4.3-stable review patch. If anyone has any objections, please let me know.
------------------
From: Emmanuel Grumbach <emmanuel.grumb...@intel.com>
commit 03a19cbb91994212be72ce15ac3406fa9f8ba079 upstream.
The hardware bug in the commit mentioned below forces us
not to re-enable the clock gating in the Host Cluster.
The impact on the power consumption is minimal and it allows
the WAKE_ME interrupt to propagate.
Fixes: c9fdec9f3970 ("iwlwifi: pcie: fix prepare card flow")
Signed-off-by: Emmanuel Grumbach <emmanuel.grumb...@intel.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/net/wireless/iwlwifi/pcie/trans.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -592,10 +592,8 @@ static int iwl_pcie_prepare_card_hw(stru
do {
ret = iwl_pcie_set_hw_ready(trans);
- if (ret >= 0) {
- ret = 0;
- goto out;
- }
+ if (ret >= 0)
+ return 0;
usleep_range(200, 1000);
t += 200;
@@ -605,10 +603,6 @@ static int iwl_pcie_prepare_card_hw(stru
IWL_ERR(trans, "Couldn't prepare the card\n");
-out:
- iwl_clear_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG,
- CSR_RESET_LINK_PWR_MGMT_DISABLED);
-
return ret;
}
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