cpu_silicon_rev = 0; + } + + iounmap(rom); +} + +/* + * Returns: + * the silicon revision of the cpu + * -EINVAL - not a mx51 + */ +int mx51_revision(void) +{ + if (!cpu_is_mx51()) + return -EINVAL; + + if (cpu_silicon_rev == -1) + query_silicon_parameter(); + + return cpu_silicon_rev; +} +EXPORT_SYMBOL(mx51_revision); + static int __init post_cpu_init(void) { unsigned int reg; diff --git a/arch/arm/mach-mx5/mm.c b/arch/arm/mach-mx5/mm.c index c21e18be7af..b7677ef80cc 100644 --- a/arch/arm/mach-mx5/mm.c +++ b/arch/arm/mach-mx5/mm.c @@ -35,11 +35,6 @@ static struct map_desc mxc_io_desc[] __initdata = { .length = MX51_DEBUG_SIZE, .type = MT_DEVICE }, { - .virtual = MX51_TZIC_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX51_TZIC_BASE_ADDR), - .length = MX51_TZIC_SIZE, - .type = MT_DEVICE - }, { .virtual = MX51_AIPS1_BASE_ADDR_VIRT, .pfn = __phys_to_pfn(MX51_AIPS1_BASE_ADDR), .length = MX51_AIPS1_SIZE, @@ -54,11 +49,6 @@ static struct map_desc mxc_io_desc[] __initdata = { .pfn = __phys_to_pfn(MX51_AIPS2_BASE_ADDR), .length = MX51_AIPS2_SIZE, .type = MT_DEVICE - }, { - .virtual = MX51_NFC_AXI_BASE_ADDR_VIRT, - .pfn = __phys_to_pfn(MX51_NFC_AXI_BASE_ADDR), - .length = MX51_NFC_AXI_SIZE, - .type = MT_DEVICE }, }; @@ -69,14 +59,6 @@ static struct map_desc mxc_io_desc[] __initdata = { */ void __init mx51_map_io(void) { - u32 tzic_addr; - - if (mx51_revision() < MX51_CHIP_REV_2_0) - tzic_addr = 0x8FFFC000; - else - tzic_addr = 0xE0003000; - mxc_io_desc[2].pfn = __phys_to_pfn(tzic_addr); - mxc_set_cpu_type(MXC_CPU_MX51); mxc_iomux_v3_init(MX51_IO_ADDRESS(MX51_IOMUXC_BASE_ADDR)); mxc_arch_reset_init(MX51_IO_ADDRESS(MX51_WDOG_BASE_ADDR)); @@ -85,5 +67,17 @@ void __init mx51_map_io(void) void __init mx51_init_irq(void) { - tzic_init_irq(MX51_IO_ADDRESS(MX51_TZIC_BASE_ADDR)); + unsigned long tzic_addr; + void __iomem *tzic_virt; + + if (mx51_revision() < MX51_CHIP_REV_2_0) + tzic_addr = MX51_TZIC_BASE_ADDR_TO1; + else + tzic_addr = MX51_TZIC_BASE_ADDR; + + tzic_virt = ioremap(tzic_addr, SZ_16K); + if (!tzic_virt) + panic("unable to map TZIC interrupt controller\n"); + + tzic_init_irq(tzic_virt); } diff --git a/arch/arm/mach-netx/fb.c b/arch/arm/mach-netx/fb.c index 1d844e228ea..5b84bcd3027 100644 --- a/arch/arm/mach-netx/fb.c +++ b/arch/arm/mach-netx/fb.c @@ -23,6 +23,7 @@ #include <linux/amba/bus.h> #include <linux/amba/clcd.h> #include <linux/err.h> +#include <linux/gfp.h> #include <asm/irq.h> diff --git a/arch/arm/mach-netx/xc.c b/arch/arm/mach-netx/xc.c index 181a78ba816..f009b54e8d2 100644 --- a/arch/arm/mach-netx/xc.c +++ b/arch/arm/mach-netx/xc.c @@ -21,6 +21,7 @@ #include <linux/device.h> #include <linux/firmware.h> #include <linux/mutex.h> +#include <linux/slab.h> #include <linux/io.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-nomadik/gpio.c b/arch/arm/mach-nomadik/gpio.c index 9a09b2791e0..66b1c91ccc7 100644 --- a/arch/arm/mach-nomadik/gpio.c +++ b/arch/arm/mach-nomadik/gpio.c @@ -19,6 +19,7 @@ #include <linux/spinlock.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/slab.h> #include <mach/hardware.h> #include <mach/gpio.h> diff --git a/arch/arm/mach-ns9xxx/plat-serial8250.c b/arch/arm/mach-ns9xxx/plat-serial8250.c index 795b15e8982..463e92465fd 100644 --- a/arch/arm/mach-ns9xxx/plat-serial8250.c +++ b/arch/arm/mach-ns9xxx/plat-serial8250.c @@ -10,6 +10,7 @@ */ #include <linux/platform_device.h> #include <linux/serial_8250.h> +#include <linux/slab.h> #include <mach/regs-board-a9m9750dev.h> #include <mach/board.h> diff --git a/arch/arm/mach-ns9xxx/processor-ns9360.c b/arch/arm/mach-ns9xxx/processor-ns9360.c index abee8338735..aed1999d24f 100644 --- a/arch/arm/mach-ns9xxx/processor-ns9360.c +++ b/arch/arm/mach-ns9xxx/processor-ns9360.c @@ -10,7 +10,6 @@ */ #include <linux/io.h> #include <linux/kernel.h> -#include <linux/slab.h> #include <asm/page.h> #include <asm/mach/map.h> diff --git a/arch/arm/mach-omap1/mcbsp.c b/arch/arm/mach-omap1/mcbsp.c index f9a5cf750b5..e9bdff192f8 100644 --- a/arch/arm/mach-omap1/mcbsp.c +++ b/arch/arm/mach-omap1/mcbsp.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <mach/irqs.h> #include <plat/dma.h> diff --git a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c index 3b1eac4d539..e60ca4e47bb 100644 --- a/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c +++ b/arch/arm/mach-omap2/clkt2xxx_virt_prcm_set.c @@ -31,6 +31,7 @@ #include <linux/clk.h> #include <linux/io.h> #include <linux/cpufreq.h> +#include <linux/slab.h> #include <plat/clock.h> #include <plat/sram.h> diff --git a/arch/arm/mach-omap2/iommu2.c b/arch/arm/mach-omap2/iommu2.c index 6f4b7cc8f4d..4f63dc6859a 100644 --- a/arch/arm/mach-omap2/iommu2.c +++ b/arch/arm/mach-omap2/iommu2.c @@ -15,6 +15,7 @@ #include <linux/device.h> #include <linux/jiffies.