Commit cba36222 authored by Krzysztof Hałasa's avatar Krzysztof Hałasa

IXP4xx: Fix compilation failure with CONFIG_IXP4XX_INDIRECT_PCI.

Instead of including the heavy linux/mm.h for VMALLOC_START, test the addresses
against PCI MIN and MAX addresses. Indirect PCI uses 1:1 mapping for MMIO space
making this change possible.
Signed-off-by: default avatarKrzysztof Hałasa <khc@pm.waw.pl>
parent 58e570d1
......@@ -55,10 +55,16 @@ extern int ixp4xx_pci_write(u32 addr, u32 cmd, u32 data);
* access registers. If something outside of PCI is ioremap'd, we
* fallback to the default.
*/
static inline int is_pci_memory(u32 addr)
{
return (addr >= PCIBIOS_MIN_MEM) && (addr <= 0x4FFFFFFF);
}
static inline void __iomem * __indirect_ioremap(unsigned long addr, size_t size,
unsigned int mtype)
{
if((addr < PCIBIOS_MIN_MEM) || (addr > 0x4fffffff))
if (!is_pci_memory(addr))
return __arm_ioremap(addr, size, mtype);
return (void __iomem *)addr;
......@@ -66,7 +72,7 @@ static inline void __iomem * __indirect_ioremap(unsigned long addr, size_t size,
static inline void __indirect_iounmap(void __iomem *addr)
{
if ((__force u32)addr >= VMALLOC_START)
if (!is_pci_memory((__force u32)addr))
__iounmap(addr);
}
......@@ -94,7 +100,7 @@ static inline void __indirect_writeb(u8 value, volatile void __iomem *p)
u32 addr = (u32)p;
u32 n, byte_enables, data;
if (addr >= VMALLOC_START) {
if (!is_pci_memory(addr)) {
__raw_writeb(value, addr);
return;
}
......@@ -117,7 +123,7 @@ static inline void __indirect_writew(u16 value, volatile void __iomem *p)
u32 addr = (u32)p;
u32 n, byte_enables, data;
if (addr >= VMALLOC_START) {
if (!is_pci_memory(addr)) {
__raw_writew(value, addr);
return;
}
......@@ -138,7 +144,8 @@ static inline void __indirect_writesw(volatile void __iomem *bus_addr,
static inline void __indirect_writel(u32 value, volatile void __iomem *p)
{
u32 addr = (__force u32)p;
if (addr >= VMALLOC_START) {
if (!is_pci_memory(addr)) {
__raw_writel(value, p);
return;
}
......@@ -158,7 +165,7 @@ static inline unsigned char __indirect_readb(const volatile void __iomem *p)
u32 addr = (u32)p;
u32 n, byte_enables, data;
if (addr >= VMALLOC_START)
if (!is_pci_memory(addr))
return __raw_readb(addr);
n = addr % 4;
......@@ -181,7 +188,7 @@ static inline unsigned short __indirect_readw(const volatile void __iomem *p)
u32 addr = (u32)p;
u32 n, byte_enables, data;
if (addr >= VMALLOC_START)
if (!is_pci_memory(addr))
return __raw_readw(addr);
n = addr % 4;
......@@ -204,7 +211,7 @@ static inline unsigned long __indirect_readl(const volatile void __iomem *p)
u32 addr = (__force u32)p;
u32 data;
if (addr >= VMALLOC_START)
if (!is_pci_memory(addr))
return __raw_readl(p);
if (ixp4xx_pci_read(addr, NP_CMD_MEMREAD, &data))
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment