[PATCH v2 5/5] arch/powerpc: Call internal __phys_mem_access_prot() in fbdev code

Thomas Zimmermann tzimmermann at suse.de
Thu Sep 7 00:35:06 AEST 2023


Call __phys_mem_access_prot() from the fbdev mmap helper
fb_pgprot_device(). Allows to avoid the file argument of
NULL.

Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
---
 arch/powerpc/include/asm/fb.h | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/arch/powerpc/include/asm/fb.h b/arch/powerpc/include/asm/fb.h
index 3c7486323178..8e6a7fc4ae86 100644
--- a/arch/powerpc/include/asm/fb.h
+++ b/arch/powerpc/include/asm/fb.h
@@ -8,12 +8,7 @@ static inline pgprot_t fb_pgprot_device(pgprot_t prot,
 					unsigned long vm_start, unsigned long vm_end,
 					unsigned long offset)
 {
-	/*
-	 * PowerPC's implementation of phys_mem_access_prot() does
-	 * not use the file argument. Set it to NULL in preparation
-	 * of later updates to the interface.
-	 */
-	return phys_mem_access_prot(NULL, PHYS_PFN(offset), vm_end - vm_start, prot);
+	return __phys_mem_access_prot(PHYS_PFN(offset), vm_end - vm_start, prot);
 }
 #define fb_pgprot_device fb_pgprot_device
 
-- 
2.42.0



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