diff options
| author |   Rafał Miłecki <zajec5@gmail.com> | 2010-05-24 21:50:24 +0200 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2010-06-03 14:10:44 -0400 |
| commit | fd515941cfaf949b55086a36943afe085d7268e6 (patch) | |
| tree | feaabc312579a5588d0c28ae2dc949ef26bed911 /drivers/ssb | |
| parent | ssb: update PMU init to match specs (diff) | |
| download | linux-dev-fd515941cfaf949b55086a36943afe085d7268e6.tar.xz linux-dev-fd515941cfaf949b55086a36943afe085d7268e6.zip | |
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>
Diffstat (limited to 'drivers/ssb')
| -rw-r--r-- | drivers/ssb/driver_chipcommon.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/ssb/driver_chipcommon.c b/drivers/ssb/driver_chipcommon.c index 59ae76bace14..bda851427780 100644 --- a/drivers/ssb/driver_chipcommon.c +++ b/drivers/ssb/driver_chipcommon.c @@ -209,6 +209,24 @@ static void chipco_powercontrol_init(struct ssb_chipcommon *cc) } } +/* 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 @@ static void calc_fast_powerup_delay(struct ssb_chipcommon *cc) 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; |