From patchwork Wed Dec 8 19:21:09 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sergey Shtylyov X-Patchwork-Id: 12695406 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 059FDC433F5 for ; Wed, 8 Dec 2021 19:23:59 +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:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=BqVeklzLsCeMbpHQ3EIN+wwzkICCFgHpDp2+7lxn2UQ=; b=UMNmZwnhXCWCCs ihhFlqkpjoomSFr87mND7cTlFwk38UQC9jmOL8As3BwuPcV9BCQPKfj7+FLPcXIyfX1PGDcz3gIMi S+BJZZAISDb7QJbtcp0RyiCRCitBTV5c4Zu9SvN7y3RH6ZuyzioiKkYFAp5kxvLJoXW/ltZbFb55B BV+xuNDCE936gwlMejZUhrCL6LsZ8k5roBawyVkmRQotEISAZY6oOb+gnnoxcbXYCdLWr+DQqRsjL HaTZ9w9cFHQT92fEKNRaG26FBUfjU8Q4z8+sgwL7/WyqmNfvVhmTkDxwQifg211dsZZcTKzDDNnu9 BeH+C3X2RHBkBoG9+scA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mv2WW-00E13N-Nc; Wed, 08 Dec 2021 19:22:41 +0000 Received: from mxout04.lancloud.ru ([45.84.86.114]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mv2VQ-00E0K8-Vb for linux-arm-kernel@lists.infradead.org; Wed, 08 Dec 2021 19:21:36 +0000 Received: from LanCloud DKIM-Filter: OpenDKIM Filter v2.11.0 mxout04.lancloud.ru A1A1B20A77AD Received: from LanCloud Received: from LanCloud Received: from LanCloud From: Sergey Shtylyov To: , Greg Kroah-Hartman , Felipe Balbi CC: Kevin Cernekee , Florian Fainelli , , Subject: [PATCH v2 01/10] usb: gadget: udc: bcm63xx: fix deferred probing Date: Wed, 8 Dec 2021 22:21:09 +0300 Message-ID: <20211208192118.7483-2-s.shtylyov@omp.ru> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20211208192118.7483-1-s.shtylyov@omp.ru> References: <20211208192118.7483-1-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-20211208_112133_235143_D4BD4563 X-CRM114-Status: GOOD ( 13.29 ) 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: , 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 returned by platform_get_irq() to -ENXIO for some strange reason, 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. Fixes: 613065e53cb1 ("usb: gadget: bcm63xx UDC driver") Signed-off-by: Sergey Shtylyov --- drivers/usb/gadget/udc/bcm63xx_udc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/udc/bcm63xx_udc.c b/drivers/usb/gadget/udc/bcm63xx_udc.c index a9f07c59fc37..2cdb07905bde 100644 --- a/drivers/usb/gadget/udc/bcm63xx_udc.c +++ b/drivers/usb/gadget/udc/bcm63xx_udc.c @@ -2321,8 +2321,10 @@ static int bcm63xx_udc_probe(struct platform_device *pdev) /* IRQ resource #0: control interrupt (VBUS, speed, etc.) */ irq = platform_get_irq(pdev, 0); - if (irq < 0) + if (irq < 0) { + rc = irq; goto out_uninit; + } if (devm_request_irq(dev, irq, &bcm63xx_udc_ctrl_isr, 0, dev_name(dev), udc) < 0) goto report_request_failure; @@ -2330,8 +2332,10 @@ static int bcm63xx_udc_probe(struct platform_device *pdev) /* IRQ resources #1-6: data interrupts for IUDMA channels 0-5 */ for (i = 0; i < BCM63XX_NUM_IUDMA; i++) { irq = platform_get_irq(pdev, i + 1); - if (irq < 0) + if (irq < 0) { + rc = irq; goto out_uninit; + } if (devm_request_irq(dev, irq, &bcm63xx_udc_data_isr, 0, dev_name(dev), &udc->iudma[i]) < 0) goto report_request_failure;