From: Tomas Winkler Date: Mon, 4 Aug 2008 08:00:47 +0000 (+0800) Subject: iwlwifi: grap nic access before accessing periphery registers X-Git-Tag: v2.6.27-rc2~2^2~4^2~1 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d3db679511be102741cb2d5f8c2b8a1ededdee7;p=linux-2.6 iwlwifi: grap nic access before accessing periphery registers We need to grap nic access before accessing periphery registers. Signed-off-by: Tomas Winkler Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index c5b104fd14..f3d139b663 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -241,9 +241,11 @@ static void iwl5000_nic_config(struct iwl_priv *priv) * (PCIe power is lost before PERST# is asserted), * causing ME FW to lose ownership and not being able to obtain it back. */ - iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, + iwl_grab_nic_access(priv); + iwl_set_bits_mask_prph(priv, APMG_PS_CTRL_REG, APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS, ~APMG_PS_CTRL_EARLY_PWR_OFF_RESET_DIS); + iwl_release_nic_access(priv); spin_unlock_irqrestore(&priv->lock, flags); }