linux-kernel - [ 12/45] iwl4965: set power mode early

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Date:	Sun, 18 Aug 2013 13:36:01 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	stable@...r.kernel.org, Stanislaw Gruszka <sgruszka@...hat.com>,
	"John W. Linville" <linville@...driver.com>
Subject: [ 12/45] iwl4965: set power mode early

3.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Stanislaw Gruszka <sgruszka@...hat.com>

commit eca396d7a5bdcc1fd67b1b12f737c213ac78a6f4 upstream.

If device was put into a sleep and system was restarted or module
reloaded, we have to wake device up before sending other commands.
Otherwise it will fail to start with Microcode error.

Signed-off-by: Stanislaw Gruszka <sgruszka@...hat.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/net/wireless/iwlegacy/4965-mac.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -5316,6 +5316,9 @@ il4965_alive_start(struct il_priv *il)
 
 	il->active_rate = RATES_MASK;
 
+	il_power_update_mode(il, true);
+	D_INFO("Updated power mode\n");
+
 	if (il_is_associated(il)) {
 		struct il_rxon_cmd *active_rxon =
 		    (struct il_rxon_cmd *)&il->active;
@@ -5346,9 +5349,6 @@ il4965_alive_start(struct il_priv *il)
 	D_INFO("ALIVE processing complete.\n");
 	wake_up(&il->wait_command_queue);
 
-	il_power_update_mode(il, true);
-	D_INFO("Updated power mode\n");
-
 	return;
 
 restart:


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