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logic_io instance of iounmap() needs volatile on argument

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... same as the rest of implementations

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Al Viro 2021-09-20 21:32:49 +00:00 committed by Richard Weinberger
parent 577ade59b9
commit 5f174ec3c1
2 changed files with 3 additions and 3 deletions
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2
include/asm-generic/logic_io.h
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@ -34,7 +34,7 @@
void __iomem *ioremap(phys_addr_t offset, size_t size);
#define iounmap iounmap
void iounmap(void __iomem *addr);
void iounmap(void volatile __iomem *addr);
#define __raw_readb __raw_readb
u8 __raw_readb(const volatile void __iomem *addr);

4
lib/logic_iomem.c
View File

@ -76,7 +76,7 @@ static void __iomem *real_ioremap(phys_addr_t offset, size_t size)
return NULL;
}
static void real_iounmap(void __iomem *addr)
static void real_iounmap(volatile void __iomem *addr)
{
WARN(1, "invalid iounmap for addr 0x%llx\n",
(unsigned long long)(uintptr_t __force)addr);
@ -149,7 +149,7 @@ get_area(const volatile void __iomem *addr)
return NULL;
}
void iounmap(void __iomem *addr)
void iounmap(volatile void __iomem *addr)
{
struct logic_iomem_area *area = get_area(addr);