diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-01-20 09:23:27 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-01-22 17:55:12 +0200 |
| commit | d5234cb2f4d2bc15d088dac17d02260d2613be28 (patch) | |
| tree | 091da929d43c132604bdac188067b67eb3854e7e /drivers/net/wireless/iwlwifi/pcie/trans.c | |
| parent | bd1ba664147ae271e592aa90266cf9aba6efe116 (diff) | |
| parent | 2cee4762c528a9bd2cdff793197bf591a2196c11 (diff) | |
Merge remote-tracking branch 'iwlwifi-fixes/master' into iwlwifi-next
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Conflicts:
drivers/net/wireless/iwlwifi/iwl-fw-file.h
drivers/net/wireless/iwlwifi/mvm/scan.c
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie/trans.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/trans.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index 09696ca2a654..9ee4ca0ba8d3 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -629,7 +629,7 @@ static int iwl_pcie_load_section(struct iwl_trans *trans, u8 section_num, { u8 *v_addr; dma_addr_t p_addr; - u32 offset, chunk_sz = section->len; + u32 offset, chunk_sz = min_t(u32, FH_MEM_TB_MAX_LENGTH, section->len); int ret = 0; IWL_DEBUG_FW(trans, "[%d] uCode section being loaded...\n", @@ -1034,16 +1034,21 @@ static void iwl_trans_pcie_stop_device(struct iwl_trans *trans) /* Stop the device, and put it in low power state */ iwl_pcie_apm_stop(trans, false); - /* Upon stop, the APM issues an interrupt if HW RF kill is set. - * Clean again the interrupt here + /* stop and reset the on-board processor */ + iwl_write32(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); + udelay(20); + + /* + * Upon stop, the APM issues an interrupt if HW RF kill is set. + * This is a bug in certain verions of the hardware. + * Certain devices also keep sending HW RF kill interrupt all + * the time, unless the interrupt is ACKed even if the interrupt + * should be masked. Re-ACK all the interrupts here. */ spin_lock(&trans_pcie->irq_lock); iwl_disable_interrupts(trans); spin_unlock(&trans_pcie->irq_lock); - /* stop and reset the on-board processor */ - iwl_write32(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET); - udelay(20); /* clear all status bits */ clear_bit(STATUS_SYNC_HCMD_ACTIVE, &trans->status); |