diff options
| author | Dave Airlie <airlied@redhat.com> | 2011-12-20 14:43:53 +0000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 14:43:53 +0000 |
| commit | 1fbe6f625f69e48c4001051dc1431afc704acfaa (patch) | |
| tree | 826b741201a2e09a627ed350c6ff36935f5cff79 /drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | |
| parent | 0cecdd818cd79d092e36e70dfe3a71f2878d6b96 (diff) | |
| parent | 384703b8e6cd4c8ef08512e596024e028c91c339 (diff) | |
| download | linux-1fbe6f625f69e48c4001051dc1431afc704acfaa.tar.bz2 | |
Merge tag 'v3.2-rc6' of /home/airlied/devel/kernel/linux-2.6 into drm-core-next
Merge in the upstream tree to bring in the mainline fixes.
Conflicts:
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
drivers/gpu/drm/nouveau/nouveau_sgdma.c
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans-pcie.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 33 |
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index da3411057afc..ce918980e977 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -990,29 +990,16 @@ static int iwl_trans_tx_stop(struct iwl_trans *trans) return 0; } -static void iwl_trans_pcie_disable_sync_irq(struct iwl_trans *trans) +static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) { unsigned long flags; - struct iwl_trans_pcie *trans_pcie = - IWL_TRANS_GET_PCIE_TRANS(trans); + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + /* tell the device to stop sending interrupts */ spin_lock_irqsave(&trans->shrd->lock, flags); iwl_disable_interrupts(trans); spin_unlock_irqrestore(&trans->shrd->lock, flags); - /* wait to make sure we flush pending tasklet*/ - synchronize_irq(bus(trans)->irq); - tasklet_kill(&trans_pcie->irq_tasklet); -} - -static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) -{ - /* stop and reset the on-board processor */ - iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); - - /* tell the device to stop sending interrupts */ - iwl_trans_pcie_disable_sync_irq(trans); - /* device going down, Stop using ICT table */ iwl_disable_ict(trans); @@ -1039,6 +1026,20 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) /* Stop the device, and put it in low power state */ iwl_apm_stop(priv(trans)); + + /* Upon stop, the APM issues an interrupt if HW RF kill is set. + * Clean again the interrupt here + */ + spin_lock_irqsave(&trans->shrd->lock, flags); + iwl_disable_interrupts(trans); + spin_unlock_irqrestore(&trans->shrd->lock, flags); + + /* wait to make sure we flush pending tasklet*/ + synchronize_irq(bus(trans)->irq); + tasklet_kill(&trans_pcie->irq_tasklet); + + /* stop and reset the on-board processor */ + iwl_write32(bus(trans), CSR_RESET, CSR_RESET_REG_FLAG_NEVO_RESET); } static int iwl_trans_pcie_tx(struct iwl_trans *trans, struct sk_buff *skb, |