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| author | Ingo Molnar <mingo@elte.hu> | 2009-02-28 14:09:27 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-28 14:22:44 +0100 |
| commit | 92b9af9e4f144535c65aee673cfad309f25fa465 (patch) | |
| tree | e595675e24fba414396dd1efcef380bfa932beaa | |
| parent | 778ef1e6cbb049c9bcbf405936ee6f2b6e451892 (diff) | |
| download | linux-92b9af9e4f144535c65aee673cfad309f25fa465.tar.gz linux-92b9af9e4f144535c65aee673cfad309f25fa465.tar.bz2 linux-92b9af9e4f144535c65aee673cfad309f25fa465.zip | |
x86: i915 needs pgprot_writecombine() and is_io_mapping_possible()
Impact: build fix
Theodore Ts reported that the i915 driver needs these symbols:
ERROR: "pgprot_writecombine" [drivers/gpu/drm/i915/i915.ko] undefined!
ERROR: "is_io_mapping_possible" [drivers/gpu/drm/i915/i915.ko] undefined!
Reported-by: Theodore Ts'o <tytso@mit.edu> wrote:
Signed-off-by: Ingo Molnar <mingo@elte.hu>
| -rw-r--r-- | arch/x86/mm/iomap_32.c | 15 | ||||
| -rw-r--r-- | arch/x86/mm/pat.c | 2 |
2 files changed, 6 insertions, 11 deletions
diff --git a/arch/x86/mm/iomap_32.c b/arch/x86/mm/iomap_32.c index 6c2b1af16926..04102d42ff42 100644 --- a/arch/x86/mm/iomap_32.c +++ b/arch/x86/mm/iomap_32.c @@ -20,23 +20,16 @@ #include <asm/pat.h> #include <linux/module.h> -#ifdef CONFIG_X86_PAE -int -is_io_mapping_possible(resource_size_t base, unsigned long size) -{ - return 1; -} -#else -int -is_io_mapping_possible(resource_size_t base, unsigned long size) +int is_io_mapping_possible(resource_size_t base, unsigned long size) { +#ifndef CONFIG_X86_PAE /* There is no way to map greater than 1 << 32 address without PAE */ if (base + size > 0x100000000ULL) return 0; - +#endif return 1; } -#endif +EXPORT_SYMBOL_GPL(is_io_mapping_possible); /* Map 'pfn' using fixed map 'type' and protections 'prot' */ diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index aebbf67a79d0..e0ab173b6974 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -11,6 +11,7 @@ #include <linux/bootmem.h> #include <linux/debugfs.h> #include <linux/kernel.h> +#include <linux/module.h> #include <linux/gfp.h> #include <linux/mm.h> #include <linux/fs.h> @@ -868,6 +869,7 @@ pgprot_t pgprot_writecombine(pgprot_t prot) else return pgprot_noncached(prot); } +EXPORT_SYMBOL_GPL(pgprot_writecombine); #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_X86_PAT) |