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Miller" , Jakub Kicinski , Aviad Brikman , Eliav Farber , Oleksandr Savchenko , Shay Bar , Viktor Barna Subject: [RFC v1 220/256] cl8k: add utils/file.c Date: Thu, 17 Jun 2021 16:01:47 +0000 Message-Id: <20210617160223.160998-221-viktor.barna@celeno.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210617160223.160998-1-viktor.barna@celeno.com> References: <20210617160223.160998-1-viktor.barna@celeno.com> X-Originating-IP: [62.216.42.54] X-ClientProxiedBy: PR3PR09CA0018.eurprd09.prod.outlook.com (2603:10a6:102:b7::23) To AM9P192MB1412.EURP192.PROD.OUTLOOK.COM (2603:10a6:20b:38b::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (62.216.42.54) by PR3PR09CA0018.eurprd09.prod.outlook.com (2603:10a6:102:b7::23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4242.18 via Frontend Transport; Thu, 17 Jun 2021 16:06:39 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b7ef0805-626f-45fc-dbb9-08d931a9e467 X-MS-TrafficTypeDiagnostic: AM0P192MB0452: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:826; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM9P192MB1412.EURP192.PROD.OUTLOOK.COM;PTR:;CAT:NONE;SFS:(376002)(366004)(346002)(136003)(396003)(39850400004)(66946007)(66556008)(54906003)(9686003)(6512007)(16526019)(36756003)(107886003)(8676002)(66476007)(4326008)(26005)(316002)(6486002)(6666004)(8936002)(86362001)(186003)(1076003)(2906002)(2616005)(38100700002)(38350700002)(6916009)(956004)(55236004)(52116002)(508600001)(6506007)(5660300002)(83380400001)(69590400013)(32563001);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: celeno.com X-MS-Exchange-CrossTenant-Network-Message-Id: b7ef0805-626f-45fc-dbb9-08d931a9e467 X-MS-Exchange-CrossTenant-AuthSource: AM9P192MB1412.EURP192.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Jun 2021 16:06:40.2823 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: f313103b-4c9f-4fd3-b5cf-b97f91c4afa8 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: xtXVNZbBWdoEKdTgKofR21vc0Y7Q3FrEzvZYSynMReMMI+AK95MxXiaHerx5AsHcnulMRgZsHYUCinNHjV3Mxg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0P192MB0452 Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Viktor Barna (Part of the split. Please, take a look at the cover letter for more details). Signed-off-by: Viktor Barna --- drivers/net/wireless/celeno/cl8k/utils/file.c | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 drivers/net/wireless/celeno/cl8k/utils/file.c -- 2.30.0 diff --git a/drivers/net/wireless/celeno/cl8k/utils/file.c b/drivers/net/wireless/celeno/cl8k/utils/file.c new file mode 100644 index 000000000000..b42d78f386e4 --- /dev/null +++ b/drivers/net/wireless/celeno/cl8k/utils/file.c @@ -0,0 +1,52 @@ +// SPDX-License-Identifier: MIT +/* Copyright(c) 2019-2021, Celeno Communications Ltd. */ + +#include "utils/file.h" +#include "reg/reg_access.h" +#include +#include +#include + +size_t cl_file_open_and_read(struct cl_chip *chip, const char *filename, + char **buf) +{ + const struct firmware *fw; + size_t size = 0; + int ret = 0; + char path_name[CL_PATH_MAX] = {0}; + + snprintf(path_name, sizeof(path_name), "cl8k/%s", filename); + ret = request_firmware(&fw, path_name, chip->dev); + + if (ret) { + cl_dbg_chip_err(chip, "request_firmware %s failed\n", + path_name); + return 0; + } + + if (!fw || !fw->data) { + cl_dbg_chip_err(chip, "Invalid firmware %s\n", path_name); + goto out; + } + + size = fw->size; + + /* + * Add one byte with a '\0' so that string manipulation functions + * used for parsing these files can find the string '\0' terminator. + * Make sure size is aligned to 4. + */ + *buf = kzalloc(ALIGN(size + 1, 4), GFP_KERNEL); + if (!(*buf)) { + size = 0; + goto out; + } + + memcpy(*buf, fw->data, size); + +out: + release_firmware(fw); + + return size; +} +