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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2011-01-20 17:08:04 +0100
committerJohn W. Linville <linville@tuxdriver.com>2011-01-21 21:05:57 +0100
commit239712ebb2b4750431980d33993ea05c6ac7ff65 (patch)
tree3c3b6cbd96aefb0dad72c487736d4b56ba9484d0 /drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
parentBluetooth: Fix race condition with conn->sec_level (diff)
downloadlinux-239712ebb2b4750431980d33993ea05c6ac7ff65.tar.xz
linux-239712ebb2b4750431980d33993ea05c6ac7ff65.zip
iwlwifi: don't read sku information from EEPROM for 4965
For all the new devices, the sku information should read from EEPROM but for legacy devices such as 4965, appearly the EEPROM does not contain the necessary information. so skip the read from EEPROM and go back to use software configuration. Reported-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com> Tested-by: Helmut Schaa <helmut.schaa@googlemail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
index 14ceb4df72f6..27b5a3eec9dc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-eeprom.c
@@ -152,11 +152,14 @@ int iwl_eeprom_check_sku(struct iwl_priv *priv)
eeprom_sku = iwl_eeprom_query16(priv, EEPROM_SKU_CAP);
- priv->cfg->sku = ((eeprom_sku & EEPROM_SKU_CAP_BAND_SELECTION) >>
+ if (!priv->cfg->sku) {
+ /* not using sku overwrite */
+ priv->cfg->sku =
+ ((eeprom_sku & EEPROM_SKU_CAP_BAND_SELECTION) >>
EEPROM_SKU_CAP_BAND_POS);
- if (eeprom_sku & EEPROM_SKU_CAP_11N_ENABLE)
- priv->cfg->sku |= IWL_SKU_N;
-
+ if (eeprom_sku & EEPROM_SKU_CAP_11N_ENABLE)
+ priv->cfg->sku |= IWL_SKU_N;
+ }
if (!priv->cfg->sku) {
IWL_ERR(priv, "Invalid device sku\n");
return -EINVAL;