[ARM] 4666/1: ixp4xx: fix sparse warnings in include/asm-arm/arch-ixp4xx/io.h

Don't lose __iomem in casts.  Use __force to cast __iomem addresses to
integers.  Use __force to cast u32 to __le32 and vice versa.

Signed-off-by: Pavel Roskin <proski@gnu.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff --git a/include/asm-arm/arch-ixp4xx/io.h b/include/asm-arm/arch-ixp4xx/io.h
index eeeea90cd5a96f1b08a12acc6b1d00d68a588c4f..9c5d2357aff3ac4689ae36747022f76cb2d6081a 100644 (file)
--- a/include/asm-arm/arch-ixp4xx/io.h
+++ b/include/asm-arm/arch-ixp4xx/io.h
@@ -61,13 +61,13 @@ __ixp4xx_ioremap(unsigned long addr, size_t size, unsigned int mtype)
        if((addr < PCIBIOS_MIN_MEM) || (addr > 0x4fffffff))
                return __arm_ioremap(addr, size, mtype);
 
-       return (void *)addr;
+       return (void __iomem *)addr;
 }
 
 static inline void
 __ixp4xx_iounmap(void __iomem *addr)
 {
-       if ((u32)addr >= VMALLOC_START)
+       if ((__force u32)addr >= VMALLOC_START)
                __iounmap(addr);
 }
 
@@ -141,9 +141,9 @@ __ixp4xx_writesw(volatile void __iomem *bus_addr, const u16 *vaddr, int count)
 static inline void 
 __ixp4xx_writel(u32 value, volatile void __iomem *p)
 {
-       u32 addr = (u32)p;
+       u32 addr = (__force u32)p;
        if (addr >= VMALLOC_START) {
-               __raw_writel(value, addr);
+               __raw_writel(value, p);
                return;
        }
 
@@ -208,11 +208,11 @@ __ixp4xx_readsw(const volatile void __iomem *bus_addr, u16 *vaddr, u32 count)
 static inline unsigned long 
 __ixp4xx_readl(const volatile void __iomem *p)
 {
-       u32 addr = (u32)p;
+       u32 addr = (__force u32)p;
        u32 data;
 
        if (addr >= VMALLOC_START)
-               return __raw_readl(addr);
+               return __raw_readl(p);
 
        if (ixp4xx_pci_read(addr, NP_CMD_MEMREAD, &data))
                return 0xffffffff;
@@ -438,7 +438,7 @@ __ixp4xx_ioread32(const void __iomem *addr)
                return  (unsigned int)__ixp4xx_inl(port & PIO_MASK);
        else {
 #ifndef CONFIG_IXP4XX_INDIRECT_PCI
-               return le32_to_cpu(__raw_readl((u32)port));
+               return le32_to_cpu((__force __le32)__raw_readl(addr));
 #else
                return (unsigned int)__ixp4xx_readl(addr);
 #endif
@@ -523,7 +523,7 @@ __ixp4xx_iowrite32(u32 value, void __iomem *addr)
                __ixp4xx_outl(value, port & PIO_MASK);
        else
 #ifndef CONFIG_IXP4XX_INDIRECT_PCI
-               __raw_writel(cpu_to_le32(value), port);
+               __raw_writel((u32 __force)cpu_to_le32(value), addr);
 #else
                __ixp4xx_writel(value, addr);
 #endif