From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C4B5CC433F5 for ; Fri, 15 Oct 2021 13:37:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A819761056 for ; Fri, 15 Oct 2021 13:37:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239652AbhJONjR (ORCPT ); Fri, 15 Oct 2021 09:39:17 -0400 Received: from mx0a-001ae601.pphosted.com ([67.231.149.25]:21524 "EHLO mx0b-001ae601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S239957AbhJONih (ORCPT ); Fri, 15 Oct 2021 09:38:37 -0400 Received: from pps.filterd (m0077473.ppops.net [127.0.0.1]) by mx0a-001ae601.pphosted.com (8.16.1.2/8.16.1.2) with SMTP id 19F4c2t0023483; Fri, 15 Oct 2021 08:36:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=mYpyM5k5iTck7jZ9mZU5Jk8Bn9rAW8lHbmdBtXkem3Q=; b=Q8kJMzQFzuvw7zTSERpZSIOW0JPw3Uebt5+kI4US2yJdk23ShLT+BVS9tp5+EyWmFcps bZ/jI55LoChlZILqdfRzj0i37mpzC+58V77pZ3rAPk/wWqWqiR/RPv9bNNZWUCb+UMWA JM4eOXehJlpB8yZvvTeDhraj6a8IGeLl/r+/uaYA5Q7ihNf4xL842wWD4UXOSL48yiSP kZ74TiZ0Qx6uktM7+8e3AW0nf1Jc/3uZuUfawz/n32rsajRXhJ9ZIfOPzKRtVUrIZPoq 4NB25mUwLzjsqT2W8oR3caYTc5y7zTq6W6J5X+OkNHLj9Fu80DLISo+z+we3C+724dWp Ww== Received: from ediex01.ad.cirrus.com ([87.246.76.36]) by mx0a-001ae601.pphosted.com with ESMTP id 3bq1gagp5v-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Fri, 15 Oct 2021 08:36:25 -0500 Received: from EDIEX01.ad.cirrus.com (198.61.84.80) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Fri, 15 Oct 2021 14:36:23 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.2375.7 via Frontend Transport; Fri, 15 Oct 2021 14:36:23 +0100 Received: from AUSNPC0LSNW1-debian.cirrus.com (AUSNPC0LSNW1.ad.cirrus.com [198.61.65.254]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 2924A11D2; Fri, 15 Oct 2021 13:36:23 +0000 (UTC) From: Richard Fitzgerald To: CC: , , , Richard Fitzgerald Subject: [PATCH 05/16] ASoC: cs42l42: Defer probe if request_threaded_irq() returns EPROBE_DEFER Date: Fri, 15 Oct 2021 14:36:08 +0100 Message-ID: <20211015133619.4698-6-rf@opensource.cirrus.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20211015133619.4698-1-rf@opensource.cirrus.com> References: <20211015133619.4698-1-rf@opensource.cirrus.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Proofpoint-ORIG-GUID: bY2ytakBw6GEzcEmjJcndbZNwlZlg0xf X-Proofpoint-GUID: bY2ytakBw6GEzcEmjJcndbZNwlZlg0xf X-Proofpoint-Spam-Reason: safe Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The driver can run without an interrupt so if devm_request_threaded_irq() failed, the probe() just carried on. But if this was EPROBE_DEFER the driver would continue without an interrupt instead of deferring to wait for the interrupt to become available. Fixes: 2c394ca79604 ("ASoC: Add support for CS42L42 codec") Signed-off-by: Richard Fitzgerald --- sound/soc/codecs/cs42l42.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index c4efdc8f5d24..0ecf2129ea45 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -2053,8 +2053,9 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client, NULL, cs42l42_irq_thread, IRQF_ONESHOT | IRQF_TRIGGER_LOW, "cs42l42", cs42l42); - - if (ret != 0) + if (ret == -EPROBE_DEFER) + goto err_disable; + else if (ret != 0) dev_err(&i2c_client->dev, "Failed to request IRQ: %d\n", ret); -- 2.11.0