[RFC PATCH 3/5] ARM: at91: Call regulator_suspend_{begin, end}() in the platform pm ops

[Boris Brezillon]

Call regulator_suspend_begin() and regulator_suspend_end() in the
->begin() and ->end() PM ops to inform the regulator framework that
a suspend sequence is beginning/ending.

Signed-off-by: Boris Brezillon <boris.brezillon at free-electrons.com>
---
 arch/arm/mach-at91/pm.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c
index 65e2d5f6a1c9..699125f16356 100644
--- a/arch/arm/mach-at91/pm.c
+++ b/arch/arm/mach-at91/pm.c
@@ -22,6 +22,7 @@
 #include <linux/of_platform.h>
 #include <linux/of_address.h>
 #include <linux/platform_device.h>
+#include <linux/regulator/machine.h>
 #include <linux/io.h>
 #include <linux/clk/at91_pmc.h>
 
@@ -95,7 +96,7 @@ static suspend_state_t target_state;
 static int at91_pm_begin(suspend_state_t state)
 {
 	target_state = state;
-	return 0;
+	return regulator_suspend_begin(target_state);
 }
 
 /*
@@ -240,6 +241,7 @@ static int at91_pm_enter(suspend_state_t state)
 static void at91_pm_end(void)
 {
 	target_state = PM_SUSPEND_ON;
+	regulator_suspend_end();
 }
 
 
-- 
2.7.4