ssb: cc: clear GPIOPULL registers on init

Signed-off-by: Rafał Miłecki <[email protected]> Signed-off-by: John W. Linville <[email protected]>
RyanHsu · Apr 25, 2011 · 9835a30 · 9835a30
1 parent 6dde1aa
commit 9835a30
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diff --git 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
@@ -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