From: Nishant Sarmukadam Date: Fri, 8 Apr 2011 09:08:27 +0000 (+0530) Subject: mwl8k: interrupt handling changes X-Git-Tag: v3.0-rc2~7^2~16^2~427 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=12488e01fb2b06bb3f6ee137efc88e29d827817e;p=platform%2Fkernel%2Flinux-exynos.git mwl8k: interrupt handling changes We do not need to enable all the interrupts in mwl8k_probe_hw. We need to enable only MWL8K_A2H_INT_OPC_DONE interrupt for sending commands to the firmware. Keep the other interrupts masked in mwl8k_probe_hw. Also, in mwl8k_start, where we expect other interrupts, enable only those interrupts we are interested in. Signed-off-by: Nishant Sarmukadam Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index fb472f4..d241670 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -4284,6 +4284,8 @@ static int mwl8k_start(struct ieee80211_hw *hw) /* Enable interrupts */ iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); + iowrite32(MWL8K_A2H_EVENTS, + priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); rc = mwl8k_fw_lock(hw); if (!rc) { @@ -5282,7 +5284,8 @@ static int mwl8k_probe_hw(struct ieee80211_hw *hw) iowrite32(MWL8K_A2H_INT_TX_DONE|MWL8K_A2H_INT_RX_READY| MWL8K_A2H_INT_BA_WATCHDOG, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); - iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); + iowrite32(MWL8K_A2H_INT_OPC_DONE, + priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); rc = request_irq(priv->pdev->irq, mwl8k_interrupt, IRQF_SHARED, MWL8K_NAME, hw);