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path: root/drivers/net/wireless/iwlwifi/iwl-agn.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 8198e14b8fad..da0b38e866ba 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1934,19 +1934,17 @@ static void __iwl_down(struct iwl_priv *priv)
/* device going down, Stop using ICT table */
iwl_disable_ict(priv);
- spin_lock_irqsave(&priv->lock, flags);
- iwl_clear_bit(priv, CSR_GP_CNTRL,
- CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
- spin_unlock_irqrestore(&priv->lock, flags);
iwl_txq_ctx_stop(priv);
iwl_rxq_stop(priv);
- iwl_write_prph(priv, APMG_CLK_DIS_REG,
- APMG_CLK_VAL_DMA_CLK_RQT);
-
+ /* Power-down device's busmaster DMA clocks */
+ iwl_write_prph(priv, APMG_CLK_DIS_REG, APMG_CLK_VAL_DMA_CLK_RQT);
udelay(5);
+ /* Make sure (redundant) we've released our request to stay awake */
+ iwl_clear_bit(priv, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ);
+
/* Stop the device, and put it in low power state */
priv->cfg->ops->lib->apm_ops.stop(priv);