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Message-Id: <1347658492-11608-3-git-send-email-arnd@arndb.de>
Date: Fri, 14 Sep 2012 23:34:30 +0200
From: Arnd Bergmann <arnd@...db.de>
To: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org, Will Deacon <will.deacon@....com>,
Russell King <rmk+kernel@....linux.org.uk>,
Nicolas Pitre <nico@...aro.org>, Arnd Bergmann <arnd@...db.de>,
Nicolas Ferre <nicolas.ferre@...el.com>,
Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Subject: [PATCH 02/24] ARM: at91: use __iomem pointers for MMIO
ARM is moving to stricter checks on readl/write functions,
so we need to use the correct types everywhere.
Cc: Nicolas Ferre <nicolas.ferre@...el.com>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
arch/arm/mach-at91/at91x40.c | 2 +-
arch/arm/mach-at91/at91x40_time.c | 4 ++--
arch/arm/mach-at91/include/mach/hardware.h | 4 ++--
arch/arm/mach-at91/include/mach/uncompress.h | 6 +++---
arch/arm/mach-at91/setup.c | 4 ++--
5 files changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c
index 46090e6..6bd7300 100644
--- a/arch/arm/mach-at91/at91x40.c
+++ b/arch/arm/mach-at91/at91x40.c
@@ -47,7 +47,7 @@ static void at91x40_idle(void)
* Disable the processor clock. The processor will be automatically
* re-enabled by an interrupt or by a reset.
*/
- __raw_writel(AT91_PS_CR_CPU, AT91_PS_CR);
+ __raw_writel(AT91_PS_CR_CPU, AT91_IO_P2V(AT91_PS_CR));
cpu_do_idle();
}
diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c
index 6ca680a..ee06d7b 100644
--- a/arch/arm/mach-at91/at91x40_time.c
+++ b/arch/arm/mach-at91/at91x40_time.c
@@ -29,10 +29,10 @@
#include <mach/at91_tc.h>
#define at91_tc_read(field) \
- __raw_readl(AT91_TC + field)
+ __raw_readl(AT91_IO_P2V(AT91_TC) + field)
#define at91_tc_write(field, value) \
- __raw_writel(value, AT91_TC + field);
+ __raw_writel(value, AT91_IO_P2V(AT91_TC) + field);
/*
* 3 counter/timer units present.
diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h
index 09242b6..711a789 100644
--- a/arch/arm/mach-at91/include/mach/hardware.h
+++ b/arch/arm/mach-at91/include/mach/hardware.h
@@ -67,13 +67,13 @@
* to 0xFEF78000 .. 0xFF000000. (544Kb)
*/
#define AT91_IO_PHYS_BASE 0xFFF78000
-#define AT91_IO_VIRT_BASE (0xFF000000 - AT91_IO_SIZE)
+#define AT91_IO_VIRT_BASE IOMEM(0xFF000000 - AT91_IO_SIZE)
#else
/*
* Identity mapping for the non MMU case.
*/
#define AT91_IO_PHYS_BASE AT91_BASE_SYS
-#define AT91_IO_VIRT_BASE AT91_IO_PHYS_BASE
+#define AT91_IO_VIRT_BASE IOMEM(AT91_IO_PHYS_BASE)
#endif
#define AT91_IO_SIZE (0xFFFFFFFF - AT91_IO_PHYS_BASE + 1)
diff --git a/arch/arm/mach-at91/include/mach/uncompress.h b/arch/arm/mach-at91/include/mach/uncompress.h
index 6f6118d..58c9d5b 100644
--- a/arch/arm/mach-at91/include/mach/uncompress.h
+++ b/arch/arm/mach-at91/include/mach/uncompress.h
@@ -94,7 +94,7 @@ static const u32 uarts_sam9x5[] = {
0,
};
-static inline const u32* decomp_soc_detect(u32 dbgu_base)
+static inline const u32* decomp_soc_detect(void __iomem*dbgu_base)
{
u32 cidr, socid;
@@ -142,10 +142,10 @@ static inline void arch_decomp_setup(void)
int i = 0;
const u32* usarts;
- usarts = decomp_soc_detect(AT91_BASE_DBGU0);
+ usarts = decomp_soc_detect((void __iomem *)AT91_BASE_DBGU0);
if (!usarts)
- usarts = decomp_soc_detect(AT91_BASE_DBGU1);
+ usarts = decomp_soc_detect((void __iomem *)AT91_BASE_DBGU1);
if (!usarts) {
at91_uart = NULL;
return;
diff --git a/arch/arm/mach-at91/setup.c b/arch/arm/mach-at91/setup.c
index 944bffb..e6f52de 100644
--- a/arch/arm/mach-at91/setup.c
+++ b/arch/arm/mach-at91/setup.c
@@ -73,7 +73,7 @@ void __init at91_init_sram(int bank, unsigned long base, unsigned int length)
{
struct map_desc *desc = &sram_desc[bank];
- desc->virtual = AT91_IO_VIRT_BASE - length;
+ desc->virtual = (unsigned long)AT91_IO_VIRT_BASE - length;
if (bank > 0)
desc->virtual -= sram_desc[bank - 1].length;
@@ -88,7 +88,7 @@ void __init at91_init_sram(int bank, unsigned long base, unsigned int length)
}
static struct map_desc at91_io_desc __initdata = {
- .virtual = AT91_VA_BASE_SYS,
+ .virtual = (unsigned long)AT91_VA_BASE_SYS,
.pfn = __phys_to_pfn(AT91_BASE_SYS),
.length = SZ_16K,
.type = MT_DEVICE,
--
1.7.10
--
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