ARM: msm: use runtime ioremap hook

Convert msm platforms to use run-time ioremap hook instead of the compile
time hook.

According to David Brown, only the msm7201 needed the ioremap hook.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Tested-by: David Brown <davidb@codeaurora.org>
Acked-by: David Brown <davidb@codeaurora.org>
Cc: Daniel Walker <dwalker@fifo99.com>
Cc: Bryan Huntsman <bryanh@codeaurora.org>

diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index a60ab6d..3698a37 100644 (file)
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -68,6 +68,11 @@ static struct platform_device *devices[] __initdata = {
 
 extern struct sys_timer msm_timer;
 
+static void __init halibut_init_early(void)
+{
+       arch_ioremap_caller = __msm_ioremap_caller;
+}
+
 static void __init halibut_init_irq(void)
 {
        msm_init_irq();
@@ -96,6 +101,7 @@ MACHINE_START(HALIBUT, "Halibut Board (QCT SURF7200A)")
        .atag_offset    = 0x100,
        .fixup          = halibut_fixup,
        .map_io         = halibut_map_io,
+       .init_early     = halibut_init_early,
        .init_irq       = halibut_init_irq,
        .init_machine   = halibut_init,
        .timer          = &msm_timer,

diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c
index 6b9b227..5414f76 100644 (file)
--- a/arch/arm/mach-msm/board-trout.c
+++ b/arch/arm/mach-msm/board-trout.c
@@ -43,6 +43,11 @@ static struct platform_device *devices[] __initdata = {
 
 extern struct sys_timer msm_timer;
 
+static void __init trout_init_early(void)
+{
+       arch_ioremap_caller = __msm_ioremap_caller;
+}
+
 static void __init trout_init_irq(void)
 {
        msm_init_irq();
@@ -96,6 +101,7 @@ MACHINE_START(TROUT, "HTC Dream")
        .atag_offset    = 0x100,
        .fixup          = trout_fixup,
        .map_io         = trout_map_io,
+       .init_early     = trout_init_early,
        .init_irq       = trout_init_irq,
        .init_machine   = trout_init,
        .timer          = &msm_timer,

diff --git a/arch/arm/mach-msm/include/mach/io.h b/arch/arm/mach-msm/include/mach/io.h
index dc1b928..c6ff9bb 100644 (file)
--- a/arch/arm/mach-msm/include/mach/io.h
+++ b/arch/arm/mach-msm/include/mach/io.h
@@ -18,11 +18,6 @@
 
 #define IO_SPACE_LIMIT 0xffffffff
 
-#define __arch_ioremap __msm_ioremap
-#define __arch_iounmap __iounmap
-
-void __iomem *__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype);
-
 #define __io(a)                __typesafe_io(a)
 #define __mem_pci(a)    (a)
 

diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h b/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h
index 8af4612..152b3b7 100644 (file)
--- a/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h
@@ -111,5 +111,11 @@
 #define MSM_AD5_PHYS          0xAC000000
 #define MSM_AD5_SIZE          (SZ_1M*13)
 
+#ifndef __ASSEMBLY__
+
+extern void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size,
+                                         unsigned int mtype, void *caller);
+
+#endif
 
 #endif

diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index 578b04e..a1e7b11 100644 (file)
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -172,8 +172,8 @@ void __init msm_map_msm7x30_io(void)
 }
 #endif /* CONFIG_ARCH_MSM7X30 */
 
-void __iomem *
-__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
+void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size,
+                                  unsigned int mtype, void *caller)
 {
        if (mtype == MT_DEVICE) {
                /* The peripherals in the 88000000 - D0000000 range
@@ -184,7 +184,5 @@ __msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
                        mtype = MT_DEVICE_NONSHARED;
        }
 
-       return __arm_ioremap_caller(phys_addr, size, mtype,
-               __builtin_return_address(0));
+       return __arm_ioremap_caller(phys_addr, size, mtype, caller);
 }
-EXPORT_SYMBOL(__msm_ioremap);