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[V3,3/3] ARM: at91: pm: use standby callback instead of cpu_is

Message ID 1381823432-24944-3-git-send-email-daniel.lezcano@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Daniel Lezcano Oct. 15, 2013, 7:50 a.m. UTC 
The cpuidle's platform_device has the standby function set for the correct
SoC when supported in the platform data. Remove the { if then else } statements
in the at91_pm_enter by using directly the standby ops.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
---
 arch/arm/mach-at91/pm.c |   16 +++++++---------
 1 file changed, 7 insertions(+), 9 deletions(-)
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Patch

diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 76f8cbf..baeb4a4a 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -39,6 +39,8 @@ 
 #include "at91_rstc.h"
 #include "at91_shdwc.h"
 
+static void (*at91_pm_standby)(void);
+
 static void __init show_reset_status(void)
 {
 	static char reset[] __initdata = "reset";
@@ -266,14 +268,8 @@  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.
 			 */
-			if (cpu_is_at91rm9200())
-				at91rm9200_standby();
-			else if (cpu_is_at91sam9g45())
-				at91sam9g45_standby();
-			else if (cpu_is_at91sam9263())
-				at91sam9263_standby();
-			else
-				at91sam9_standby();
+			if (at91_pm_standby)
+				at91_pm_standby();
 			break;
 
 		case PM_SUSPEND_ON:
@@ -335,8 +331,10 @@  static int __init at91_pm_init(void)
 	if (cpu_is_at91rm9200())
 		at91_ramc_write(0, AT91RM9200_SDRAMC_LPR, 0);
 	
-	if (at91_cpuidle_device.dev.platform_data)
+	if (at91_cpuidle_device.dev.platform_data) {
+		at91_pm_standby = at91_cpuidle_device.dev.platform_data;
 		platform_device_register(&at91_cpuidle_device);
+	}
 
 	suspend_set_ops(&at91_pm_ops);