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authorAbbas, Mohamed <mohamed.abbas@intel.com>2009-01-20 21:33:55 -0800
committerJohn W. Linville <linville@tuxdriver.com>2009-01-29 16:01:06 -0500
commite9414b6b3f34dcc3683e66dffa4f5f167d49df51 (patch)
tree857f8deb0ce8110fcf82930d41c4b11db1c4b9db /drivers/net/wireless/iwlwifi/iwl-io.h
parentc0af96a6e63ef93c605ce495fff79c692d4b8c4d (diff)
downloadlinux-e9414b6b3f34dcc3683e66dffa4f5f167d49df51.tar.gz
iwl3945: fix deep sleep when removing the driver.
A warning message "MAC is in deep sleep" sometimes happen when user removes
the driver.  This warning is related to card not being ready. In __iwl3945_down
function some of the going down steps are in wrong order, to fix this this patch
do the following:
	1- make sure we are calling iwl3945_apm_reset and iwl3945_apm_stop
	   in the right order.

	2- make sure we set CSR_GP_CNTRL_REG_FLAG_INIT_DONE in apm_reset before
	   poll on CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY.

	3- set correct polling counter.

This fixes bug
http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1834

Signed-off-by: mohamed abbas <mohamed.abbas@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-io.h')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-io.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h
index bc3f3daef6ed..7341a2da8431 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-io.h
@@ -165,7 +165,7 @@ static inline int _iwl_grab_nic_access(struct iwl_priv *priv)
 	ret = _iwl_poll_bit(priv, CSR_GP_CNTRL,
 			   CSR_GP_CNTRL_REG_VAL_MAC_ACCESS_EN,
 			   (CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
-			    CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 50);
+			    CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000);
 	if (ret < 0) {
 		IWL_ERR(priv, "MAC is in deep sleep!\n");
 		return -EIO;