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>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index d26d7747175e..6efe5c3c22b2 100644
--- 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)) {