ARM: OMAP24xx: PRM: add API for clearing wakeup status bits
This helps to isolate the PRM into its own driver.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
diff --git a/arch/arm/mach-omap2/prm2xxx.c b/arch/arm/mach-omap2/prm2xxx.c
index a3a3cca..8695805 100644
--- a/arch/arm/mach-omap2/prm2xxx.c
+++ b/arch/arm/mach-omap2/prm2xxx.c
@@ -114,6 +114,24 @@
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,