diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ssb/main.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c index 06c0b6d5250d..e05ba6eefc7e 100644 --- a/drivers/ssb/main.c +++ b/drivers/ssb/main.c @@ -1226,27 +1226,31 @@ void ssb_device_disable(struct ssb_device *dev, u32 core_specific_flags) return; reject = ssb_tmslow_reject_bitmask(dev); - ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK); - ssb_wait_bits(dev, SSB_TMSLOW, reject, 1000, 1); - ssb_wait_bits(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0); - if (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_INITIATOR) { - val = ssb_read32(dev, SSB_IMSTATE); - val |= SSB_IMSTATE_REJECT; - ssb_write32(dev, SSB_IMSTATE, val); - ssb_wait_bits(dev, SSB_IMSTATE, SSB_IMSTATE_BUSY, 1000, 0); - } + if (ssb_read32(dev, SSB_TMSLOW) & SSB_TMSLOW_CLOCK) { + ssb_write32(dev, SSB_TMSLOW, reject | SSB_TMSLOW_CLOCK); + ssb_wait_bits(dev, SSB_TMSLOW, reject, 1000, 1); + ssb_wait_bits(dev, SSB_TMSHIGH, SSB_TMSHIGH_BUSY, 1000, 0); + + if (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_INITIATOR) { + val = ssb_read32(dev, SSB_IMSTATE); + val |= SSB_IMSTATE_REJECT; + ssb_write32(dev, SSB_IMSTATE, val); + ssb_wait_bits(dev, SSB_IMSTATE, SSB_IMSTATE_BUSY, 1000, + 0); + } - ssb_write32(dev, SSB_TMSLOW, - SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | - reject | SSB_TMSLOW_RESET | - core_specific_flags); - ssb_flush_tmslow(dev); + ssb_write32(dev, SSB_TMSLOW, + SSB_TMSLOW_FGC | SSB_TMSLOW_CLOCK | + reject | SSB_TMSLOW_RESET | + core_specific_flags); + ssb_flush_tmslow(dev); - if (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_INITIATOR) { - val = ssb_read32(dev, SSB_IMSTATE); - val &= ~SSB_IMSTATE_REJECT; - ssb_write32(dev, SSB_IMSTATE, val); + if (ssb_read32(dev, SSB_IDLOW) & SSB_IDLOW_INITIATOR) { + val = ssb_read32(dev, SSB_IMSTATE); + val &= ~SSB_IMSTATE_REJECT; + ssb_write32(dev, SSB_IMSTATE, val); + } } ssb_write32(dev, SSB_TMSLOW, |