Commit 3354a0f6 authored by Mohamed Abbas's avatar Mohamed Abbas Committed by John W. Linville
Browse files

iwlwifi: Check HW ready before prepare card.



Hardware may be ready for us to manage it without us trying to prepare
it first. Check if this is the case.
Signed-off-by: default avatarMohamed Abbas <mohamed.abbas@intel.com>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 7d5ca3b8
......@@ -1812,6 +1812,11 @@ static int iwl_prepare_card_hw(struct iwl_priv *priv)
IWL_DEBUG_INFO(priv, "iwl_prepare_card_hw enter \n");
ret = iwl_set_hw_ready(priv);
if (priv->hw_ready)
return ret;
/* If HW is not ready, prepare the conditions to check again */
iwl_set_bit(priv, CSR_HW_IF_CONFIG_REG,
CSR_HW_IF_CONFIG_REG_PREPARE);
......@@ -1819,6 +1824,7 @@ static int iwl_prepare_card_hw(struct iwl_priv *priv)
~CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE,
CSR_HW_IF_CONFIG_REG_BIT_NIC_PREPARE_DONE, 150000);
/* HW should be ready by now, check again. */
if (ret != -ETIMEDOUT)
iwl_set_hw_ready(priv);
......
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