Return-path: Received: from mail-ee0-f52.google.com ([74.125.83.52]:65430 "EHLO mail-ee0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753925Ab3LaRQL (ORCPT ); Tue, 31 Dec 2013 12:16:11 -0500 Received: by mail-ee0-f52.google.com with SMTP id d17so5624912eek.11 for ; Tue, 31 Dec 2013 09:16:10 -0800 (PST) From: Emmanuel Grumbach To: linux-wireless@vger.kernel.org Cc: Emmanuel Grumbach Subject: [PATCH 06/28] iwlwifi: pcie: determine the interrupt type in the handler Date: Tue, 31 Dec 2013 19:15:35 +0200 Message-Id: <1388510157-23345-6-git-send-email-egrumbach@gmail.com> (sfid-20131231_181619_318436_87338530) In-Reply-To: <52C2FB68.2010708@gmail.com> References: <52C2FB68.2010708@gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: From: Emmanuel Grumbach Instead of having: iwl_pcie_irq_handler iwl_pcie_isr_ict iwl_pcie_isr_non_ict we now have: iwl_pcie_irq_handler: if (use_ict)) iwl_pcie_int_cause_ict; else iwl_pcie_int_cause_non_ict; This is much clearer. Signed-off-by: Emmanuel Grumbach --- drivers/net/wireless/iwlwifi/pcie/rx.c | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/pcie/rx.c b/drivers/net/wireless/iwlwifi/pcie/rx.c index 5044fbd..58d3f64 100644 --- a/drivers/net/wireless/iwlwifi/pcie/rx.c +++ b/drivers/net/wireless/iwlwifi/pcie/rx.c @@ -807,8 +807,7 @@ static void iwl_pcie_irq_handle_error(struct iwl_trans *trans) wake_up(&trans_pcie->wait_command_queue); } -/* legacy (non-ICT) ISR. Assumes that trans_pcie->irq_lock is held */ -static irqreturn_t iwl_pcie_isr_non_ict(struct iwl_trans *trans) +static irqreturn_t iwl_pcie_int_cause_non_ict(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); u32 inta; @@ -876,7 +875,7 @@ static irqreturn_t iwl_pcie_isr_non_ict(struct iwl_trans *trans) * the interrupt we need to service, driver will set the entries back to 0 and * set index. */ -static irqreturn_t iwl_pcie_isr_ict(struct iwl_trans *trans) +static irqreturn_t iwl_pcie_int_cause_ict(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); irqreturn_t ret; @@ -884,14 +883,6 @@ static irqreturn_t iwl_pcie_isr_ict(struct iwl_trans *trans) u32 val = 0; u32 read; - /* dram interrupt table not set yet, - * use legacy interrupt. - */ - if (unlikely(!trans_pcie->use_ict)) { - ret = iwl_pcie_isr_non_ict(trans); - return ret; - } - trace_iwlwifi_dev_irq(trans->dev); /* Ignore interrupt if there's nothing in NIC to service. @@ -977,7 +968,14 @@ irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id) spin_lock_irqsave(&trans_pcie->irq_lock, flags); - ret = iwl_pcie_isr_ict(trans); + /* dram interrupt table not set yet, + * use legacy interrupt. + */ + if (likely(trans_pcie->use_ict)) + ret = iwl_pcie_int_cause_ict(trans); + else + ret = iwl_pcie_int_cause_non_ict(trans); + if (ret != IRQ_WAKE_THREAD) { spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); return ret; -- 1.7.9.5