From patchwork Mon Feb 17 13:00:07 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maulik Shah X-Patchwork-Id: 11386325 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D8F481395 for ; Mon, 17 Feb 2020 13:01:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B6CD42064C for ; Mon, 17 Feb 2020 13:01:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="XcLoP/Ee" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726945AbgBQNBa (ORCPT ); Mon, 17 Feb 2020 08:01:30 -0500 Received: from mail27.static.mailgun.info ([104.130.122.27]:60566 "EHLO mail27.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728834AbgBQNBa (ORCPT ); Mon, 17 Feb 2020 08:01:30 -0500 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1581944489; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=sG89boOD+ZTEKtSXFwLkgYqnXxWQBkZUG4IMHwlHLA0=; b=XcLoP/EelScYnidhUH/1qj7Sxbgi9si3nnS9JdyTdYleFQQoqEHvSvEwCEA/gsX5c4kUYhJT gPaZqscCrzRcEQf4mlW756VyMEXWUGN/k84uwIY4owkoJk6ZRGHZkIFZQu1Mmna9nHElSs8f 4Dj/EW/07lyAPFBK4AvPxuyM/WE= X-Mailgun-Sending-Ip: 104.130.122.27 X-Mailgun-Sid: WyI1MzIzYiIsICJsaW51eC1hcm0tbXNtQHZnZXIua2VybmVsLm9yZyIsICJiZTllNGEiXQ== Received: from smtp.codeaurora.org (ec2-35-166-182-171.us-west-2.compute.amazonaws.com [35.166.182.171]) by mxa.mailgun.org with ESMTP id 5e4a8e9b.7f951dc650a0-smtp-out-n01; Mon, 17 Feb 2020 13:01:15 -0000 (UTC) Received: by smtp.codeaurora.org (Postfix, from userid 1001) id EADB3C433A2; Mon, 17 Feb 2020 13:01:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-caf-mail-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=2.0 tests=ALL_TRUSTED,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mkshah-linux.qualcomm.com (blr-c-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.19.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: mkshah) by smtp.codeaurora.org (Postfix) with ESMTPSA id 3FC22C4479D; Mon, 17 Feb 2020 13:01:10 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3FC22C4479D Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: aws-us-west-2-caf-mail-1.web.codeaurora.org; spf=none smtp.mailfrom=mkshah@codeaurora.org From: Maulik Shah To: swboyd@chromium.org, mka@chromium.org, evgreen@chromium.org, bjorn.andersson@linaro.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, agross@kernel.org, linus.walleij@linaro.org, tglx@linutronix.de, dianders@chromium.org, rnayak@codeaurora.org, ilina@codeaurora.org, lsrao@codeaurora.org, Maulik Shah Subject: [RFC 1/2] irqchip: qcom: pdc: Introduce irq_set_wake call Date: Mon, 17 Feb 2020 18:30:07 +0530 Message-Id: <1581944408-7656-2-git-send-email-mkshah@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1581944408-7656-1-git-send-email-mkshah@codeaurora.org> References: <1581944408-7656-1-git-send-email-mkshah@codeaurora.org> Sender: linux-arm-msm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Change the way interrupts get enabled at wakeup capable PDC irq chip. Introduce irq_set_wake call which lets interrupts enabled at PDC with enable_irq_wake and disabled with disable_irq_wake. Remove irq_disable and irq_enable calls which now will default to irq_mask and irq_unmask. Signed-off-by: Maulik Shah --- drivers/irqchip/qcom-pdc.c | 27 ++++++++++----------------- 1 file changed, 10 insertions(+), 17 deletions(-) diff --git a/drivers/irqchip/qcom-pdc.c b/drivers/irqchip/qcom-pdc.c index 6ae9e1f..145d4ae 100644 --- a/drivers/irqchip/qcom-pdc.c +++ b/drivers/irqchip/qcom-pdc.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 /* - * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved. + * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved. */ #include @@ -87,22 +87,17 @@ static void pdc_enable_intr(struct irq_data *d, bool on) raw_spin_unlock(&pdc_lock); } -static void qcom_pdc_gic_disable(struct irq_data *d) +static int qcom_pdc_gic_set_wake(struct irq_data *d, unsigned int on) { if (d->hwirq == GPIO_NO_WAKE_IRQ) - return; - - pdc_enable_intr(d, false); - irq_chip_disable_parent(d); -} + return 0; -static void qcom_pdc_gic_enable(struct irq_data *d) -{ - if (d->hwirq == GPIO_NO_WAKE_IRQ) - return; + if (on) + pdc_enable_intr(d, true); + else + pdc_enable_intr(d, false); - pdc_enable_intr(d, true); - irq_chip_enable_parent(d); + return irq_chip_set_wake_parent(d, on); } static void qcom_pdc_gic_mask(struct irq_data *d) @@ -197,15 +192,13 @@ static struct irq_chip qcom_pdc_gic_chip = { .irq_eoi = irq_chip_eoi_parent, .irq_mask = qcom_pdc_gic_mask, .irq_unmask = qcom_pdc_gic_unmask, - .irq_disable = qcom_pdc_gic_disable, - .irq_enable = qcom_pdc_gic_enable, .irq_get_irqchip_state = qcom_pdc_gic_get_irqchip_state, .irq_set_irqchip_state = qcom_pdc_gic_set_irqchip_state, .irq_retrigger = irq_chip_retrigger_hierarchy, .irq_set_type = qcom_pdc_gic_set_type, + .irq_set_wake = qcom_pdc_gic_set_wake, .flags = IRQCHIP_MASK_ON_SUSPEND | - IRQCHIP_SET_TYPE_MASKED | - IRQCHIP_SKIP_SET_WAKE, + IRQCHIP_SET_TYPE_MASKED, .irq_set_vcpu_affinity = irq_chip_set_vcpu_affinity_parent, .irq_set_affinity = irq_chip_set_affinity_parent, };