Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 17 insertions, 24 deletions

diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 1606379ac28..f630250c6b8 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -136,7 +136,7 @@ static int at91_pm_verify_clocks(void)
 	unsigned long scsr;
 	int i;
 
-	scsr = at91_sys_read(AT91_PMC_SCSR);
+	scsr = at91_pmc_read(AT91_PMC_SCSR);
 
 	/* USB must not be using PLLB */
 	if (cpu_is_at91rm9200()) {
@@ -150,11 +150,6 @@ static int at91_pm_verify_clocks(void)
 			pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
 			return 0;
 		}
-	} else if (cpu_is_at91cap9()) {
-		if ((scsr & AT91CAP9_PMC_UHP) != 0) {
-			pr_err("AT91: PM - Suspend-to-RAM with USB still active\n");
-			return 0;
-		}
 	}
 
 #ifdef CONFIG_AT91_PROGRAMMABLE_CLOCKS
@@ -165,7 +160,7 @@ static int at91_pm_verify_clocks(void)
 		if ((scsr & (AT91_PMC_PCK0 << i)) == 0)
 			continue;
 
-		css = at91_sys_read(AT91_PMC_PCKR(i)) & AT91_PMC_CSS;
+		css = at91_pmc_read(AT91_PMC_PCKR(i)) & AT91_PMC_CSS;
 		if (css != AT91_PMC_CSS_SLOW) {
 			pr_err("AT91: PM - Suspend-to-RAM with PCK%d src %d\n", i, css);
 			return 0;
@@ -193,23 +188,23 @@ int at91_suspend_entering_slow_clock(void)
 EXPORT_SYMBOL(at91_suspend_entering_slow_clock);
 
 
-static void (*slow_clock)(void);
+static void (*slow_clock)(void __iomem *pmc, void __iomem *ramc0,
+			  void __iomem *ramc1, int memctrl);
 
 #ifdef CONFIG_AT91_SLOW_CLOCK
-extern void at91_slow_clock(void);
+extern void at91_slow_clock(void __iomem *pmc, void __iomem *ramc0,
+			    void __iomem *ramc1, int memctrl);
 extern u32 at91_slow_clock_sz;
 #endif
 
-
 static int at91_pm_enter(suspend_state_t state)
 {
-	u32 saved_lpr;
 	at91_gpio_suspend();
 	at91_irq_suspend();
 
 	pr_debug("AT91: PM - wake mask %08x, pm state %d\n",
 			/* remember all the always-wake irqs */
-			(at91_sys_read(AT91_PMC_PCSR)
+			(at91_pmc_read(AT91_PMC_PCSR)
 					| (1 << AT91_ID_FIQ)
 					| (1 << AT91_ID_SYS)
 					| (at91_extern_irq))
@@ -234,11 +229,18 @@ static int at91_pm_enter(suspend_state_t state)
 			 * turning off the main oscillator; reverse on wakeup.
 			 */
 			if (slow_clock) {
+				int memctrl = AT91_MEMCTRL_SDRAMC;
+
+				if (cpu_is_at91rm9200())
+					memctrl = AT91_MEMCTRL_MC;
+				else if (cpu_is_at91sam9g45())
+					memctrl = AT91_MEMCTRL_DDRSDR;
 #ifdef CONFIG_AT91_SLOW_CLOCK
 				/* copy slow_clock handler to SRAM, and call it */
 				memcpy(slow_clock, at91_slow_clock, at91_slow_clock_sz);
 #endif
-				slow_clock();
+				slow_clock(at91_pmc_base, at91_ramc_base[0],
+					   at91_ramc_base[1], memctrl);
 				break;
 			} else {
 				pr_info("AT91: PM - no slow clock mode enabled ...\n");
@@ -259,16 +261,7 @@ static int at91_pm_enter(suspend_state_t state)
 			 * For ARM 926 based chips, this requirement is weaker
 			 * as at91sam9 can access a RAM in self-refresh mode.
 			 */
-			asm volatile (	"mov r0, #0\n\t"
-					"b 1f\n\t"
-					".align 5\n\t"
-					"1: mcr p15, 0, r0, c7, c10, 4\n\t"
-					: /* no output */
-					: /* no input */
-					: "r0");
-			saved_lpr = sdram_selfrefresh_enable();
-			wait_for_interrupt_enable();
-			sdram_selfrefresh_disable(saved_lpr);
+			at91_standby();
 			break;
 
 		case PM_SUSPEND_ON:
@@ -316,7 +309,7 @@ static int __init at91_pm_init(void)
 
 #ifdef CONFIG_ARCH_AT91RM9200
 	/* AT91RM9200 SDRAM low-power mode cannot be used with self-refresh. */
-	at91_sys_write(AT91_SDRAMC_LPR, 0);
+	at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0);
 #endif
 
 	suspend_set_ops(&at91_pm_ops);