microblaze: Define readq and writeq IO helper function

Michal Simek · Michal Simek · commit 4f3cbd79afd9 · 2014-02-10T07:42:03.000+01:00
Some drivers check if readq/writeq functions are defined.
If not internal driver functions are used which cause
compilation failures.

Signed-off-by: Michal Simek &lt;michal.simek@xilinx.com&gt;
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
@@ -89,6 +89,11 @@ static inline unsigned int readl(const volatile void __iomem *addr)
 {
 	return le32_to_cpu(*(volatile unsigned int __force *)addr);
 }
+#define readq readq
+static inline u64 readq(const volatile void __iomem *addr)
+{
+	return le64_to_cpu(__raw_readq(addr));
+}
 static inline void writeb(unsigned char v, volatile void __iomem *addr)
 {
 	*(volatile unsigned char __force *)addr = v;
@@ -101,6 +106,7 @@ static inline void writel(unsigned int v, volatile void __iomem *addr)
 {
 	*(volatile unsigned int __force *)addr = cpu_to_le32(v);
 }
+#define writeq(b, addr) __raw_writeq(cpu_to_le64(b), addr)
 
 /* ioread and iowrite variants. thease are for now same as __raw_
  * variants of accessors. we might check for endianess in the feature

Original file line number	Diff line number	Diff line change
`@@ -89,6 +89,11 @@ static inline unsigned int readl(const volatile void __iomem *addr)`
`89`	`89`	`{`
`90`	`90`	`return le32_to_cpu((volatile unsigned int __force )addr);`
`91`	`91`	`}`
	`92`	`+#define readq readq`
	`93`	`+static inline u64 readq(const volatile void __iomem *addr)`
	`94`	`+{`
	`95`	`+ return le64_to_cpu(__raw_readq(addr));`
	`96`	`+}`
`92`	`97`	`static inline void writeb(unsigned char v, volatile void __iomem *addr)`
`93`	`98`	`{`
`94`	`99`	`(volatile unsigned char __force )addr = v;`
`@@ -101,6 +106,7 @@ static inline void writel(unsigned int v, volatile void __iomem *addr)`
`101`	`106`	`{`
`102`	`107`	`(volatile unsigned int __force )addr = cpu_to_le32(v);`
`103`	`108`	`}`
	`109`	`+#define writeq(b, addr) __raw_writeq(cpu_to_le64(b), addr)`
`104`	`110`
`105`	`111`	`/* ioread and iowrite variants. thease are for now same as __raw_`
`106`	`112`	`* variants of accessors. we might check for endianess in the feature`