From e021f1f06eaad8977a4defad8aff8c89028dc242 Mon Sep 17 00:00:00 2001
From: Ralf Baechle <ralf@linux-mips.org>
Date: Thu, 26 Apr 2007 15:46:24 +0100
Subject: [PATCH] [MIPS] MIPS Tech: Get rid of volatile in core code.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---
arch/mips/mips-boards/generic/display.c | 8 ++++----
arch/mips/mips-boards/generic/reset.c | 12 ++++++------
arch/mips/mips-boards/malta/malta_int.c | 2 +-
arch/mips/mips-boards/malta/malta_setup.c | 4 ++--
4 files changed, 13 insertions(+), 13 deletions(-)
diff --git a/arch/mips/mips-boards/generic/display.c b/arch/mips/mips-boards/generic/display.c
index f653946afc23f..548dbe5ce7c8c 100644
--- a/arch/mips/mips-boards/generic/display.c
+++ b/arch/mips/mips-boards/generic/display.c
@@ -24,16 +24,16 @@
void mips_display_message(const char *str)
{
- static volatile unsigned int *display = NULL;
+ static unsigned int __iomem *display = NULL;
int i;
if (unlikely(display == NULL))
- display = (volatile unsigned int *)ioremap(ASCII_DISPLAY_POS_BASE, 16*sizeof(int));
+ display = ioremap(ASCII_DISPLAY_POS_BASE, 16*sizeof(int));
for (i = 0; i <= 14; i=i+2) {
if (*str)
- display[i] = *str++;
+ writel(*str++, display + i);
else
- display[i] = ' ';
+ writel(' ', display + i);
}
}
diff --git a/arch/mips/mips-boards/generic/reset.c b/arch/mips/mips-boards/generic/reset.c
index 0996ba368b2a2..7a1bb51f81ee1 100644
--- a/arch/mips/mips-boards/generic/reset.c
+++ b/arch/mips/mips-boards/generic/reset.c
@@ -39,24 +39,24 @@ static void atlas_machine_power_off(void);
static void mips_machine_restart(char *command)
{
- volatile unsigned int *softres_reg = (unsigned int *)ioremap (SOFTRES_REG, sizeof(unsigned int));
+ unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
- *softres_reg = GORESET;
+ writew(GORESET, softres_reg);
}
static void mips_machine_halt(void)
{
- volatile unsigned int *softres_reg = (unsigned int *)ioremap (SOFTRES_REG, sizeof(unsigned int));
+ unsigned int __iomem *softres_reg = ioremap(SOFTRES_REG, sizeof(unsigned int));
- *softres_reg = GORESET;
+ writew(GORESET, softres_reg);
}
#if defined(CONFIG_MIPS_ATLAS)
static void atlas_machine_power_off(void)
{
- volatile unsigned int *psustby_reg = (unsigned int *)ioremap(ATLAS_PSUSTBY_REG, sizeof(unsigned int));
+ unsigned int __iomem *psustby_reg = ioremap(ATLAS_PSUSTBY_REG, sizeof(unsigned int));
- *psustby_reg = ATLAS_GOSTBY;
+ writew(ATLAS_GOSTBY, psustby_reg);
}
#endif
diff --git a/arch/mips/mips-boards/malta/malta_int.c b/arch/mips/mips-boards/malta/malta_int.c
index 3c206bb171602..38428566dce8b 100644
--- a/arch/mips/mips-boards/malta/malta_int.c
+++ b/arch/mips/mips-boards/malta/malta_int.c
@@ -85,7 +85,7 @@ static inline int mips_pcibios_iack(void)
dummy = BONITO_PCIMAP_CFG;
iob(); /* sync */
- irq = *(volatile u32 *)(_pcictrl_bonito_pcicfg);
+ irq = readl((u32 *)_pcictrl_bonito_pcicfg);
iob(); /* sync */
irq &= 0xff;
BONITO_PCIMAP_CFG = 0;
diff --git a/arch/mips/mips-boards/malta/malta_setup.c b/arch/mips/mips-boards/malta/malta_setup.c
index 56ea76679cd41..7873932532a10 100644
--- a/arch/mips/mips-boards/malta/malta_setup.c
+++ b/arch/mips/mips-boards/malta/malta_setup.c
@@ -145,7 +145,8 @@ void __init plat_mem_setup(void)
#ifdef CONFIG_BLK_DEV_IDE
/* Check PCI clock */
{
- int jmpr = (*((volatile unsigned int *)ioremap(MALTA_JMPRS_REG, sizeof(unsigned int))) >> 2) & 0x07;
+ unsigned int __iomem *jmpr_p = (unsigned int *) ioremap(MALTA_JMPRS_REG, sizeof(unsigned int));
+ int jmpr = (readw(jmpr_p) >> 2) & 0x07;
static const int pciclocks[] __initdata = {
33, 20, 25, 30, 12, 16, 37, 10
};
@@ -179,7 +180,6 @@ void __init plat_mem_setup(void)
};
#endif
#endif
-
mips_reboot_setup();
board_time_init = mips_time_init;
--
2.39.5