From patchwork Wed Sep 7 14:58:05 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yongjun X-Patchwork-Id: 603611 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 3F3EBC6FA8B for ; Wed, 7 Sep 2022 14:41:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229636AbiIGOlF (ORCPT ); Wed, 7 Sep 2022 10:41:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35628 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229725AbiIGOkj (ORCPT ); Wed, 7 Sep 2022 10:40:39 -0400 Received: from dggsgout11.his.huawei.com (dggsgout11.his.huawei.com [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5037B5A15F; Wed, 7 Sep 2022 07:40:38 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.30.67.143]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4MN4dM2gcBzl7sW; Wed, 7 Sep 2022 22:39:03 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.102.38]) by APP2 (Coremail) with SMTP id Syh0CgBH53BgrRhjhP0EAg--.26935S5; Wed, 07 Sep 2022 22:40:34 +0800 (CST) From: Wei Yongjun To: Kumaravel Thiagarajan , Arnd Bergmann , Greg Kroah-Hartman Cc: Wei Yongjun , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH -next v2 2/5] misc: microchip: pci1xxxx: Fix missing spin_lock_init() Date: Wed, 7 Sep 2022 14:58:05 +0000 Message-Id: <20220907145808.1789249-2-weiyongjun@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220907145808.1789249-1-weiyongjun@huaweicloud.com> References: <20220907145808.1789249-1-weiyongjun@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: Syh0CgBH53BgrRhjhP0EAg--.26935S5 X-Coremail-Antispam: 1UD129KBjvdXoW7Gw4kWryxGryfZry8Kr1Utrb_yoWkJrbE93 45Xr13XrWDKFyvyw42yrsrZr48Kws2vrykW3Zxtr98A342yrn3Grs5Jwn8JryfWrnrAF9r Arn7ur10yr13KjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbsAYFVCjjxCrM7AC8VAFwI0_Gr0_Xr1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_JrI_JrWl1IIY67AEw4v_Jr0_Jr4l82xGYIkIc2x26280x7IE14v26r18M2 8IrcIa0xkI8VCY1x0267AKxVWUCVW8JwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK 021l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26F 4j6r4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwVC2z280aVCY1x0267AKxVW0 oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7V C0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j 6r4UM4x0Y48IcxkI7VAKI48JMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r 4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF 67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2I x0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2 z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnU UI43ZEXa7IU1X_-DUUUUU== X-CM-SenderInfo: 5zhl50pqjm3046kxt4xhlfz01xgou0bp/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Wei Yongjun The driver allocates the spinlock but not initialize it. Use spin_lock_init() on it to initialize it correctly. Fixes: 7d3e4d807df2 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.") Signed-off-by: Wei Yongjun --- v1 -> v2: add fixes tag --- drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c index 230503cca2ff..47e6e87938ae 100644 --- a/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c +++ b/drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c @@ -383,6 +383,7 @@ static int pci1xxxx_gpio_probe(struct auxiliary_device *aux_dev, if (!priv) return -ENOMEM; + spin_lock_init(&priv->lock); priv->aux_dev = aux_dev; if (!devm_request_mem_region(&aux_dev->dev, pdata->region_start, 0x800, aux_dev->name))