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Commit 2d3db679 authored by Tomas Winkler's avatar Tomas Winkler Committed by John W. Linville
Browse files

iwlwifi: grap nic access before accessing periphery registers 



We need to grap nic access before accessing periphery registers.

Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarZhu Yi <yi.zhu@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 14652562

drivers/net/wireless/iwlwifi/iwl-5000.c

+3 −1
Original line number Diff line number Diff line
@@ -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_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);

}