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2008-08-29sparc32: Implement more generic dma_*() interfaces.David S. Miller
These dispatch to either PCI or SBUS routines based upon the device bus type. This will allow us to let SBUS drivers call these routines. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-29sparc32: Make mmu_{get,release}_*() take a struct device pointer.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-29sparc: Make SBUS DMA interfaces take struct device.David S. Miller
This is the first step in converting all the SBUS drivers over to generic dma_*(). Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-29sparc: Propagate SBUS iommu archdata into real of_device objects.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-29sparc32: Make IOMMU and IO-UNIT init work with device nodes.David S. Miller
And stick the iommu archdata pointer into the generic OF device tree of_device struct as well. We still have to pass the sbus_bus object down into the routines so that the SBUS bus objects get the iommu cookies set properly. After drivers get converted to being pure OF drivers, that can go away. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-29sparc: Kill SBUS DVMA layer.David S. Miller
This thing was completely pointless. Just find the OF device in the parent of drivers that want to program this device, and map the DMA regs inside such drivers too. This also moves the dummy claim_dma_lock() and release_dma_lock() implementation to floppy_32.h, which makes it handle this issue just like floppy_64.h does. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-29sparc: Kill videopix SBUS driver.David S. Miller
This has been marked BROKEN for a long time and it's more likely to get rewritten from scratch than to be fixed up and made usable. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-29sparc: Delete bare sbus char bpp driver, obsoleted by parport_sunbppDavid S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-25sparc64: Fix irq_of_parse_and_map() and irq_dispose_mapping().David S. Miller
Stephen Rothwell noticed that I committed an earlier version of the patch that didn't have two things fixed: 1) irq_of_parse_and_map() should return "unsigned int" not "int" and it should return zero for "no irq" 2) irq_dispose_mapping() should be an inline function, not a macro, for type checking With feedback and suggestions from Anton Vorontsov. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-25sparc64: Use the cond_syscall()s in kernel/sys_ni.c instead of home-grown copy.David S. Miller
This also allows arch/sparc64/kernel/pci.c to be properly CONFIG_PCI conditional compiled in the Makefile. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-25sparc64: Add JBUS UltraSPARC-IIIi support to memory controller driver.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc64: Allow chmc to be built as a module.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc64: Add generic interface for registering a dimm printing handler.David S. Miller
The way to do this varies by platform type and the exact memory controller the cpu uses. For Spitfire cpus we currently just use prom_getunumber() and hope that works. For Cheetah cpus we have a memory controller driver that can compute this information. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc64: Use consistent chmc_ prefix in variables, types, and functions.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc64: Convert UltraSPARC-III memory controller driver to OF driver probing.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24hwmon: Add Ultra45 workstation hwmon driver.David S. Miller
This is a PIC16F747 based controller that monitors and consolidates the hardware access to various fan and temperature values reported by adr7462 and similar devices behind an I2C bus. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc64: Kill duplicated sys_pause() implementation.David S. Miller
sys32_pause() is identical to the generically provided sys_pause() in kernel/signal.c Noticed by Christoph Hellwig. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc64: Split syscall_trace() into two functions.David S. Miller
Christoph Hellwig noticed that having both entry and exit logic in one function no longer makes sense, and having seperate ones simplifies things a lot. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc: Add GPIO layer support.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc: Implement irq_of_parse_and_map() and irq_dispose_mapping().David S. Miller
This allows more OF layer code to be shared between powerpc and sparc. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc: Add mutex for set property calls.David S. Miller
On some platforms, the I2C controller is shared between the OS and OBP. OBP uses this I2C controller to access the EEPROM, and thus is programmed when the kernel calls prom_setprop(). Wrap such calls with the new of_set_property_mutex. Relevant I2C bus drivers can grab this mutex around top-level I2C operations to provide the proper protection. Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-24sparc64: Add JBUS NUMA detection.David S. Miller
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-23Fix oops in acer_wmi driver (acer_wmi_init)Arjan van de Ven
The acer_wmi driver does a DMI scan for quirks, and then sets flags into the "interface" datastructure for some cases. However, the quirks happen real early before "interface" is per se initialized from NULL. The patch below 1) adds a NULL pointer check and 2) (re)runs the quirks at the end, when "interface" has it's final value. Reported-by: kerneloops.org Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk> CC: stable@vger.kernel.org Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-23Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: ipv6: protocol for address routes icmp: icmp_sk() should not use smp_processor_id() in preemptible code pkt_sched: Fix qdisc list locking pkt_sched: Fix qdisc_watchdog() vs. dev_deactivate() race sctp: fix potential panics in the SCTP-AUTH API.
