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csky: remove ioremap_cache 

No driver that can be used on csky uses ioremap_cache, and this
interface has been deprecated in favor of memremap.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Guo Ren <guoren@kernel.org>
This commit is contained in:
Christoph Hellwig 2019-10-16 08:11:43 +02:00
parent 38af578253
commit 1246b8146c
2 changed files with 0 additions and 9 deletions
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2
arch/csky/include/asm/io.h
View File

@ -36,13 +36,11 @@
/*
* I/O memory mapping functions.
*/
extern void __iomem *ioremap_cache(phys_addr_t addr, size_t size);
extern void __iomem *__ioremap(phys_addr_t addr, size_t size, pgprot_t prot);
extern void iounmap(void *addr);
#define ioremap(addr, size) __ioremap((addr), (size), pgprot_noncached(PAGE_KERNEL))
#define ioremap_wc(addr, size) __ioremap((addr), (size), pgprot_writecombine(PAGE_KERNEL))
#define ioremap_cache ioremap_cache
#include <asm-generic/io.h>

7
arch/csky/mm/ioremap.c
View File

@ -44,13 +44,6 @@ void __iomem *__ioremap(phys_addr_t phys_addr, size_t size, pgprot_t prot)
}
EXPORT_SYMBOL(__ioremap);
void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size)
{
return __ioremap_caller(phys_addr, size, PAGE_KERNEL,
__builtin_return_address(0));
}
EXPORT_SYMBOL(ioremap_cache);
void iounmap(void __iomem *addr)
{
vunmap((void *)((unsigned long)addr & PAGE_MASK));