[06/14] OMAP4: powerdomain: Add pwrdm_clear_all_prev_pwrst

Commit Message

Paul Walmsley Dec. 7, 2010, 1:25 a.m. UTC

None

Patch

diff --git a/arch/arm/mach-omap2/powerdomain44xx.c b/arch/arm/mach-omap2/powerdomain44xx.c
index 123a25f..2903c7c 100644
--- a/arch/arm/mach-omap2/powerdomain44xx.c
+++ b/arch/arm/mach-omap2/powerdomain44xx.c
@@ -55,6 +55,14 @@  static int omap4_pwrdm_set_lowpwrstchange(struct powerdomain *pwrdm)
 	return 0;
 }
 
+static int omap4_pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm)
+{
+	prm_rmw_mod_reg_bits(OMAP4430_LASTPOWERSTATEENTERED_MASK,
+				OMAP4430_LASTPOWERSTATEENTERED_MASK,
+				pwrdm->prcm_offs, OMAP4_PM_PWSTST);
+	return 0;
+}
+
 static int omap4_pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst)
 {
 	u32 v;
@@ -155,6 +163,7 @@  struct pwrdm_ops omap4_pwrdm_operations = {
 	.pwrdm_read_pwrst	= omap4_pwrdm_read_pwrst,
 	.pwrdm_read_prev_pwrst	= omap4_pwrdm_read_prev_pwrst,
 	.pwrdm_set_lowpwrstchange	= omap4_pwrdm_set_lowpwrstchange,
+	.pwrdm_clear_all_prev_pwrst	= omap4_pwrdm_clear_all_prev_pwrst,
 	.pwrdm_set_logic_retst	= omap4_pwrdm_set_logic_retst,
 	.pwrdm_read_logic_pwrst	= omap4_pwrdm_read_logic_pwrst,
 	.pwrdm_read_logic_retst	= omap4_pwrdm_read_logic_retst,