From patchwork Fri Nov 19 17:37:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 518817 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 59BBCC433F5 for ; Fri, 19 Nov 2021 17:37:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 34A7A61A3A for ; Fri, 19 Nov 2021 17:37:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236705AbhKSRkV (ORCPT ); Fri, 19 Nov 2021 12:40:21 -0500 Received: from mga18.intel.com ([134.134.136.126]:43417 "EHLO mga18.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236677AbhKSRkV (ORCPT ); Fri, 19 Nov 2021 12:40:21 -0500 X-IronPort-AV: E=McAfee;i="6200,9189,10173"; a="221334105" X-IronPort-AV: E=Sophos;i="5.87,248,1631602800"; d="scan'208";a="221334105" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Nov 2021 09:37:19 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.87,248,1631602800"; d="scan'208";a="673288702" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga005.jf.intel.com with ESMTP; 19 Nov 2021 09:37:17 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 34247FD; Fri, 19 Nov 2021 19:37:21 +0200 (EET) From: Andy Shevchenko To: Mark Brown , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v1 1/2] spi: deduplicate spi_match_id() in __spi_register_driver() Date: Fri, 19 Nov 2021 19:37:17 +0200 Message-Id: <20211119173718.52938-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.33.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org The same logic is used in spi_match_id() and in the __spi_register_driver(). By switching the former from taking struct spi_device * to const char * as the second parameter we may deduplicate the code. Signed-off-by: Andy Shevchenko --- drivers/spi/spi.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index b23e675953e1..dfa06103150e 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -315,11 +315,10 @@ static void spi_statistics_add_transfer_stats(struct spi_statistics *stats, * and the sysfs version makes coldplug work too. */ -static const struct spi_device_id *spi_match_id(const struct spi_device_id *id, - const struct spi_device *sdev) +static const struct spi_device_id *spi_match_id(const struct spi_device_id *id, const char *name) { while (id->name[0]) { - if (!strcmp(sdev->modalias, id->name)) + if (!strcmp(name, id->name)) return id; id++; } @@ -330,7 +329,7 @@ const struct spi_device_id *spi_get_device_id(const struct spi_device *sdev) { const struct spi_driver *sdrv = to_spi_driver(sdev->dev.driver); - return spi_match_id(sdrv->id_table, sdev); + return spi_match_id(sdrv->id_table, sdev->modalias); } EXPORT_SYMBOL_GPL(spi_get_device_id); @@ -352,7 +351,7 @@ static int spi_match_device(struct device *dev, struct device_driver *drv) return 1; if (sdrv->id_table) - return !!spi_match_id(sdrv->id_table, spi); + return !!spi_match_id(sdrv->id_table, spi->modalias); return strcmp(spi->modalias, drv->name) == 0; } @@ -474,12 +473,8 @@ int __spi_register_driver(struct module *owner, struct spi_driver *sdrv) if (sdrv->id_table) { const struct spi_device_id *spi_id; - for (spi_id = sdrv->id_table; spi_id->name[0]; - spi_id++) - if (strcmp(spi_id->name, of_name) == 0) - break; - - if (spi_id->name[0]) + spi_id = spi_match_id(sdrv->id_table, of_name); + if (!spi_id) continue; } else { if (strcmp(sdrv->driver.name, of_name) == 0)