From: Eliad Peller <eliad@wizery.com>
Date: Mon, 12 May 2014 11:22:20 +0000 (+0300)
Subject: iwlwifi: mvm: set SKIP_OVER_DTIM flag only if needed
X-Git-Tag: v4.9.8~6025^2~11^2~7^2~63^2~21
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6f3610588174ef0cb73a4e604ae62ecf6eb8b9f9;p=platform%2Fkernel%2Flinux-rpi3.git

iwlwifi: mvm: set SKIP_OVER_DTIM flag only if needed

setting SKIP_OVER_DTIM when skip_dtim_periods is 0
causes a ucode assert. set the flag only if needed.

Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
---

diff --git a/drivers/net/wireless/iwlwifi/mvm/power.c b/drivers/net/wireless/iwlwifi/mvm/power.c
index fc178d0..2e99ddd 100644
--- a/drivers/net/wireless/iwlwifi/mvm/power.c
+++ b/drivers/net/wireless/iwlwifi/mvm/power.c
@@ -902,9 +902,10 @@ int iwl_mvm_update_d0i3_power_mode(struct iwl_mvm *mvm,
 		if (WARN_ON(!dtimper_msec))
 			return 0;
 
-		cmd.flags |=
-			cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 		cmd.skip_dtim_periods = 300 / dtimper_msec;
+		if (cmd.skip_dtim_periods)
+			cmd.flags |=
+				cpu_to_le16(POWER_FLAGS_SKIP_OVER_DTIM_MSK);
 	}
 	iwl_mvm_power_log(mvm, &cmd);
 #ifdef CONFIG_IWLWIFI_DEBUGFS