2008-08-23removed unused #include <linux/version.h>'sAdrian Bunk
This patch lets the files using linux/version.h match the files that #include it. Signed-off-by: Adrian Bunk <bunk@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-23ipv6: protocol for address routesStephen Hemminger
This fixes a problem spotted with zebra, but not sure if it is necessary a kernel problem. With IPV6 when an address is added to an interface, Zebra creates a duplicate RIB entry, one as a connected route, and other as a kernel route. When an address is added to an interface the RTN_NEWADDR message causes Zebra to create a connected route. In IPV4 when an address is added to an interface a RTN_NEWROUTE message is set to user space with the protocol RTPROT_KERNEL. Zebra ignores these messages, because it already has the connected route. The problem is that route created in IPV6 has route protocol == RTPROT_BOOT. Was this a design decision or a bug? This fixes it. Same patch applies to both net-2.6 and stable. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-23icmp: icmp_sk() should not use smp_processor_id() in preemptible codeDenis V. Lunev
Pass namespace into icmp_xmit_lock, obtain socket inside and return it as a result for caller. Thanks Alexey Dobryan for this report: Steps to reproduce: CONFIG_PREEMPT=y CONFIG_DEBUG_PREEMPT=y tracepath <something> BUG: using smp_processor_id() in preemptible [00000000] code: tracepath/3205 caller is icmp_sk+0x15/0x30 Pid: 3205, comm: tracepath Not tainted 2.6.27-rc4 #1 Call Trace: [<ffffffff8031af14>] debug_smp_processor_id+0xe4/0xf0 [<ffffffff80409405>] icmp_sk+0x15/0x30 [<ffffffff8040a17b>] icmp_send+0x4b/0x3f0 [<ffffffff8025a415>] ? trace_hardirqs_on_caller+0xd5/0x160 [<ffffffff8025a4ad>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff8023a475>] ? local_bh_enable_ip+0x95/0x110 [<ffffffff804285b9>] ? _spin_unlock_bh+0x39/0x40 [<ffffffff8025a26c>] ? mark_held_locks+0x4c/0x90 [<ffffffff8025a4ad>] ? trace_hardirqs_on+0xd/0x10 [<ffffffff8025a415>] ? trace_hardirqs_on_caller+0xd5/0x160 [<ffffffff803e91b4>] ip_fragment+0x8d4/0x900 [<ffffffff803e7030>] ? ip_finish_output2+0x0/0x290 [<ffffffff803e91e0>] ? ip_finish_output+0x0/0x60 [<ffffffff803e6650>] ? dst_output+0x0/0x10 [<ffffffff803e922c>] ip_finish_output+0x4c/0x60 [<ffffffff803e92e3>] ip_output+0xa3/0xf0 [<ffffffff803e68d0>] ip_local_out+0x20/0x30 [<ffffffff803e753f>] ip_push_pending_frames+0x27f/0x400 [<ffffffff80406313>] udp_push_pending_frames+0x233/0x3d0 [<ffffffff804067d1>] udp_sendmsg+0x321/0x6f0 [<ffffffff8040d155>] inet_sendmsg+0x45/0x80 [<ffffffff803b967f>] sock_sendmsg+0xdf/0x110 [<ffffffff8024a100>] ? autoremove_wake_function+0x0/0x40 [<ffffffff80257ce5>] ? validate_chain+0x415/0x1010 [<ffffffff8027dc10>] ? __do_fault+0x140/0x450 [<ffffffff802597d0>] ? __lock_acquire+0x260/0x590 [<ffffffff803b9e55>] ? sockfd_lookup_light+0x45/0x80 [<ffffffff803ba50a>] sys_sendto+0xea/0x120 [<ffffffff80428e42>] ? _spin_unlock_irqrestore+0x42/0x80 [<ffffffff803134bc>] ? __up_read+0x4c/0xb0 [<ffffffff8024e0c6>] ? up_read+0x26/0x30 [<ffffffff8020b8bb>] system_call_fastpath+0x16/0x1b icmp6_sk() is similar. Signed-off-by: Denis V. Lunev <den@openvz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-22Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: authenc - Avoid using clobbered request pointer
2008-08-22Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: ALSA: hda - Fix call of alc888_coef_init() ALSA: hda_intel: enable snoop for nvidia HDA controller
2008-08-22Merge branch 'for_linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: ext4: Update documentation to remind users to update mke2fs.conf ext4: Fix small file fragmentation ext4: Initialize writeback_index to 0 when allocating a new inode ext4: make sure ext4_has_free_blocks returns 0 for ENOSPC ext4: journal credit fix for the delayed allocation's writepages() function ext4: Rework the ext4_da_writepages() function ext4: journal credits reservation fixes for DIO, fallocate ext4: journal credits reservation fixes for extent file writepage ext4: journal credits calulation cleanup and fix for non-extent writepage ext4: Fix bug where we return ENOSPC even though we have plenty of inodes ext4: don't try to resize if there are no reserved gdt blocks left ext4: Use ext4_discard_reservations instead of mballoc-specific call ext4: Fix ext4_dx_readdir hash collision handling ext4: Fix delalloc release block reservation for truncate ext4: Fix potential truncate BUG due to i_prealloc_list being non-empty ext4: Handle unwritten extent properly with delayed allocation
2008-08-22Merge branch 'sched-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: enable LB_BIAS by default
2008-08-22Merge branch 'core-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rcu: fix synchronize_rcu() so that kernel-doc works
