MLK-11389-01 ARM: imx: keep M/F power domain on after suspend

After the system resume back from suspend, the M/F mix domain
power down bit should be cleared to make sure this domain's power
is on in other low power mode.

Signed-off-by: Bai Ping <b51503@freescale.com>

diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index 7e0aa32..32dd028 100644 (file)
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -120,6 +120,9 @@ void imx_gpc_post_resume(void)
 
        /* Keep ARM core powered on for other low-power modes */
        imx_gpc_set_arm_power_in_lpm(false);
+       /* Keep M/F mix powered on for other low-power modes */
+       if (cpu_is_imx6ul())
+               writel_relaxed(0x0, gpc_base + GPC_PGC_MF_PDN);
 
        for (i = 0; i < IMR_NUM; i++)
                writel_relaxed(gpc_saved_imrs[i], reg_imr1 + i * 4);