[MIPS] MIPS Tech: Get rid of volatile in core code.

Signed-off-by: NRalf Baechle <ralf@linux-mips.org>

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);
 	}
 }

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
 

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;

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;