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Diffstat (limited to 'arch/arm/mach-omap2/pm34xx.c')
-rw-r--r--arch/arm/mach-omap2/pm34xx.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index d9440a18bd0..cf6ea9f318f 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -63,7 +63,7 @@ static struct powerdomain *mpu_pwrdm;
*/
static int prcm_clear_mod_irqs(s16 module, u8 regs)
{
- u32 wkst, fclk, iclk;
+ u32 wkst, fclk, iclk, clken;
u16 wkst_off = (regs == 3) ? OMAP3430ES2_PM_WKST3 : PM_WKST1;
u16 fclk_off = (regs == 3) ? OMAP3430ES2_CM_FCLKEN3 : CM_FCLKEN1;
u16 iclk_off = (regs == 3) ? CM_ICLKEN3 : CM_ICLKEN1;
@@ -77,8 +77,15 @@ static int prcm_clear_mod_irqs(s16 module, u8 regs)
iclk = cm_read_mod_reg(module, iclk_off);
fclk = cm_read_mod_reg(module, fclk_off);
while (wkst) {
- cm_set_mod_reg_bits(wkst, module, iclk_off);
- cm_set_mod_reg_bits(wkst, module, fclk_off);
+ clken = wkst;
+ cm_set_mod_reg_bits(clken, module, iclk_off);
+ /*
+ * For USBHOST, we don't know whether HOST1 or
+ * HOST2 woke us up, so enable both f-clocks
+ */
+ if (module == OMAP3430ES2_USBHOST_MOD)
+ clken |= 1 << OMAP3430ES2_EN_USBHOST2_SHIFT;
+ cm_set_mod_reg_bits(clken, module, fclk_off);
prm_write_mod_reg(wkst, module, wkst_off);
wkst = prm_read_mod_reg(module, wkst_off);
c++;