ssb: reset device only if it was enabled
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
parent
b1a1bcf714
commit
011d18350f
|
@ -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);
|
||||
|
||||
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);
|
||||
ssb_wait_bits(dev, SSB_IMSTATE, SSB_IMSTATE_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_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);
|
||||
}
|
||||
}
|
||||
|
||||
ssb_write32(dev, SSB_TMSLOW,
|
||||
|
|
Loading…
Reference in a new issue