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/stringify.h> #include <plat/iommu.h> diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c index be8fce395a5..2f3cad6f940 100644 --- a/arch/arm/mach-omap2/mcbsp.c +++ b/arch/arm/mach-omap2/mcbsp.c @@ -16,6 +16,7 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <mach/irqs.h> #include <plat/dma.h> diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c index b4ca84ee0a9..8b3d26935a3 100644 --- a/arch/arm/mach-omap2/mux.c +++ b/arch/arm/mach-omap2/mux.c @@ -26,6 +26,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/io.h> +#include <linux/slab.h> #include <linux/spinlock.h> #include <linux/list.h> #include <linux/ctype.h> diff --git a/arch/arm/mach-omap2/pm-debug.c b/arch/arm/mach-omap2/pm-debug.c index c18f7f2f19b..6cac9817c24 100644 --- a/arch/arm/mach-omap2/pm-debug.c +++ b/arch/arm/mach-omap2/pm-debug.c @@ -25,6 +25,7 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/slab.h> #include <plat/clock.h> #include <plat/board.h> diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c index fee2efb172e..ea0000bc535 100644 --- a/arch/arm/mach-omap2/pm34xx.c +++ b/arch/arm/mach-omap2/pm34xx.c @@ -27,6 +27,7 @@ #include <linux/gpio.h> #include <linux/clk.h> #include <linux/delay.h> +#include <linux/slab.h> #include <plat/sram.h> #include <plat/clockdomain.h> diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c index bdf96eb523b..e8706f15a67 100644 --- a/arch/arm/mach-orion5x/pci.c +++ b/arch/arm/mach-orion5x/pci.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/mbus.h> #include <asm/irq.h> #include <asm/mach/pci.h> diff --git a/arch/arm/mach-pnx4008/dma.c b/arch/arm/mach-pnx4008/dma.c index 425f7188505..7fa4bf2e212 100644 --- a/arch/arm/mach-pnx4008/dma.c +++ b/arch/arm/mach-pnx4008/dma.c @@ -22,6 +22,7 @@ #include <linux/dma-mapping.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/gfp.h> #include <asm/system.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-pnx4008/pm.c b/arch/arm/mach-pnx4008/pm.c index 1f0585329be..ee3c29c57ae 100644 --- a/arch/arm/mach-pnx4008/pm.c +++ b/arch/arm/mach-pnx4008/pm.c @@ -19,6 +19,7 @@ #include <linux/delay.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/cacheflush.h> diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c index 1d9bc118ee3..9347254f8bc 100644 --- a/arch/arm/mach-pxa/corgi_ssp.c +++ b/arch/arm/mach-pxa/corgi_ssp.c @@ -13,7 +13,6 @@ #include <linux/init.h> #include <linux/kernel.h> #include <linux/sched.h> -#include <linux/slab.h> #include <linux/delay.h> #include <linux/platform_device.h> #include <mach/hardware.h> diff --git a/arch/arm/mach-pxa/cpufreq-pxa3xx.c b/arch/arm/mach-pxa/cpufreq-pxa3xx.c index 149cdd9aee4..27fa329d9a8 100644 --- a/arch/arm/mach-pxa/cpufreq-pxa3xx.c +++ b/arch/arm/mach-pxa/cpufreq-pxa3xx.c @@ -14,6 +14,7 @@ #include <linux/sched.h> #include <linux/init.h> #include <linux/cpufreq.h> +#include <linux/slab.h> #include <mach/pxa3xx-regs.h> diff --git a/arch/arm/mach-pxa/mioa701.c b/arch/arm/mach-pxa/mioa701.c index 843fcca76e2..7a50ed8fce9 100644 --- a/arch/arm/mach-pxa/mioa701.c +++ b/arch/arm/mach-pxa/mioa701.c @@ -38,6 +38,7 @@ #include <linux/mtd/physmap.h> #include <linux/usb/gpio_vbus.h> #include <linux/regulator/max1586.h> +#include <linux/slab.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c index 7693355ee63..166c15f6291 100644 --- a/arch/arm/mach-pxa/pm.c +++ b/arch/arm/mach-pxa/pm.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/suspend.h> #include <linux/errno.h> +#include <linux/slab.h> #include <mach/pm.h> diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c index 1dd13346f97..9e0c5c3988a 100644 --- a/arch/arm/mach-pxa/viper.c +++ b/arch/arm/mach-pxa/viper.c @@ -27,6 +27,7 @@ #include <linux/delay.h> #include <linux/fs.