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remove ioremap_nocache and devm_ioremap_nocache

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ioremap has provided non-cached semantics by default since the Linux 2.6
days, so remove the additional ioremap_nocache interface.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Christoph Hellwig
2020-01-06 09:43:50 +01:00
parent d23cc63588
commit 4bdc0d676a
368 changed files with 508 additions and 581 deletions
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6
include/linux/io.h
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@@ -66,8 +66,6 @@ void __iomem *devm_ioremap(struct device *dev, resource_size_t offset,
resource_size_t size);
void __iomem *devm_ioremap_uc(struct device *dev, resource_size_t offset,
resource_size_t size);
void __iomem *devm_ioremap_nocache(struct device *dev, resource_size_t offset,
resource_size_t size);
void __iomem *devm_ioremap_wc(struct device *dev, resource_size_t offset,
resource_size_t size);
void devm_iounmap(struct device *dev, void __iomem *addr);
@@ -87,7 +85,7 @@ void *__devm_memremap_pages(struct device *dev, struct resource *res);
* Posting") mandate non-posted configuration transactions. There is
* no ioremap API in the kernel that can guarantee non-posted write
* semantics across arches so provide a default implementation for
* mapping PCI config space that defaults to ioremap_nocache(); arches
* mapping PCI config space that defaults to ioremap(); arches
* should override it if they have memory mapping implementations that
* guarantee non-posted writes semantics to make the memory mapping
* compliant with the PCI specification.
@@ -97,7 +95,7 @@ void *__devm_memremap_pages(struct device *dev, struct resource *res);
static inline void __iomem *pci_remap_cfgspace(phys_addr_t offset,
size_t size)
{
return ioremap_nocache(offset, size);
return ioremap(offset, size);
}
#endif
#endif