From patchwork Fri Dec 10 20:46:30 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Shtylyov X-Patchwork-Id: 12695712 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7AD16C433EF for ; Fri, 10 Dec 2021 20:48:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Ne5WKZLdaI5IbxHcXEV3SfnCrEICDfO3aSAW+vsCOws=; b=jBcZsqFZOV8j1u 5PsfQU6R5hLVHpoF+tiWSXwMuBAFQ+Y9WuZ1aQ9Bg9vvXAJKhMtYA23/0IBrZdiiWwLB77gUAg5N0 JNjG+uJFWpg1BfVS33lI1gyrCJqlxTW3jBnqWrn11zJWYggm+BfzLSXVlE6sSiS6JPcW12APGD/2E YAQ2DeNo1t3UYLbe7mKQZNaXhHlakCS7BEQc2vKFrqrPP9PrGsedQ20LwgneFVhJDwsZAWxyucWAd BNA3Wfo/FmGwk4dH04tsJ9u2EMdV01ZCZXQVvJoqDE+ZA2hykrmQ2g6LY8pFOWQPeHwRyMETLLEWV Z3LSOPsP6mODIQW1aDTg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvmmy-003mkv-FC; Fri, 10 Dec 2021 20:46:44 +0000 Received: from mxout03.lancloud.ru ([45.84.86.113]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mvmmu-003mjj-Bz for linux-arm-kernel@lists.infradead.org; Fri, 10 Dec 2021 20:46:42 +0000 Received: from LanCloud DKIM-Filter: OpenDKIM Filter v2.11.0 mxout03.lancloud.ru 10556208D329 Received: from LanCloud Received: from LanCloud Received: from LanCloud From: Sergey Shtylyov To: , Greg Kroah-Hartman , Alan Stern Subject: [PATCH v3 2/6] usb: host: ehci-atmel: fix deferred probing Date: Fri, 10 Dec 2021 23:46:30 +0300 Message-ID: <20211210204634.8182-3-s.shtylyov@omp.ru> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20211210204634.8182-1-s.shtylyov@omp.ru> References: <20211210204634.8182-1-s.shtylyov@omp.ru> MIME-Version: 1.0 X-Originating-IP: [192.168.11.198] X-ClientProxiedBy: LFEXT01.lancloud.ru (fd00:f066::141) To LFEX1907.lancloud.ru (fd00:f066::207) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211210_124640_617545_78E40977 X-CRM114-Status: GOOD ( 14.13 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexandre Belloni , Ludovic Desroches , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The driver overrides the error codes and IRQ0 returned by platform_get_irq() to -ENODEV, so if it returns -EPROBE_DEFER, the driver will fail the probe permanently instead of the deferred probing. Switch to propagating the error codes upstream. IRQ0 is no longer returned by platform_get_irq(), so we now can safely ignore it... Fixes: 9ec36cafe43b ("of/irq: do irq resolution in platform_get_irq") Signed-off-by: Sergey Shtylyov Acked-by: Alan Stern Acked-by: Nicolas Ferre --- Changes in version 3: - corrected the "Fixes:" tag; - added Alan's ACK. Changes in version 2: - removed the check for IRQ0, updated the patch description accordingly. drivers/usb/host/ehci-atmel.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/host/ehci-atmel.c b/drivers/usb/host/ehci-atmel.c index 05d41fd65f25..bc3fdb588e6b 100644 --- a/drivers/usb/host/ehci-atmel.c +++ b/drivers/usb/host/ehci-atmel.c @@ -104,8 +104,8 @@ static int ehci_atmel_drv_probe(struct platform_device *pdev) pr_debug("Initializing Atmel-SoC USB Host Controller\n"); irq = platform_get_irq(pdev, 0); - if (irq <= 0) { - retval = -ENODEV; + if (irq < 0) { + retval = irq; goto fail_create_hcd; }