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powerpc/fb: Call internal __phys_mem_access_prot() in fbdev code

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

Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230922080636.26762-6-tzimmermann@suse.de
This commit is contained in:
Thomas Zimmermann 2023-09-22 10:04:59 +02:00 committed by Michael Ellerman
parent 1f92a844c3
commit deebe5f607
1 changed files with 1 additions and 6 deletions
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7
arch/powerpc/include/asm/fb.h
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@ -8,12 +8,7 @@ static inline pgprot_t pgprot_framebuffer(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 pgprot_framebuffer pgprot_framebuffer