From patchwork Mon Aug 10 11:20:57 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maulik Shah X-Patchwork-Id: 11707335 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 08C3B13B1 for ; Mon, 10 Aug 2020 11:23:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E4AFF2073A for ; Mon, 10 Aug 2020 11:23:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=mg.codeaurora.org header.i=@mg.codeaurora.org header.b="ZuJiY8YY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726641AbgHJLXC (ORCPT ); Mon, 10 Aug 2020 07:23:02 -0400 Received: from mail29.static.mailgun.info ([104.130.122.29]:57707 "EHLO mail29.static.mailgun.info" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726584AbgHJLVu (ORCPT ); Mon, 10 Aug 2020 07:21:50 -0400 DKIM-Signature: a=rsa-sha256; v=1; c=relaxed/relaxed; d=mg.codeaurora.org; q=dns/txt; s=smtp; t=1597058510; h=References: In-Reply-To: Message-Id: Date: Subject: Cc: To: From: Sender; bh=AxvoBcWG8EXvjruIo9s4TgmENSIrz3k6NXBlzZX8t80=; b=ZuJiY8YYwpFF1iv0rqsXq47iFrOF64jeFBcCKze4UsFu5Jdbu0HqDzBLjSBEEJp/OhSxjxAT 4t00yKiaOSRNzmH1+WihaHKKY+6pbrCtFLV0OTt55McoxjwCaW6zhJu30M/ID9OvKYglQxwH ngz9Sc7J2+SO8oDoNFApBeXkSGM= X-Mailgun-Sending-Ip: 104.130.122.29 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 smtp-out-n06.prod.us-west-2.postgun.com with SMTP id 5f312dc3d96d28d61e00cb62 (version=TLS1.2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256); Mon, 10 Aug 2020 11:21:39 GMT Received: by smtp.codeaurora.org (Postfix, from userid 1001) id E2524C433CA; Mon, 10 Aug 2020 11:21:39 +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 (unknown [202.46.22.19]) (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 3B33EC433C6; Mon, 10 Aug 2020 11:21:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 3B33EC433C6 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: bjorn.andersson@linaro.org, maz@kernel.org, linus.walleij@linaro.org, swboyd@chromium.org, evgreen@chromium.org, mka@chromium.org Cc: linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-gpio@vger.kernel.org, agross@kernel.org, tglx@linutronix.de, jason@lakedaemon.net, dianders@chromium.org, rnayak@codeaurora.org, ilina@codeaurora.org, lsrao@codeaurora.org, Maulik Shah Subject: [PATCH v4 4/7] genirq: introduce irq_suspend_parent() and irq_resume_parent() Date: Mon, 10 Aug 2020 16:50:57 +0530 Message-Id: <1597058460-16211-5-git-send-email-mkshah@codeaurora.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1597058460-16211-1-git-send-email-mkshah@codeaurora.org> References: <1597058460-16211-1-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 From: Douglas Anderson This goes with the new irq_suspend_one() and irq_resume_one() callbacks and allow us to easily pass things up to our parent. Signed-off-by: Douglas Anderson Signed-off-by: Maulik Shah --- include/linux/irq.h | 2 ++ kernel/irq/chip.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/include/linux/irq.h b/include/linux/irq.h index 8d37b32..4188f50 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -679,6 +679,8 @@ extern int irq_chip_set_affinity_parent(struct irq_data *data, const struct cpumask *dest, bool force); extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on); +extern void irq_chip_suspend_one_parent(struct irq_data *data); +extern void irq_chip_resume_one_parent(struct irq_data *data); extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data, void *vcpu_info); extern int irq_chip_set_type_parent(struct irq_data *data, unsigned int type); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index caf80c1..5039311 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -1519,6 +1519,34 @@ int irq_chip_set_wake_parent(struct irq_data *data, unsigned int on) EXPORT_SYMBOL_GPL(irq_chip_set_wake_parent); /** + * irq_chip_suspend_one_parent - Call irq_suspend_one() on our parent. + * @data: Pointer to interrupt specific data + * + * Conditional, as the underlying parent chip might not implement it. + */ +void irq_chip_suspend_one_parent(struct irq_data *data) +{ + data = data->parent_data; + if (data->chip->irq_suspend_one) + data->chip->irq_suspend_one(data); +} +EXPORT_SYMBOL_GPL(irq_chip_suspend_one_parent); + +/** + * irq_chip_resume_one_parent - Call irq_resume_one() on our parent. + * @data: Pointer to interrupt specific data + * + * Conditional, as the underlying parent chip might not implement it. + */ +void irq_chip_resume_one_parent(struct irq_data *data) +{ + data = data->parent_data; + if (data->chip->irq_resume_one) + data->chip->irq_resume_one(data); +} +EXPORT_SYMBOL_GPL(irq_chip_resume_one_parent); + +/** * irq_chip_request_resources_parent - Request resources on the parent interrupt * @data: Pointer to interrupt specific data */