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authorArik Nemtsov2015-02-04 15:38:56 +0200
committerEmmanuel Grumbach2015-03-12 09:57:37 +0200
commitf55286313a6597d075f409f111b4f516a3feb830 (patch)
treed6875c6d2c2ac0f3e9ee44e12cc3134cc80a78c4 /drivers/net
parente70fe7eb9dec9c7b7c570a489f198b93b5ca609b (diff)
iwlwifi: use correct NVM offset for LAR enable for new NVMs
New NVM versions in LnP platforms have the lar_enable bits in a different offset. Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-nvm-parse.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
index 54e447b9978c..b372105604a0 100644
--- a/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
+++ b/drivers/net/wireless/iwlwifi/iwl-nvm-parse.c
@@ -110,7 +110,8 @@ enum family_8000_nvm_offsets {
/* NVM REGULATORY -Section offset (in words) definitions */
NVM_CHANNELS_FAMILY_8000 = 0,
- NVM_LAR_OFFSET_FAMILY_8000 = 0x4C7,
+ NVM_LAR_OFFSET_FAMILY_8000_OLD = 0x4C7,
+ NVM_LAR_OFFSET_FAMILY_8000 = 0x507,
NVM_LAR_ENABLED_FAMILY_8000 = 0x7,
/* NVM calibration section offset (in words) definitions */
@@ -656,8 +657,11 @@ iwl_parse_nvm_data(struct device *dev, const struct iwl_cfg *cfg,
iwl_init_sbands(dev, cfg, data, nvm_sw,
tx_chains, rx_chains, lar_fw_supported);
} else {
- lar_config = le16_to_cpup(regulatory +
- NVM_LAR_OFFSET_FAMILY_8000);
+ u16 lar_offset = data->nvm_version < 0xE39 ?
+ NVM_LAR_OFFSET_FAMILY_8000_OLD :
+ NVM_LAR_OFFSET_FAMILY_8000;
+
+ lar_config = le16_to_cpup(regulatory + lar_offset);
data->lar_enabled = !!(lar_config &
NVM_LAR_ENABLED_FAMILY_8000);