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ARM: mm: kill unused runtime hook arch_iounmap()

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Since the following commits,

v5.4
  commit 59d3ae9a5b ("ARM: remove Intel iop33x and iop13xx support")
v5.11
  commit 3e3f354bc3 ("ARM: remove ebsa110 platform")

The runtime hook arch_iounmap() on ARM is useless, kill arch_iounmap()
and __iounmap().

Cc: Russell King <linux@armlinux.org.uk>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Reviewed-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20220607125027.44946-2-wangkefeng.wang@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Kefeng Wang
2022-06-07 20:50:22 +08:00
committed by Will Deacon
parent a111daf0c5
commit d803336abd
3 changed files with 3 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
arch/arm/include/asm/io.h
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@@ -139,11 +139,9 @@ extern void __iomem *__arm_ioremap_caller(phys_addr_t, size_t, unsigned int,
extern void __iomem *__arm_ioremap_pfn(unsigned long, unsigned long, size_t, unsigned int);
extern void __iomem *__arm_ioremap_exec(phys_addr_t, size_t, bool cached);
void __arm_iomem_set_ro(void __iomem *ptr, size_t size);
extern void __iounmap(volatile void __iomem *addr);
extern void __iomem * (*arch_ioremap_caller)(phys_addr_t, size_t,
unsigned int, void *);
extern void (*arch_iounmap)(volatile void __iomem *);
/*
* Bad read/write accesses...
@@ -380,7 +378,7 @@ void __iomem *ioremap_wc(resource_size_t res_cookie, size_t size);
#define ioremap_wc ioremap_wc
#define ioremap_wt ioremap_wc
void iounmap(volatile void __iomem *iomem_cookie);
void iounmap(volatile void __iomem *io_addr);
#define iounmap iounmap
void *arch_memremap_wb(phys_addr_t phys_addr, size_t size);