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/major.h> #include <linux/module.h> diff --git a/arch/arm/mach-realview/core.c b/arch/arm/mach-realview/core.c index 90bd4ef71b2..f2dbce5f3cd 100644 --- a/arch/arm/mach-realview/core.c +++ b/arch/arm/mach-realview/core.c @@ -31,6 +31,7 @@ #include <linux/smsc911x.h> #include <linux/ata_platform.h> #include <linux/amba/mmci.h> +#include <linux/gfp.h> #include <asm/clkdev.h> #include <asm/system.h> diff --git a/arch/arm/mach-rpc/dma.c b/arch/arm/mach-rpc/dma.c index c47d974d52b..85883b2e0e4 100644 --- a/arch/arm/mach-rpc/dma.c +++ b/arch/arm/mach-rpc/dma.c @@ -9,7 +9,6 @@ * * DMA functions specific to RiscPC architecture */ -#include <linux/slab.h> #include <linux/mman.h> #include <linux/init.h> #include <linux/interrupt.h> diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index b62bdf18dca..33ccf7bf766 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -18,6 +18,7 @@ #include <linux/dmapool.h> #include <linux/sysdev.h> #include <linux/errno.h> +#include <linux/slab.h> #include <linux/delay.h> #include <linux/clk.h> #include <linux/err.h> diff --git a/arch/arm/mach-sa1100/jornada720_ssp.c b/arch/arm/mach-sa1100/jornada720_ssp.c index 9b6dee5d16d..9d490c66891 100644 --- a/arch/arm/mach-sa1100/jornada720_ssp.c +++ b/arch/arm/mach-sa1100/jornada720_ssp.c @@ -18,7 +18,6 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/sched.h> -#include <linux/slab.h> #include <mach/hardware.h> #include <mach/jornada720.h> diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c index 0b505d9f22d..c601a75a333 100644 --- a/arch/arm/mach-sa1100/neponset.c +++ b/arch/arm/mach-sa1100/neponset.c @@ -8,7 +8,6 @@ #include <linux/ioport.h> #include <linux/serial_core.h> #include <linux/platform_device.h> -#include <linux/slab.h> #include <mach/hardware.h> #include <asm/mach-types.h> diff --git a/arch/arm/mach-u300/dummyspichip.c b/arch/arm/mach-u300/dummyspichip.c index 962f9de454d..5f55012b7c9 100644 --- a/arch/arm/mach-u300/dummyspichip.c +++ b/arch/arm/mach-u300/dummyspichip.c @@ -15,6 +15,7 @@ #include <linux/mutex.h> #include <linux/spi/spi.h> #include <linux/dma-mapping.h> +#include <linux/slab.h> /* * WARNING! Do not include this pl022-specific controller header * for any generic driver. It is only done in this dummy chip diff --git a/arch/arm/mach-u300/mmc.c b/arch/arm/mach-u300/mmc.c index 109f5a6e71c..77fbb1e0e52 100644 --- a/arch/arm/mach-u300/mmc.c +++ b/arch/arm/mach-u300/mmc.c @@ -20,6 +20,7 @@ #include <linux/regulator/machine.h> #include <linux/gpio.h> #include <linux/amba/mmci.h> +#include <linux/slab.h> #include "mmc.h" #include "padmux.h" diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c index 9ddb49b1cb7..3b1a4ee0181 100644 --- a/arch/arm/mach-versatile/core.c +++ b/arch/arm/mach-versatile/core.c @@ -32,6 +32,7 @@ #include <linux/clockchips.h> #include <linux/cnt32_to_63.h> #include <linux/io.h> +#include <linux/gfp.h> #include <asm/clkdev.h> #include <asm/system.h> diff --git a/arch/arm/mach-versatile/pci.c b/arch/arm/mach-versatile/pci.c index 7161ba23b58..334f0df4e94 100644 --- a/arch/arm/mach-versatile/pci.c +++ b/arch/arm/mach-versatile/pci.c @@ -16,7 +16,6 @@ */ #include <linux/kernel.h> #include <linux/pci.h> -#include <linux/slab.h> #include <linux/ioport.h> #include <linux/interrupt.h> #include <linux/spinlock.h> diff --git a/arch/arm/mach-w90x900/dev.c b/arch/arm/mach-w90x900/dev.c index 48876122df9..e2958eb567f 100644 --- a/arch/arm/mach-w90x900/dev.c +++ b/arch/arm/mach-w90x900/dev.c @@ -18,6 +18,7 @@ #include <linux/timer.h> #include <linux/init.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/mtd/physmap.h> #include <linux/mtd/mtd.h> diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c4ed9f93f64..5bd7c89a604 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -736,6 +736,12 @@ config NEEDS_SYSCALL_FOR_CMPXCHG config OUTER_CACHE bool +config OUTER_CACHE_SYNC + bool + help + The outer cache has a outer_cache_fns.sync function pointer + that can be used to drain the write buffer of the outer cache. + config CACHE_FEROCEON_L2 bool "Enable the Feroceon L2 cache controller" depends on ARCH_KIRKWOOD || ARCH_MV78XX0 @@ -757,6 +763,7 @@ config CACHE_L2X0 REALVIEW_EB_A9MP || ARCH_MX35 || ARCH_MX31 || MACH_REALVIEW_PBX || ARCH_NOMADIK || ARCH_OMAP4 default y select OUTER_CACHE + select OUTER_CACHE_SYNC help This option enables the L2x0 PrimeCell. @@ -781,3 +788,9 @@ config ARM_L1_CACHE_SHIFT int default 6 if ARM_L1_CACHE_SHIFT_6 default 5 + +config ARCH_HAS_BARRIERS + bool + help + This option allows the use of custom mandatory barriers + included via the mach/barriers.h file. diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 07334632d3e..21ad68ba22b 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -93,6 +93,15 @@ static inline void l2x0_flush_line(unsigned long addr) } #endif +static void l2x0_cache_sync(void) +{ + unsigned long flags; + + spin_lock_irqsave(&l2x0_lock, flags); + cache_sync(); + spin_unlock_irqrestore(&l2x0_lock, flags); +} + static