From patchwork Tue Aug 22 11:18:31 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jinjie Ruan X-Patchwork-Id: 715961 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 318E4EE4993 for ; Tue, 22 Aug 2023 11:19:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234654AbjHVLTE (ORCPT ); Tue, 22 Aug 2023 07:19:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47454 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233821AbjHVLTE (ORCPT ); Tue, 22 Aug 2023 07:19:04 -0400 Received: from szxga08-in.huawei.com (szxga08-in.huawei.com [45.249.212.255]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 29D491BE for ; Tue, 22 Aug 2023 04:19:02 -0700 (PDT) Received: from kwepemi500008.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4RVRdm109sz1L9PJ; Tue, 22 Aug 2023 19:17:32 +0800 (CST) Received: from huawei.com (10.90.53.73) by kwepemi500008.china.huawei.com (7.221.188.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.31; Tue, 22 Aug 2023 19:18:59 +0800 From: Jinjie Ruan To: , , CC: Subject: [PATCH -next v2 1/2] media: cx231xx: Add BUF_SIZE and TIMEOUT_MS macros Date: Tue, 22 Aug 2023 19:18:31 +0800 Message-ID: <20230822111832.822367-2-ruanjinjie@huawei.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230822111832.822367-1-ruanjinjie@huawei.com> References: <20230822111832.822367-1-ruanjinjie@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.90.53.73] X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemi500008.china.huawei.com (7.221.188.139) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Define BUF_SIZE and TIMEOUT_MS macros to make the code more readable. Signed-off-by: Jinjie Ruan Suggested-by: Andrzej Pietrasiewicz --- drivers/media/usb/cx231xx/cx231xx-core.c | 8 ++++---- drivers/media/usb/cx231xx/cx231xx.h | 3 +++ 2 files changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/media/usb/cx231xx/cx231xx-core.c b/drivers/media/usb/cx231xx/cx231xx-core.c index 727e6268567f..ce9e72b9b052 100644 --- a/drivers/media/usb/cx231xx/cx231xx-core.c +++ b/drivers/media/usb/cx231xx/cx231xx-core.c @@ -751,13 +751,13 @@ int cx231xx_ep5_bulkout(struct cx231xx *dev, u8 *firmware, u16 size) int ret = -ENOMEM; u32 *buffer; - buffer = kzalloc(4096, GFP_KERNEL); + buffer = kzalloc(BUF_SIZE, GFP_KERNEL); if (buffer == NULL) return -ENOMEM; - memcpy(&buffer[0], firmware, 4096); + memcpy(&buffer[0], firmware, BUF_SIZE); ret = usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 5), - buffer, 4096, &actlen, 2000); + buffer, BUF_SIZE, &actlen, TIMEOUT_MS); if (ret) dev_err(dev->dev, @@ -994,7 +994,7 @@ int cx231xx_init_isoc(struct cx231xx *dev, int max_packets, /* De-allocates all pending stuff */ cx231xx_uninit_isoc(dev); - dma_q->p_left_data = kzalloc(4096, GFP_KERNEL); + dma_q->p_left_data = kzalloc(BUF_SIZE, GFP_KERNEL); if (dma_q->p_left_data == NULL) return -ENOMEM; diff --git a/drivers/media/usb/cx231xx/cx231xx.h b/drivers/media/usb/cx231xx/cx231xx.h index 6929e4d97067..e09462254685 100644 --- a/drivers/media/usb/cx231xx/cx231xx.h +++ b/drivers/media/usb/cx231xx/cx231xx.h @@ -120,6 +120,9 @@ #define CX23417_OSC_EN 8 #define CX23417_RESET 9 +#define BUF_SIZE 4096 +#define TIMEOUT_MS 2000 + struct cx23417_fmt { u32 fourcc; /* v4l2 format id */ int depth;