Merge branches 'for-3.18/always-poll-quirk', 'for-3.18/logitech', 'for-3.18/picolcd...

[sfrench/cifs-2.6.git] / arch / arm / mach-omap2 / prm2xxx.c

diff --git a/arch/arm/mach-omap2/prm2xxx.c b/arch/arm/mach-omap2/prm2xxx.c
index a3a3cca2bcc4c203a9e77fdbd134cc36fcafe957..86958050547a4a803c6a86604c6ba17b2b5011e7 100644 (file)
--- a/arch/arm/mach-omap2/prm2xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx.c
@@ -114,6 +114,24 @@ void omap2xxx_prm_dpll_reset(void)
        omap2_prm_read_mod_reg(WKUP_MOD, OMAP2_RM_RSTCTRL);
 }
 
+/**
+ * omap2xxx_prm_clear_mod_irqs - clear wakeup status bits for a module
+ * @module: PRM module to clear wakeups from
+ * @regs: register offset to clear
+ * @wkst_mask: wakeup status mask to clear
+ *
+ * Clears wakeup status bits for a given module, so that the device can
+ * re-enter idle.
+ */
+void omap2xxx_prm_clear_mod_irqs(s16 module, u8 regs, u32 wkst_mask)
+{
+       u32 wkst;
+
+       wkst = omap2_prm_read_mod_reg(module, regs);
+       wkst &= wkst_mask;
+       omap2_prm_write_mod_reg(wkst, module, regs);
+}
+
 int omap2xxx_clkdm_sleep(struct clockdomain *clkdm)
 {
        omap2_prm_set_mod_reg_bits(OMAP24XX_FORCESTATE_MASK,