From patchwork Fri Sep 9 16:20:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Chanudet X-Patchwork-Id: 12971963 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0BBF4ECAAA1 for ; Fri, 9 Sep 2022 16:22:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230432AbiIIQWa (ORCPT ); Fri, 9 Sep 2022 12:22:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230115AbiIIQW3 (ORCPT ); Fri, 9 Sep 2022 12:22:29 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0527134624 for ; Fri, 9 Sep 2022 09:22:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1662740547; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=QWVzTB7DhyDS1w2QS4cDTPYpzzqRPNqjM1zAYKWvkqk=; b=Aqt7zifyd+g9X9exLj62xGz9GcR2o+LE8zfyYtEiwsaNpdUfcNnYriL8ZNyBpl8BidSv6l 4IUEKnPypHNTBxxW5fnFh7x4YLycyZn1Ipq/729wgkYjbK++yc8jKKW6udpIz7cI+q6FbN P5dtcnN0A+2d0l3q3akAYC+MWTh51wA= Received: from mail-qt1-f200.google.com (mail-qt1-f200.google.com [209.85.160.200]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_128_GCM_SHA256) id us-mta-658-S2rf2CQ_N0Gyx6-Fg4HF8g-1; Fri, 09 Sep 2022 12:22:26 -0400 X-MC-Unique: S2rf2CQ_N0Gyx6-Fg4HF8g-1 Received: by mail-qt1-f200.google.com with SMTP id fx6-20020a05622a4ac600b0035a70ba1cbcso1894370qtb.21 for ; Fri, 09 Sep 2022 09:22:26 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date; bh=QWVzTB7DhyDS1w2QS4cDTPYpzzqRPNqjM1zAYKWvkqk=; b=NniHRmoDU1LTr148CMqy6PSh5o7qCN/JMWxGEJKdgxD1j++vLdRM7p4TLG7feBzduS VPSeTdra/38RXu3UvBSd+uKHD9/1FPf/2u0adATzOWh+uk75UYKPWANr8kO5GTNPXkWr Psn0OqQCnCDfF+lA0gQNw+55Xl7Crgie+2ec5s3Do3GTfBfWa0C1dvZGuaXoeyVpy6Ab KU1bqpLSyJO0W0S2rkN75p5egZS2RyjhpaXh8b0NIaYTgD9IsoZCfLc+TLSHPscewdjs MK8nLSxknMjJHpKDBJ1kypWsdwtM1D+Trw9Qt9XNLZREgL19yG+DLJZTqBWqiPoF5cFv 6iDw== X-Gm-Message-State: ACgBeo2NiDubZWnu8/dzKukAuyr0LVN81i6ZWfmJeMcL+iZx6OjXMIrv mZv/Ka/ZtLLB5RcL9GpHgSOUznMBGXO6Far/SdaTzO93PlMi8d/qXb5IzNkPG65SgU8I97V4zIV Z0DZ/IF0Xr0sYr+cCkMVoNES2xw== X-Received: by 2002:ac8:5753:0:b0:344:7fb3:3fa4 with SMTP id 19-20020ac85753000000b003447fb33fa4mr13376488qtx.504.1662740544682; Fri, 09 Sep 2022 09:22:24 -0700 (PDT) X-Google-Smtp-Source: AA6agR7hAW+s8f9b2oeDvYgHufQE+ib/CEkDy6knsDMA34gr6nCl29JT4WooLEDoRT/Y5hac315yKA== X-Received: by 2002:ac8:5753:0:b0:344:7fb3:3fa4 with SMTP id 19-20020ac85753000000b003447fb33fa4mr13376467qtx.504.1662740544446; Fri, 09 Sep 2022 09:22:24 -0700 (PDT) Received: from localhost (pool-100-0-210-47.bstnma.fios.verizon.net. [100.0.210.47]) by smtp.gmail.com with ESMTPSA id g15-20020ac87f4f000000b00342e86b3bdasm833619qtk.12.2022.09.09.09.22.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Sep 2022 09:22:23 -0700 (PDT) From: Eric Chanudet To: Andy Gross , Bjorn Andersson , Manivannan Sadhasivam , Jassi Brar Cc: linux-arm-msm@vger.kernel.org, linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, Eric Chanudet Subject: [PATCH] mailbox: qcom-ipcc: Use generic_handle_irq_safe() Date: Fri, 9 Sep 2022 12:20:43 -0400 Message-Id: <20220909162043.2734873-1-echanude@redhat.com> X-Mailer: git-send-email 2.37.3 MIME-Version: 1.0 Content-type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org PREEMPT_RT forces qcom-ipcc's handler to be threaded with interrupts enabled, which triggers a warning in __handle_irq_event_percpu(). Use generic_handle_irq_safe() that can be called with or without interrupts enabled instead. Signed-off-by: Eric Chanudet --- drivers/mailbox/qcom-ipcc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mailbox/qcom-ipcc.c b/drivers/mailbox/qcom-ipcc.c index 31d58b7d55fe..be803f324a33 100644 --- a/drivers/mailbox/qcom-ipcc.c +++ b/drivers/mailbox/qcom-ipcc.c @@ -82,7 +82,7 @@ static irqreturn_t qcom_ipcc_irq_fn(int irq, void *data) virq = irq_find_mapping(ipcc->irq_domain, hwirq); writel(hwirq, ipcc->base + IPCC_REG_RECV_SIGNAL_CLEAR); - generic_handle_irq(virq); + generic_handle_irq_safe(virq); } return IRQ_HANDLED;