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video: fbdev: controlfb: Fix COMPILE_TEST build 

If PPC_BOOK3S, PPC_PMAC and PPC32 is n, COMPILE_TEST build fails:

drivers/video/fbdev/controlfb.c:70:0: error: "pgprot_cached_wthru" redefined [-Werror]
 #define pgprot_cached_wthru(prot) (prot)

In file included from ./arch/powerpc/include/asm/pgtable.h:20:0,
                 from ./include/linux/pgtable.h:6,
                 from ./include/linux/mm.h:33,
                 from drivers/video/fbdev/controlfb.c:37:
./arch/powerpc/include/asm/nohash/pgtable.h:243:0: note: this is the location of the previous definition
 #define pgprot_cached_wthru(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \

Fixes: a07a63b0e2 ("video: fbdev: controlfb: add COMPILE_TEST support")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Helge Deller <deller@gmx.de>
This commit is contained in:
YueHaibing 2021-12-09 17:01:13 +08:00 committed by Helge Deller
parent 4378aaeef3
commit 567e44fb51
1 changed files with 2 additions and 0 deletions
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2
drivers/video/fbdev/controlfb.c
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@ -67,7 +67,9 @@
#define out_8(addr, val) (void)(val)
#define in_le32(addr) 0
#define out_le32(addr, val) (void)(val)
#ifndef pgprot_cached_wthru
#define pgprot_cached_wthru(prot) (prot)
#endif
#else
static void invalid_vram_cache(void __force *addr)
{