inline void l2x0_inv_all(void) { unsigned long flags; @@ -225,6 +234,7 @@ void __init l2x0_init(void __iomem *base, __u32 aux_val, __u32 aux_mask) outer_cache.inv_range = l2x0_inv_range; outer_cache.clean_range = l2x0_clean_range; outer_cache.flush_range = l2x0_flush_range; + outer_cache.sync = l2x0_cache_sync; printk(KERN_INFO "L2X0 cache controller enabled\n"); } diff --git a/arch/arm/mm/copypage-v6.c b/arch/arm/mm/copypage-v6.c index 8bca4dea6df..f55fa1044f7 100644 --- a/arch/arm/mm/copypage-v6.c +++ b/arch/arm/mm/copypage-v6.c @@ -41,14 +41,7 @@ static void v6_copy_user_highpage_nonaliasing(struct page *to, kfrom = kmap_atomic(from, KM_USER0); kto = kmap_atomic(to, KM_USER1); copy_page(kto, kfrom); -#ifdef CONFIG_HIGHMEM - /* - * kmap_atomic() doesn't set the page virtual address, and - * kunmap_atomic() takes care of cache flushing already. - */ - if (page_address(to) != NULL) -#endif - __cpuc_flush_dcache_area(kto, PAGE_SIZE); + __cpuc_flush_dcache_area(kto, PAGE_SIZE); kunmap_atomic(kto, KM_USER1); kunmap_atomic(kfrom, KM_USER0); } diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 0da7eccf774..13fa536d82e 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -11,7 +11,7 @@ */ #include <linux/module.h> #include <linux/mm.h> -#include <linux/slab.h> +#include <linux/gfp.h> #include <linux/errno.h> #include <linux/list.h> #include <linux/init.h> @@ -464,6 +464,11 @@ static void dma_cache_maint_page(struct page *page, unsigned long offset, vaddr += offset; op(vaddr, len, dir); kunmap_high(page); + } else if (cache_is_vipt()) { + pte_t saved_pte; + vaddr = kmap_high_l1_vipt(page, &saved_pte); + op(vaddr + offset, len, dir); + kunmap_high_l1_vipt(page, saved_pte); } } else { vaddr = page_address(page) + offset; diff --git a/arch/arm/mm/fault-armv.c b/arch/arm/mm/fault-armv.c index c9b97e9836a..0d414c28eb2 100644 --- a/arch/arm/mm/fault-armv.c +++ b/arch/arm/mm/fault-armv.c @@ -16,6 +16,7 @@ #include <linux/vmalloc.h> #include <linux/init.h> #include <linux/pagemap.h> +#include <linux/gfp.h> #include <asm/bugs.h> #include <asm/cacheflush.h> diff --git a/arch/arm/mm/flush.c b/arch/arm/mm/flush.c index e34f095e209..c6844cb9b50 100644 --- a/arch/arm/mm/flush.c +++ b/arch/arm/mm/flush.c @@ -13,6 +13,7 @@ #include <asm/cacheflush.h> #include <asm/cachetype.h> +#include <asm/highmem.h> #include <asm/smp_plat.h> #include <asm/system.h> #include <asm/tlbflush.h> @@ -152,21 +153,25 @@ void copy_to_user_page(struct vm_area_struct *vma, struct page *page, void __flush_dcache_page(struct address_space *mapping, struct page *page) { - void *addr = page_address(page); - /* * Writeback any data associated with the kernel mapping of this * page. This ensures that data in the physical page is mutually * coherent with the kernels mapping. */ -#ifdef CONFIG_HIGHMEM - /* - * kmap_atomic() doesn't set the page virtual address, and - * kunmap_atomic() takes care of cache flushing already. - */ - if (addr) -#endif - __cpuc_flush_dcache_area(addr, PAGE_SIZE); + if (!PageHighMem(page)) { + __cpuc_flush_dcache_area(page_address(page), PAGE_SIZE); + } else { + void *addr = kmap_high_get(page); + if (addr) { + __cpuc_flush_dcache_area(addr, PAGE_SIZE); + kunmap_high(page); + } else if (cache_is_vipt()) { + pte_t saved_pte; + addr = kmap_high_l1_vipt(page, &saved_pte); + __cpuc_flush_dcache_area(addr, PAGE_SIZE); + kunmap_high_l1_vipt(page, saved_pte); + } + } /* * If this is a page cache page, and we have an aliasing VIPT cache, diff --git a/arch/arm/mm/highmem.c b/arch/arm/mm/highmem.c index 2be1ec7c1b4..77b030f5ec0 100644 --- a/arch/arm/mm/highmem.c +++ b/arch/arm/mm/highmem.c @@ -79,7 +79,8 @@ void kunmap_atomic(void *kvaddr, enum km_type type) unsigned int idx = type + KM_TYPE_NR * smp_processor_id(); if (kvaddr >= (void *)FIXADDR_START) { - __cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE); + if (cache_is_vivt()) + __cpuc_flush_dcache_area((void *)vaddr, PAGE_SIZE); #ifdef CONFIG_DEBUG_HIGHMEM BUG_ON(vaddr != __fix_to_virt(FIX_KMAP_BEGIN + idx)); set_pte_ext(TOP_PTE(vaddr), __pte(0), 0); @@ -124,3 +125,87 @@ struct page *kmap_atomic_to_page(const void *ptr) pte = TOP_PTE(vaddr); return pte_page(*pte); } + +#ifdef CONFIG_CPU_CACHE_VIPT + +#include <linux/percpu.h> + +/* + * The VIVT cache of a highmem page is always flushed before the page + * is unmapped. Hence unmapped highmem pages need no cache maintenance + * in that case. + * + * However unmapped pages may still be cached with a VIPT cache, and + * it is not possible