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: 12665103 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 91E4AC4332F for ; Wed, 8 Dec 2021 19:21:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234419AbhLHTZR (ORCPT ); Wed, 8 Dec 2021 14:25:17 -0500 Received: from mxout04.lancloud.ru ([45.84.86.114]:33734 "EHLO mxout04.lancloud.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239919AbhLHTY5 (ORCPT ); Wed, 8 Dec 2021 14:24:57 -0500 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) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.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;