diff options
| author |   Amnon Paz <amnonX.paz@intel.com> | 2013-02-27 11:28:16 +0200 |
|---|---|---|
| committer |   Johannes Berg <johannes.berg@intel.com> | 2013-03-06 16:48:02 +0100 |
| commit | f9477c17c2ce59f64462635c3e5d43c98c0ad67f (patch) | |
| tree | 7fa7e589ad0e60efecab8b0b5bfba4af497127a2 /drivers/net/wireless/iwlwifi/pcie | |
| parent | iwlwifi: move firmware restart debugfs hook to op_mode (diff) | |
| download | linux-dev-f9477c17c2ce59f64462635c3e5d43c98c0ad67f.tar.xz linux-dev-f9477c17c2ce59f64462635c3e5d43c98c0ad67f.zip | |
iwlwifi: fix indirect write bug
Fix a bug in writing to indirect (periphery) registers; although
writes seem successful the data is not written to the desired
address). Also fix address mask for HBUS_TARG_PRPH_RADDR and
HBUS_TARG_PRPH_WADDR registers.
Signed-off-by: Amnon Paz <amnonX.paz@intel.com>
Reviewed-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/trans.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c index d17fb4bd3efb..6649e377e9cd 100644 --- a/drivers/net/wireless/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/iwlwifi/pcie/trans.c @@ -715,7 +715,8 @@ static u32 iwl_trans_pcie_read32(struct iwl_trans *trans, u32 ofs) static u32 iwl_trans_pcie_read_prph(struct iwl_trans *trans, u32 reg) { - iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_RADDR, reg | (3 << 24)); + iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_RADDR, + ((reg & 0x000FFFFF) | (3 << 24))); return iwl_trans_pcie_read32(trans, HBUS_TARG_PRPH_RDAT); } @@ -723,7 +724,7 @@ static void iwl_trans_pcie_write_prph(struct iwl_trans *trans, u32 addr, u32 val) { iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_WADDR, - ((addr & 0x0000FFFF) | (3 << 24))); + ((addr & 0x000FFFFF) | (3 << 24))); iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_WDAT, val); } |