diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/parisc/Kconfig | 11 | ||||
| -rw-r--r-- | arch/parisc/mm/ioremap.c | 16 |
2 files changed, 2 insertions, 25 deletions
diff --git a/arch/parisc/Kconfig b/arch/parisc/Kconfig index fc5755d1db5..6b3c50964ca 100644 --- a/arch/parisc/Kconfig +++ b/arch/parisc/Kconfig @@ -138,17 +138,6 @@ config 64BIT enable this option otherwise. The 64bit kernel is significantly bigger and slower than the 32bit one. -config HPPA_IOREMAP - bool "Enable IOREMAP functionality (EXPERIMENTAL)" - depends on EXPERIMENTAL - default n - help - Enable this option if you want to enable real IOREMAPPING on PA-RISC. - Currently we just "simulate" I/O remapping, and enabling this option - will just crash your machine. - - Say N here, unless you are a real PA-RISC Linux kernel hacker. - config SMP bool "Symmetric multi-processing support" ---help--- diff --git a/arch/parisc/mm/ioremap.c b/arch/parisc/mm/ioremap.c index 02877214419..5a22e1cab21 100644 --- a/arch/parisc/mm/ioremap.c +++ b/arch/parisc/mm/ioremap.c @@ -72,7 +72,6 @@ remap_area_pmd(pmd_t *pmd, unsigned long address, unsigned long size, return 0; } -#ifdef CONFIG_HPPA_IOREMAP static int remap_area_pages(unsigned long address, unsigned long phys_addr, unsigned long size, unsigned long flags) @@ -114,7 +113,6 @@ remap_area_pages(unsigned long address, unsigned long phys_addr, return error; } -#endif /* CONFIG_HPPA_IOREMAP */ #ifdef CONFIG_DEBUG_IOREMAP static unsigned long last = 0; @@ -154,21 +152,16 @@ EXPORT_SYMBOL(__raw_bad_addr); */ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned long flags) { -#if !defined(CONFIG_HPPA_IOREMAP) +#ifdef CONFIG_EISA + #error FIXME. unsigned long end = phys_addr + size - 1; /* Support EISA addresses */ if ((phys_addr >= 0x00080000 && end < 0x000fffff) || (phys_addr >= 0x00500000 && end < 0x03bfffff)) { phys_addr |= 0xfc000000; } - -#ifdef CONFIG_DEBUG_IOREMAP - return (void __iomem *)(phys_addr - (0x1UL << NYBBLE_SHIFT)); -#else - return (void __iomem *)phys_addr; #endif -#else void *addr; struct vm_struct *area; unsigned long offset, last_addr; @@ -216,15 +209,10 @@ void __iomem * __ioremap(unsigned long phys_addr, unsigned long size, unsigned l } return (void __iomem *) (offset + (char *)addr); -#endif } void iounmap(void __iomem *addr) { -#ifdef CONFIG_HPPA_IOREMAP if (addr > high_memory) return vfree((void *) (PAGE_MASK & (unsigned long __force) addr)); -#else - return; -#endif } |