to perform cache maintenance on them using physical + * addresses unfortunately. So we have no choice but to set up a temporary + * virtual mapping for that purpose. + * + * Yet this VIPT cache maintenance may be triggered from DMA support + * functions which are possibly called from interrupt context. As we don't + * want to keep interrupt disabled all the time when such maintenance is + * taking place, we therefore allow for some reentrancy by preserving and + * restoring the previous fixmap entry before the interrupted context is + * resumed. If the reentrancy depth is 0 then there is no need to restore + * the previous fixmap, and leaving the current one in place allow it to + * be reused the next time without a TLB flush (common with DMA). + */ + +static DEFINE_PER_CPU(int, kmap_high_l1_vipt_depth); + +void *kmap_high_l1_vipt(struct page *page, pte_t *saved_pte) +{ + unsigned int idx, cpu = smp_processor_id(); + int *depth = &per_cpu(kmap_high_l1_vipt_depth, cpu); + unsigned long vaddr, flags; + pte_t pte, *ptep; + + idx = KM_L1_CACHE + KM_TYPE_NR * cpu; + vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); + ptep = TOP_PTE(vaddr); + pte = mk_pte(page, kmap_prot); + + if (!in_interrupt()) + preempt_disable(); + + raw_local_irq_save(flags); + (*depth)++; + if (pte_val(*ptep) == pte_val(pte)) { + *saved_pte = pte; + } else { + *saved_pte = *ptep; + set_pte_ext(ptep, pte, 0); + local_flush_tlb_kernel_page(vaddr); + } + raw_local_irq_restore(flags); + + return (void *)vaddr; +} + +void kunmap_high_l1_vipt(struct page *page, pte_t saved_pte) +{ + unsigned int idx, cpu = smp_processor_id(); + int *depth = &per_cpu(kmap_high_l1_vipt_depth, cpu); + unsigned long vaddr, flags; + pte_t pte, *ptep; + + idx = KM_L1_CACHE + KM_TYPE_NR * cpu; + vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); + ptep = TOP_PTE(vaddr); + pte = mk_pte(page, kmap_prot); + + BUG_ON(pte_val(*ptep) != pte_val(pte)); + BUG_ON(*depth <= 0); + + raw_local_irq_save(flags); + (*depth)--; + if (*depth != 0 && pte_val(pte) != pte_val(saved_pte)) { + set_pte_ext(ptep, saved_pte, 0); + local_flush_tlb_kernel_page(vaddr); + } + raw_local_irq_restore(flags); + + if (!in_interrupt()) + preempt_enable(); +} + +#endif /* CONFIG_CPU_CACHE_VIPT */ diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c index 7829cb5425f..83db12a68d5 100644 --- a/arch/arm/mm/init.c +++ b/arch/arm/mm/init.c @@ -17,6 +17,7 @@ #include <linux/initrd.h> #include <linux/sort.h> #include <linux/highmem.h> +#include <linux/gfp.h> #include <asm/mach-types.h> #include <asm/sections.h> diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index 9d4da6ac28e..241c24a1c18 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -420,6 +420,10 @@ static void __init build_mem_type_table(void) user_pgprot |= L_PTE_SHARED; kern_pgprot |= L_PTE_SHARED; vecs_pgprot |= L_PTE_SHARED; + mem_types[MT_DEVICE_WC].prot_sect |= PMD_SECT_S; + mem_types[MT_DEVICE_WC].prot_pte |= L_PTE_SHARED; + mem_types[MT_DEVICE_CACHED].prot_sect |= PMD_SECT_S; + mem_types[MT_DEVICE_CACHED].prot_pte |= L_PTE_SHARED; mem_types[MT_MEMORY].prot_sect |= PMD_SECT_S; mem_types[MT_MEMORY_NONCACHED].prot_sect |= PMD_SECT_S; #endif @@ -1050,10 +1054,12 @@ void setup_mm_for_reboot(char mode) pgd_t *pgd; int i; - if (current->mm && current->mm->pgd) - pgd = current->mm->pgd; - else - pgd = init_mm.pgd; + /* + * We need to access to user-mode page tables here. For kernel threads + * we don't have any user-mode mappings so we use the context that we + * "borrowed". + */ + pgd = current->active_mm->pgd; base_pmdval = PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT; if (cpu_architecture() <= CPU_ARCH_ARMv5TEJ && !cpu_is_xscale()) diff --git a/arch/arm/mm/pgd.c b/arch/arm/mm/pgd.c index 2690146161b..be5f58e153b 100644 --- a/arch/arm/mm/pgd.c +++ b/arch/arm/mm/pgd.c @@ -8,6 +8,7 @@ * published by the Free Software Foundation. */ #include <linux/mm.h> +#include <linux/gfp.h> #include <linux/highmem.h> #include <asm/pgalloc.h> diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c index d983cd6c788..0c2cc5cd4d8 100644 --- a/arch/arm/plat-mxc/audmux-v2.c +++ b/arch/arm/plat-mxc/audmux-v2.c @@ -24,6 +24,7 @@ #include <linux/io.h> #include <linux/clk.h> #include <linux/debugfs.h> +#include <linux/slab.h> #include <mach/audmux.h> #include <mach/hardware.h> diff --git a/arch/arm/plat-mxc/include/mach/board-mx31pdk.h b/arch/arm/plat-mxc/include/mach/board-mx31_3ds.h index 2bbd6ed17f5..da92933a233 100644 --- a/arch/arm/plat-mxc/include/mach/board-mx31pdk.h +++ b/arch/arm/plat-mxc/include/mach/board-mx31_3ds.h @@ -8,8 +8,8 @@ * published by the Free Software Foundation. */ -#ifndef __ASM_ARCH_MXC_BOARD_MX31PDK_H__ -#define __ASM_ARCH_MXC_BOARD_MX31PDK_H__ +#ifndef __ASM_ARCH_MXC_BOARD_MX31_3DS_H__ +#define __ASM_ARCH_MXC_BOARD_MX31_3DS_H__ /* Definitions for components on the Debug board */ @@ -56,4 +56,4 @@ #define MXC_MAX_EXP_IO_LINES 16 -#endif /* __ASM_ARCH_MXC_BOARD_MX31PDK_H__ */ +#endif /* __ASM_ARCH_MXC_BOARD_MX31_3DS_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/mx51.h b/arch/arm/plat-mxc/include/mach/mx51.h index 771532b6b4a..5aad344d565 100644 --- a/arch/arm/plat-mxc/include/mach/mx51.h +++ b/arch/arm/plat-mxc/include/mach/mx51.h @@ -14,7 +14,7 @@ * FB100000 70000000 1M SPBA 0 * FB000000 73F00000 1M AIPS 1 * FB200000 83F00000 1M AIPS 2 - * FA100000 8FFFC000 16K TZIC (interrupt controller) + * 8FFFC000 16K TZIC (interrupt controller) * 90000000 256M CSD0 SDRAM/DDR * A0000000 256M CSD1 SDRAM/DDR * B0000000 128M CS0 Flash @@ -23,11 +23,17 @@ * C8000000 64M CS3 Flash * CC000000 32M CS4 SRAM * CE000000 32M CS5 SRAM - * F9000000 CFFF0000 64K NFC (NAND Flash AXI) + * CFFF0000 64K NFC (NAND Flash AXI) * */ /* + * IROM + */ +#define MX51_IROM_BASE_ADDR 0x0 +#define MX51_IROM_SIZE SZ_64K + +/* * IRAM */ #define MX51_IRAM_BASE_ADDR 0x1FFE0000 /* internal ram */ @@ -40,7 +46,6 @@ * NFC */ #define MX51_NFC_AXI_BASE_ADDR 0xCFFF0000 /* NAND flash AXI */ -#define MX51_NFC_AXI_BASE_ADDR_VIRT 0xF9000000 #define MX51_NFC_AXI_SIZE SZ_64K /* @@ -49,9 +54,8 @@ #define MX51_GPU_BASE_ADDR 0x20000000 #define MX51_GPU2D_BASE_ADDR 0xD0000000 -#define MX51_TZIC_BASE_ADDR 0x8FFFC000 -#define MX51_TZIC_BASE_ADDR_VIRT 0xFA100000 -#define MX51_TZIC_SIZE SZ_16K +#define MX51_TZIC_BASE_ADDR_TO1 0x8FFFC000 +#define MX51_TZIC_BASE_ADDR 0xE0000000 #define MX51_DEBUG_BASE_ADDR 0x60000000 #define MX51_DEBUG_BASE_ADDR_VIRT 0xFA200000 @@ -232,12 +236,10 @@ #define MX51_IO_ADDRESS(x) \ (void __iomem *) \ (MX51_IS_MODULE(x, IRAM) ? MX51_IRAM_IO_ADDRESS(x) : \ - MX51_IS_MODULE(x, TZIC) ? MX51_TZIC_IO_ADDRESS(x) : \ MX51_IS_MODULE(x, DEBUG) ? MX51_DEBUG_IO_ADDRESS(x) : \ MX51_IS_MODULE(x, SPBA0) ? MX51_SPBA0_IO_ADDRESS(x) : \ MX51_IS_MODULE(x, AIPS1) ? MX51_AIPS1_IO_ADDRESS(x) : \ - MX51_IS_MODULE(x, AIPS2) ? MX51_AIPS2_IO_ADDRESS(x) : \ - MX51_IS_MODULE(x, NFC_AXI) ? MX51_NFC_AXI_IO_ADDRESS(x) : \ + MX51_IS_MODULE(x, AIPS2) ? MX51_AIPS2_IO_ADDRESS(x) : \ 0xDEADBEEF) /* @@ -246,9 +248,6 @@ #define MX51_IRAM_IO_ADDRESS(x) \ (((x) - MX51_IRAM_BASE_ADDR) + MX51_IRAM_BASE_ADDR_VIRT) -#define MX51_TZIC_IO_ADDRESS(x) \ - (((x) - MX51_TZIC_BASE_ADDR) + MX51_TZIC_BASE_ADDR_VIRT) - #define MX51_DEBUG_IO_ADDRESS(x) \ (((x) - MX51_DEBUG_BASE_ADDR) + MX51_DEBUG_BASE_ADDR_VIRT) @@ -261,9 +260,6 @@ #define MX51_AIPS2_IO_ADDRESS(x) \ (((x) - MX51_AIPS2_BASE_ADDR) + MX51_AIPS2_BASE_ADDR_VIRT) -#define MX51_NFC_AXI_IO_ADDRESS(x) \ - (((x) - MX51_NFC_AXI_BASE_ADDR) + MX51_NFC_AXI_BASE_ADDR_VIRT) - #define MX51_IS_MEM_DEVICE_NONSHARED(x) 0 /* @@ -443,12 +439,7 @@ #if !defined(__ASSEMBLY__) && !defined(__MXC_BOOT_UNCOMPRESS) -extern unsigned int system_rev; - -static inline unsigned int mx51_revision(void) -{ - return system_rev; -} +extern int mx51_revision(void); #endif #endif /* __ASM_ARCH_MXC_MX51_H__ */ diff --git a/arch/arm/plat-mxc/include/mach/uncompress.h b/arch/arm/plat-mxc/include/mach/uncompress.h index 52e476a150c..b6d3d0fddc4 100644 --- a/arch/arm/plat-mxc/include/mach/uncompress.h +++ b/arch/arm/plat-mxc/include/mach/uncompress.h @@ -66,6 +66,7 @@ static inline void flush(void) #define MX2X_UART1_BASE_ADDR 0x1000a000 #define MX3X_UART1_BASE_ADDR 0x43F90000 #define MX3X_UART2_BASE_ADDR 0x43F94000 +#define MX51_UART1_BASE_ADDR 0x73fbc000 static __inline__ void __arch_decomp_setup(unsigned long arch_id) { @@ -101,6 +102,9 @@ static __inline__ void __arch_decomp_setup(unsigned long arch_id) case MACH_TYPE_MAGX_ZN5: uart_base = MX3X_UART2_BASE_ADDR; break; + case MACH_TYPE_MX51_BABBAGE: + uart_base = MX51_UART1_BASE_ADDR; + break; default: break; } diff --git a/arch/arm/plat-mxc/pwm.c b/arch/arm/plat-mxc/pwm.c index 4ff6dfe0428..c36f2630ed9 100644 --- a/arch/arm/plat-mxc/pwm.c +++ b/arch/arm/plat-mxc/pwm.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index 4a4cd8774aa..95677d17cd1 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -14,6 +14,7 @@ #include <linux/init.