2008-08-22Merge branch 'timers-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: nohz: fix wrong event handler after online an offlined cpu
2008-08-22Merge branch 'x86-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86: work around MTRR mask setting, v2 x86: fix section mismatch warning - uv_cpu_init x86: fix VMI for early params x86: fix two modpost warnings in mm/init_64.c x86: fix 1:1 mapping init on 64-bit (memory hotplug case) x86: work around MTRR mask setting x86: PAT Update validate_pat_support for intel CPUs devmem, x86: PAT Change /dev/mem mmap with O_SYNC to use UC_MINUS x86: PAT proper tracking of set_memory_uc and friends x86: fix BUG: unable to handle kernel paging request (numaq_tsc_disable) x86: export pv_lock_ops non-GPL x86, mmiotrace: silence section mismatch warning - leave_uniprocessor x86: use WARN() in arch/x86/kernel x86: use WARN() in arch/x86/mm/ioremap.c werror: fix pci calgary x86: fix oprofile + hibernation badness x86, SGI UV: hardcode the TLB flush interrupt system vector x86: fix Xorg startup/shutdown slowdown with PAT x86: fix "kernel won't boot on a Cyrix MediaGXm (Geode)" x86 iommu: remove unneeded parenthesis
2008-08-22Merge branch 'upstream-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: [libata] pata_it821x: fix warning libata: Fix a large collection of DMA mode mismatches ahci: sis controllers actually can do PMP pata_via: clean up recent tf_load changes libata: restore SControl on detach libata: use ata_link_printk() when printing SError libata: always do follow-up SRST if hardreset returned -EAGAIN libata: fix EH action overwriting in ata_eh_reset() sata_mv: add the Gen IIE flag to the SoC devices. ata_piix: IDE Mode SATA patch for Intel Ibex Peak DeviceIDs ahci: RAID mode SATA patch for Intel Ibex Peak DeviceIDs sata_mv: don't issue two DMA commands concurrently libata: implement no[hs]rst force params
2008-08-22Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IPoIB: Fix deadlock on RTNL in ipoib_stop() IB/ipath: Fix incorrect check for max physical address in TID IB/ipath: Fix lost UD send work request
2008-08-23crypto: authenc - Avoid using clobbered request pointerHerbert Xu
Authenc works in two stages for encryption, it first encrypts and then computes an ICV. The context memory of the request is used by both operations. The problem is that when an asynchronous encryption completes, we will compute the ICV and then reread the context memory of the encryption to get the original request. It just happens that we have a buffer of 16 bytes in front of the request pointer, so ICVs of 16 bytes (such as SHA1) do not trigger the bug. However, any attempt to uses a larger ICV instantly kills the machine when the first asynchronous encryption is completed. This patch fixes this by saving the request pointer before we start the ICV computation. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
2008-08-22ALSA: hda - Fix call of alc888_coef_init()Takashi Iwai
Using init_hook to call alc888_coef_init() is problematic for configurations that already set another init_hook. Better to put it in alc_init() as is (although it looks a bit hackish). Signed-off-by: Takashi Iwai <tiwai@suse.de>
2008-08-22x86: work around MTRR mask setting, v2Ingo Molnar
improve the debug printout: - make it actually display something - print it only once would be nice to have a WARN_ONCE() facility, to feed such things to kerneloops.org. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-22x86: fix section mismatch warning - uv_cpu_initMarcin Slusarz
WARNING: vmlinux.o(.cpuinit.text+0x3cc4): Section mismatch in reference from the function uv_cpu_init() to the function .init.text:uv_system_init() The function __cpuinit uv_cpu_init() references a function __init uv_system_init(). If uv_system_init is only used by uv_cpu_init then annotate uv_system_init with a matching annotation. uv_system_init was ment to be called only once, so do it from codepath (native_smp_prepare_cpus) which is called once, right before activation of other cpus (smp_init). Note: old code relied on uv_node_to_blade being initialized to 0, but it'a not initialized from anywhere. Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com> Acked-by: Jack Steiner <steiner@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2008-08-22pkt_sched: Fix qdisc list lockingJarek Poplawski
Since some qdiscs call qdisc_tree_decrease_qlen() (so qdisc_lookup()) without rtnl_lock(), adding and deleting from a qdisc list needs additional locking. This patch adds global spinlock qdisc_list_lock and wrapper functions for modifying the list. It is considered as a temporary solution until hfsc_dequeue(), netem_dequeue() and tbf_dequeue() (or qdisc_tree_decrease_qlen()) are redone. With feedback from Herbert Xu and David S. Miller. Signed-off-by: Jarek Poplawski <jarkao2@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2008-08-22[libata] pata_it821x: fix warningJeff Garzik
