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authorAmnon Paz <amnonX.paz@intel.com>2013-02-27 11:28:16 +0200
committerJohannes Berg <johannes.berg@intel.com>2013-03-06 16:48:02 +0100
commitf9477c17c2ce59f64462635c3e5d43c98c0ad67f (patch)
tree7fa7e589ad0e60efecab8b0b5bfba4af497127a2 /drivers/net/wireless/iwlwifi
parent490953ac344725f56746d16ef8480842f4087fc4 (diff)
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')
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/trans.c5
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 d17fb4bd3ef..6649e377e9c 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);
}