[PATCH 3/6] MIPS: merge __ioremap_mode into ioremap_prot

Christoph Hellwig
2020-03-24T16:19:59Z

There is no reason to have two ioremap with flags interfaces. Merge
the historic mips __ioremap_mode into ioremap_prot which is a generic
kernel interface.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
arch/mips/include/asm/io.h | 30 +++++++++++++-----------------
1 file changed, 13 insertions(+), 17 deletions(-)

diff --git a/arch/mips/include/asm/io.h b/arch/mips/include/asm/io.h
index 7be323ed2bfd..60513250f8f8 100644
--- a/arch/mips/include/asm/io.h
+++ b/arch/mips/include/asm/io.h
@@ -156,9 +156,17 @@ static inline void *isa_bus_to_virt(unsigned long address)
extern void __iomem * __ioremap(phys_addr_t offset, phys_addr_t size, unsigned long flags);
extern void __iounmap(const volatile void __iomem *addr);

-static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long size,
- unsigned long flags)
+/*
+ * ioremap_prot - map bus memory into CPU space
+ * @offset: bus address of the memory
+ * @size: size of the resource to map
+
+ * ioremap_prot gives the caller control over cache coherency attributes (CCA)
+ */
+static inline void __iomem *ioremap_prot(phys_addr_t offset,
+ unsigned long size, unsigned long prot_val)
{
+ unsigned long flags = prot_val & _CACHE_MASK;
void __iomem *addr = plat_ioremap(offset, size, flags);

if (addr)
@@ -202,18 +210,6 @@ static inline void __iomem * __ioremap_mode(phys_addr_t offset, unsigned long si
#undef __IS_LOW512
}

-/*
- * ioremap_prot - map bus memory into CPU space
- * @offset: bus address of the memory
- * @size: size of the resource to map
-
- * ioremap_prot gives the caller control over cache coherency attributes (CCA)
- */
-static inline void __iomem *ioremap_prot(phys_addr_t offset,
- unsigned long size, unsigned long prot_val) {
- return __ioremap_mode(offset, size, prot_val & _CACHE_MASK);
-}
-
/*
* ioremap - map bus memory into CPU space
* @offset: bus address of the memory
@@ -226,7 +222,7 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset,
* address.
*/
#define ioremap(offset, size) \
- __ioremap_mode((offset), (size), _CACHE_UNCACHED)
+ ioremap_prot((offset), (size), _CACHE_UNCACHED)
#define ioremap_uc ioremap

/*
@@ -245,7 +241,7 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset,
* memory-like regions on I/O busses.
*/
#define ioremap_cache(offset, size) \
- __ioremap_mode((offset), (size), _page_cachable_default)
+ ioremap_prot((offset), (size), _page_cachable_default)

/*
* ioremap_wc - map bus memory into CPU space
@@ -266,7 +262,7 @@ static inline void __iomem *ioremap_prot(phys_addr_t offset,
* _CACHE_UNCACHED option (see cpu_probe() method).
*/
#define ioremap_wc(offset, size) \
- __ioremap_mode((offset), (size), boot_cpu_data.writecombine)
+ ioremap_prot((offset), (size), boot_cpu_data.writecombine)

static inline void iounmap(const volatile void __iomem *addr)
{
--
2.25.1