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> #include <mach/hardware.h> #include <asm/mach-types.h> diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c index f6c9bdc95bc..1d959965ff5 100644 --- a/arch/arm/plat-omap/dma.c +++ b/arch/arm/plat-omap/dma.c @@ -29,6 +29,7 @@ #include <linux/interrupt.h> #include <linux/irq.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/system.h> #include <mach/hardware.h> diff --git a/arch/arm/plat-omap/iommu-debug.c b/arch/arm/plat-omap/iommu-debug.c index afd1c27cff7..e6c0d536899 100644 --- a/arch/arm/plat-omap/iommu-debug.c +++ b/arch/arm/plat-omap/iommu-debug.c @@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> +#include <linux/slab.h> #include <linux/uaccess.h> #include <linux/platform_device.h> #include <linux/debugfs.h> diff --git a/arch/arm/plat-omap/iommu.c b/arch/arm/plat-omap/iommu.c index 905ed832df5..0e137663349 100644 --- a/arch/arm/plat-omap/iommu.c +++ b/arch/arm/plat-omap/iommu.c @@ -13,6 +13,7 @@ #include <linux/err.h> #include <linux/module.h> +#include <linux/slab.h> #include <linux/interrupt.h> #include <linux/ioport.h> #include <linux/clk.h> diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c index 936aef1971c..65c6d1ff723 100644 --- a/arch/arm/plat-omap/iovmm.c +++ b/arch/arm/plat-omap/iovmm.c @@ -11,6 +11,7 @@ */ #include <linux/err.h> +#include <linux/slab.h> #include <linux/vmalloc.h> #include <linux/device.h> #include <linux/scatterlist.h> diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c index 4229cec5314..08a2df76628 100644 --- a/arch/arm/plat-omap/mailbox.c +++ b/arch/arm/plat-omap/mailbox.c @@ -25,6 +25,7 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <linux/delay.h> +#include <linux/slab.h> #include <plat/mailbox.h> diff --git a/arch/arm/plat-omap/mcbsp.c b/arch/arm/plat-omap/mcbsp.c index 52dfcc81511..e1d0440fd4a 100644 --- a/arch/arm/plat-omap/mcbsp.c +++ b/arch/arm/plat-omap/mcbsp.c @@ -23,6 +23,7 @@ #include <linux/clk.h> #include <linux/delay.h> #include <linux/io.h> +#include <linux/slab.h> #include <plat/dma.h> #include <plat/mcbsp.h> diff --git a/arch/arm/plat-omap/omap_device.c b/arch/arm/plat-omap/omap_device.c index 59043589484..0f519747951 100644 --- a/arch/arm/plat-omap/omap_device.c +++ b/arch/arm/plat-omap/omap_device.c @@ -79,6 +79,7 @@ #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/err.h> #include <linux/io.h> diff --git a/arch/arm/plat-pxa/dma.c b/arch/arm/plat-pxa/dma.c index 2975798d411..742350e0f2a 100644 --- a/arch/arm/plat-pxa/dma.c +++ b/arch/arm/plat-pxa/dma.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/init.h> +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/errno.h> diff --git a/arch/arm/plat-pxa/pwm.c b/arch/arm/plat-pxa/pwm.c index 51dc5c8106c..0732c6c8d51 100644 --- a/arch/arm/plat-pxa/pwm.c +++ b/arch/arm/plat-pxa/pwm.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> diff --git a/arch/arm/plat-s3c24xx/cpu-freq.c b/arch/arm/plat-s3c24xx/cpu-freq.c index 2d42efb9f4e..1ecc15bfe9d 100644 --- a/arch/arm/plat-s3c24xx/cpu-freq.c +++ b/arch/arm/plat-s3c24xx/cpu-freq.c @@ -23,6 +23,7 @@ #include <linux/sysdev.h> #include <linux/kobject.h> #include <linux/sysfs.h> +#include <linux/slab.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c index 8c6de1c9968..9265f09bfa5 100644 --- a/arch/arm/plat-s3c24xx/devs.c +++ b/arch/arm/plat-s3c24xx/devs.c @@ -20,6 +20,7 @@ #include <linux/serial_core.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/slab.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> diff --git a/arch/arm/plat-s3c24xx/s3c2410-iotiming.c b/arch/arm/plat-s3c24xx/s3c2410-iotiming.c index 963fb0b4379..b1908e56da1 100644 --- a/arch/arm/plat-s3c24xx/s3c2410-iotiming.c +++ b/arch/arm/plat-s3c24xx/s3c2410-iotiming.c @@ -17,6 +17,7 @@ #include <linux/cpufreq.h> #include <linux/seq_file.h> #include <linux/io.h> +#include <linux/slab.h> #include <mach/map.h> #include <mach/regs-mem.h> diff --git a/arch/arm/plat-s3c24xx/s3c2412-iotiming.c b/arch/arm/plat-s3c24xx/s3c2412-iotiming.c index 24993dce10b..0b46d3895d6 100644 --- a/arch/arm/plat-s3c24xx/s3c2412-iotiming.c +++ b/arch/arm/plat-s3c24xx/s3c2412-iotiming.c @@ -21,6 +21,7 @@ #include <linux/delay.h> #include <linux/clk.h> #include <linux/err.h> +#include <linux/slab.h> #include <linux/amba/pl093.h> diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c index 0b5833b9ac5..210030d5cfe 100644 --- a/arch/arm/plat-samsung/adc.c +++ b/arch/arm/plat-samsung/adc.c @@ -16,6 +16,7 @@ #include <linux/platform_device.h> #include <linux/sched.h> #include <linux/list.h> +#include <linux/slab.h> #include <linux/err.h> #include <linux/clk.h> #include <linux/interrupt.h> diff --git a/arch/arm/plat-samsung/dev-fb.c b/arch/arm/plat-samsung/dev-fb.c index a90198fc4b0..002a15f313f 100644 --- a/arch/arm/plat-samsung/dev-fb.c +++ b/arch/arm/plat-samsung/dev-fb.c @@ -15,6 +15,7 @@ #include <linux/string.h> #include <linux/platform_device.h> #include <linux/fb.h> +#include <linux/gfp.h> #include <mach/irqs.h> #include <mach/map.h> diff --git a/arch/arm/plat-samsung/dev-i2c0.c b/arch/arm/plat-samsung/dev-i2c0.c index 4c761529b94..3a601c16f03 100644 --- a/arch/arm/plat-samsung/dev-i2c0.c +++ b/arch/arm/plat-samsung/dev-i2c0.c @@ -11,6 +11,7 @@ * published by the Free Software Foundation. */ +#include <linux/gfp.