ssb: cc: clear GPIOPULL registers on init

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

2 files changed, 8 insertions, 0 deletions

diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
index 7c031fdc8205..b4b3733aefcf 100644
--- a/drivers/ssb/driver_chipcommon.c
+++ b/drivers/ssb/driver_chipcommon.c
@@ -260,6 +260,12 @@ void ssb_chipcommon_init(struct ssb_chipcommon *cc)
         if (cc->dev->id.revision >= 11)
                 cc->status = chipco_read32(cc, SSB_CHIPCO_CHIPSTAT);
         ssb_dprintk(KERN_INFO PFX "chipcommon status is 0x%x\n", cc->status);
+
+        if (cc->dev->id.revision >= 20) {
+                chipco_write32(cc, SSB_CHIPCO_GPIOPULLUP, 0);
+                chipco_write32(cc, SSB_CHIPCO_GPIOPULLDOWN, 0);
+        }
+
         ssb_pmu_init(cc);
         chipco_powercontrol_init(cc);
         ssb_chipco_set_clockmode(cc, SSB_CLKMODE_FAST);
diff --git a/include/linux/ssb/ssb_driver_chipcommon.h b/include/linux/ssb/ssb_driver_chipcommon.h
index 4f2d77a0c021..a08d693d8324 100644
--- a/include/linux/ssb/ssb_driver_chipcommon.h
+++ b/include/linux/ssb/ssb_driver_chipcommon.h
@@ -123,6 +123,8 @@
 #define SSB_CHIPCO_FLASHDATA            0x0048
 #define SSB_CHIPCO_BCAST_ADDR           0x0050
 #define SSB_CHIPCO_BCAST_DATA           0x0054
+#define SSB_CHIPCO_GPIOPULLUP           0x0058          /* Rev >= 20 only */
+#define SSB_CHIPCO_GPIOPULLDOWN         0x005C          /* Rev >= 20 only */
 #define SSB_CHIPCO_GPIOIN               0x0060
 #define SSB_CHIPCO_GPIOOUT              0x0064
 #define SSB_CHIPCO_GPIOOUTEN            0x0068