From patchwork Wed Feb 2 18:24:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 539505 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 4BCA1C433F5 for ; Wed, 2 Feb 2022 18:24:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346628AbiBBSYl (ORCPT ); Wed, 2 Feb 2022 13:24:41 -0500 Received: from mga07.intel.com ([134.134.136.100]:56229 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1346617AbiBBSYl (ORCPT ); Wed, 2 Feb 2022 13:24:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1643826281; x=1675362281; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=DPfe9S7gsr3XHu4Wjcofqz2TIxLgJSBh0vUtgBSr5RM=; b=bLG2Dgb+gWanVKYq65gi+agM4SLh6ssO0DJMNTEP7G3+VlNOOZHT63Hs lxpu2SlK+N4qUo+2CK03RHmPUbStyqdr+GnQUQfhv6HYzaZ3BlJvLt+tH m77E6VARgr1+BEeeXXlI4ea55SZ+b1k3L3AAHYryvrcHB4TuVSXvwJh/N Lgvmljzf6xhgRuwBVh6Ue423o6ZRbAcurkJyHb0vF0DLTttjdqS6r6X9R ZDaBfgVoPnQBVNTo9Y1+DpK8anmpDxSXbew5NsaWQ231qGmP7RnA+FDwV ZuBv6wbZpoQCF3x0g4bS4tvQu6htfGhxBliYMiLUzpa1AhsJAL0NT9coF g==; X-IronPort-AV: E=McAfee;i="6200,9189,10246"; a="311297740" X-IronPort-AV: E=Sophos;i="5.88,337,1635231600"; d="scan'208";a="311297740" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Feb 2022 10:24:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.88,337,1635231600"; d="scan'208";a="566088755" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga001.jf.intel.com with ESMTP; 02 Feb 2022 10:24:39 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id 9779C3B7; Wed, 2 Feb 2022 20:24:53 +0200 (EET) From: Andy Shevchenko To: Ulf Hansson , linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jaehoon Chung , Andy Shevchenko Subject: [PATCH v1 1/1] mmc: dw_mmc: Use device_property_string_array_count() Date: Wed, 2 Feb 2022 20:24:50 +0200 Message-Id: <20220202182450.54925-1-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-mmc@vger.kernel.org Use device_property_string_array_count() to get number of strings in a string array property. Signed-off-by: Andy Shevchenko --- drivers/mmc/host/dw_mmc.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index 99b201921954..3420a7ad6098 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -3057,8 +3057,7 @@ static void dw_mci_init_dma(struct dw_mci *host) dev_info(host->dev, "Using internal DMA controller.\n"); } else { /* TRANS_MODE_EDMAC: check dma bindings again */ - if ((device_property_read_string_array(dev, "dma-names", - NULL, 0) < 0) || + if ((device_property_string_array_count(dev, "dma-names") < 0) || !device_property_present(dev, "dmas")) { goto no_dma; }