ssb: fast powerup delay calculation for PMU capable devices
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Acked-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c
index 59ae76b..bda8514 100644
--- a/drivers/ssb/driver_chipcommon.c
+++ b/drivers/ssb/driver_chipcommon.c
@@ -209,6 +209,24 @@
}
}
+/* http://bcm-v4.sipsolutions.net/802.11/PmuFastPwrupDelay */
+static u16 pmu_fast_powerup_delay(struct ssb_chipcommon *cc)
+{
+ struct ssb_bus *bus = cc->dev->bus;
+
+ switch (bus->chip_id) {
+ case 0x4312:
+ case 0x4322:
+ case 0x4328:
+ return 7000;
+ case 0x4325:
+ /* TODO: */
+ default:
+ return 15000;
+ }
+}
+
+/* http://bcm-v4.sipsolutions.net/802.11/ClkctlFastPwrupDelay */
static void calc_fast_powerup_delay(struct ssb_chipcommon *cc)
{
struct ssb_bus *bus = cc->dev->bus;
@@ -218,6 +236,12 @@
if (bus->bustype != SSB_BUSTYPE_PCI)
return;
+
+ if (cc->capabilities & SSB_CHIPCO_CAP_PMU) {
+ cc->fast_pwrup_delay = pmu_fast_powerup_delay(cc);
+ return;
+ }
+
if (!(cc->capabilities & SSB_CHIPCO_CAP_PCTL))
return;