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/platform_device.h> diff --git a/arch/arm/plat-samsung/dev-i2c1.c b/arch/arm/plat-samsung/dev-i2c1.c index d44f7911050..858ee2a0414 100644 --- a/arch/arm/plat-samsung/dev-i2c1.c +++ b/arch/arm/plat-samsung/dev-i2c1.c @@ -11,6 +11,7 @@ * published by the Free Software Foundation. */ +#include <linux/gfp.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/platform_device.h> diff --git a/arch/arm/plat-samsung/dev-nand.c b/arch/arm/plat-samsung/dev-nand.c index a52fb6cf618..3a7b8891ba4 100644 --- a/arch/arm/plat-samsung/dev-nand.c +++ b/arch/arm/plat-samsung/dev-nand.c @@ -6,6 +6,7 @@ * published by the Free Software Foundation. */ +#include <linux/gfp.h> #include <linux/kernel.h> #include <linux/platform_device.h> diff --git a/arch/arm/plat-samsung/dev-usb.c b/arch/arm/plat-samsung/dev-usb.c index 88165657fa5..0e0a3bf5c98 100644 --- a/arch/arm/plat-samsung/dev-usb.c +++ b/arch/arm/plat-samsung/dev-usb.c @@ -11,6 +11,7 @@ * published by the Free Software Foundation. */ +#include <linux/gfp.h> #include <linux/kernel.h> #include <linux/string.h> #include <linux/platform_device.h> diff --git a/arch/arm/plat-samsung/pm-check.c b/arch/arm/plat-samsung/pm-check.c index 0b5bb774192..e4baf76f374 100644 --- a/arch/arm/plat-samsung/pm-check.c +++ b/arch/arm/plat-samsung/pm-check.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/crc32.h> #include <linux/ioport.h> +#include <linux/slab.h> #include <plat/pm.h> diff --git a/arch/arm/plat-samsung/pwm.c b/arch/arm/plat-samsung/pwm.c index f2d11390d01..2eeb49fa056 100644 --- a/arch/arm/plat-samsung/pwm.c +++ b/arch/arm/plat-samsung/pwm.c @@ -14,6 +14,7 @@ #include <linux/module.h> #include <linux/kernel.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <linux/err.h> #include <linux/clk.h> #include <linux/io.h> diff --git a/arch/arm/plat-stmp3xxx/dma.c b/arch/arm/plat-stmp3xxx/dma.c index ef88f25fb87..b4dcf8c0477 100644 --- a/arch/arm/plat-stmp3xxx/dma.c +++ b/arch/arm/plat-stmp3xxx/dma.c @@ -15,6 +15,7 @@ * http://www.opensource.org/licenses/gpl-license.html * http://www.gnu.org/copyleft/gpl.html */ +#include <linux/gfp.h> #include <linux/kernel.h> #include <linux/device.h> #include <linux/dmapool.h> diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c index 7f3f59fcaa2..315a540c7ce 100644 --- a/arch/arm/vfp/vfpmodule.c +++ b/arch/arm/vfp/vfpmodule.c @@ -428,26 +428,6 @@ static void vfp_pm_init(void) static inline void vfp_pm_init(void) { } #endif /* CONFIG_PM */ -/* - * Synchronise the hardware VFP state of a thread other than current with the - * saved one. This function is used by the ptrace mechanism. - */ -#ifdef CONFIG_SMP -void vfp_sync_hwstate(struct thread_info *thread) -{ -} - -void vfp_flush_hwstate(struct thread_info *thread) -{ - /* - * On SMP systems, the VFP state is automatically saved at every - * context switch. We mark the thread VFP state as belonging to a - * non-existent CPU so that the saved one will be reloaded when - * needed. - */ - thread->vfpstate.hard.cpu = NR_CPUS; -} -#else void vfp_sync_hwstate(struct thread_info *thread) { unsigned int cpu = get_cpu(); @@ -490,9 +470,18 @@ void vfp_flush_hwstate(struct thread_info *thread) last_VFP_context[cpu] = NULL; } +#ifdef CONFIG_SMP + /* + * For SMP we still have to take care of the case where the thread + * migrates to another CPU and then back to the original CPU on which + * the last VFP user is still the same thread. Mark the thread VFP + * state as belonging to a non-existent CPU so that the saved one will + * be reloaded in the above case. + */ + thread->vfpstate.hard.cpu = NR_CPUS; +#endif put_cpu(); } -#endif #include <linux/smp.h> @@ -545,7 +534,7 @@ static int __init vfp_init(void) */ elf_hwcap |= HWCAP_VFP; #ifdef CONFIG_VFPv3 - if (VFP_arch >= 3) { + if (VFP_arch >= 2) { elf_hwcap |= HWCAP_VFPv3; /* |