Reported by Andrew Morton: drivers/ata/pata_it821x.c: In function 'it821x_port_start': drivers/ata/pata_it821x.c:609: warning: 'mtype' may be used uninitialized in this function Pretty horrid fix, but so's a warning.. Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-22libata: Fix a large collection of DMA mode mismatchesAlan Cox
Dave Müller sent a diff for the pata_oldpiix that highlighted a problem where a lot of the ATA drivers assume dma_mode == 0 means "no DMA" while the core code uses 0xFF. This turns out to have other consequences such as code doing >= XFER_UDMA_0 also catching 0xFF as UDMAlots. Fortunately it doesn't generally affect set_dma_mode, although some drivers call back into their own set mode code from other points. Having been through the drivers I've added helpers for using_udma/using_mwdma dma_enabled so that people don't open code ranges that may change (eg if UDMA8 appears somewhere) Thanks to David for the initial bits [and added fix for pata_oldpiix from and signed-off-by Dave Mueller <dave.mueller@gmx.ch> -jg] Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-22ahci: sis controllers actually can do PMPTejun Heo
SIS controllers were blacklisted for PMP as enabling it made device detection fail whether the device was PMP or not - the natural conclusion was the controller chokes on SRST w/ pmp==15. However, it turned out that the controller just didn't like issuing SRST after hardreset w/o clearing SError first. Interestingly, the SRST itself succeeds but the following commands fail. If SError is cleared between hardreset and SRST, which is the default behavior now, everything works fine and SIS controllers work with PMPs happily. Remove PMP blacklisting for SIS AHCIs. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Piter PUNK <piterpunk@slackware.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-22pata_via: clean up recent tf_load changesTejun Heo
Commit bfce5e0179ad059035df28558724ff60af708e09 implemented custom tf_load for pata_via. This patch cleans it up a bit. * Instead of duplicating whole body, copy tf and set ATA_TFLAG_DEVICE when necessary. * Rename via_ata_tf_load() to via_tf_load(). * No need to set .tf_load in via_port_ops_noirq as it inherits from via_port_ops. * Clean up indentation. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Joseph Chan <JosephChan@via.com.tw> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-22libata: restore SControl on detachTejun Heo
Save SControl during probing and restore it on detach. This prevents adjustments made by libata drivers to seep into the next driver which gets attached (be it a libata one or not). It's not clear whether SControl also needs to be restored on suspend. The next system to have control (ACPI or kexec'd kernel) would probably like to see the original SControl value but there's no guarantee that a link is gonna keep working after SControl is adjusted without a reset and adding a reset and modified recovery cycle soley for this is an overkill. For now, do it only for detach. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-22libata: use ata_link_printk() when printing SErrorTejun Heo
SError belongs to link not port. Use ata_link_printk() to print it. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-22libata: always do follow-up SRST if hardreset returned -EAGAINTejun Heo
As an optimization, follow-up SRST used to be skipped if classification wasn't requested even when hardreset requested it via -EAGAIN. However, some hardresets can't wait for device readiness and skipping SRST can cause timeout or other failures during revalidation. Always perform follow-up SRST if hardreset returns -EAGAIN. This makes reset paths more predictable and thus less error-prone. While at it, move hardreset error checking such that it's done right after hardreset is finished. This simplifies followup SRST condition check a bit and makes the reset path easier to modify. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-22libata: fix EH action overwriting in ata_eh_reset()Tejun Heo
ehc->i.action got accidentally overwritten to ATA_EH_HARD/SOFTRESET in ata_eh_reset(). The original intention was to clear reset action which wasn't selected. This can cause unexpected behavior when other EH actions are scheduled together with reset. Fix it. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-08-22sata_mv: add the Gen IIE flag to the SoC devices.Saeed Bishara
The SoC sata port is based on the 7042/6042 devices (Gen IIE). This patch will fix various issues when working with PMP and/or NCQ. Signed-off-by: Saeed Bishara <saeed@marvell.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>