mfd: Disable unnecessary pcf50633 shutdown on lowsys

On gta02 hardware revision A5 it can actually bring the system down
during normal operating conditions so we disable it.

Signed-off-by: Paul Fertser <fercerpav@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index d26d7747175ef107c9a34d08f44fab4d692114a7..6efe5c3c22b2c4b006b40299f5c23adfed53bd76 100644 (file)
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -345,6 +345,9 @@ static void pcf50633_irq_worker(struct work_struct *work)
                goto out;
        }
 
+       /* defeat 8s death from lowsys on A5 */
+       pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN,  0x04);
+
        /* We immediately read the usb and adapter status. We thus make sure
         * only of USBINS/USBREM IRQ handlers are called */
        if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) {