From patchwork Fri Feb 11 03:49:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jon Lin X-Patchwork-Id: 12742812 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 70285C433EF for ; Fri, 11 Feb 2022 03:53:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=IrNSISbGfOR4TI9+a8SV/jyha72aPDF3R9AnDgzrDEI=; b=cFtV967JiFQHNs SAC7/ZUjfKhMsX5fmBit/LNOA48bUGebDkC+KMKRIPB5uu0WmWuvFy7idKH4P1tVLWrjUKkvsM3+R hSQB/XJu9trYzIT+o8CKD/s7E4VJP9kp1rRYmTgTYya0mErTGjjIwjJaSLg3X9UjDd2tzcDd/TR5X G/do1xKPcJ+OYx6eP+XnBURqUUCU4zK+Xmp/XcNvMR8BT5ihbIvM6WWSZzlf2j5jmXOpvVASW4XF0 lih2zurjnV7JFImKSnxMPPhgu6kfBx7MFOP/knMvkQMzdJkEJzTGmz1OrPboO9xH0PamtwO2wYLG/ UxIm3bX1zfkgvqhDW6YA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nIMyY-005fQS-SE; Fri, 11 Feb 2022 03:52:02 +0000 Received: from mail-m17664.qiye.163.com ([59.111.176.64]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nIMwP-005eOf-MT; Fri, 11 Feb 2022 03:49:56 +0000 Received: from localhost.localdomain (unknown [58.22.7.114]) by mail-m17664.qiye.163.com (Hmail) with ESMTPA id AA76F1401E5; Fri, 11 Feb 2022 11:49:47 +0800 (CST) From: Jon Lin To: broonie@kernel.org Cc: heiko@sntech.de, linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Jon Lin Subject: [RFC PATCH v1 3/6] spi: rockchip: Fix error in getting num-cs property Date: Fri, 11 Feb 2022 11:49:35 +0800 Message-Id: <20220211034938.25097-4-jon.lin@rock-chips.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220211034938.25097-1-jon.lin@rock-chips.com> References: <20220211034938.25097-1-jon.lin@rock-chips.com> X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgPGg8OCBgUHx5ZQUlOS1dZCBgUCR5ZQVlLVUtZV1 kWDxoPAgseWUFZKDYvK1lXWShZQUhPN1dZLVlBSVdZDwkaFQgSH1lBWUJDQhhWS0tJGB9CGkJISh 8YVRMBExYaEhckFA4PWVdZFhoPEhUdFFlBWVVLWQY+ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PDo6Egw*KT5LNB48GE5JDSs5 PBkaCRZVSlVKTU9PTk5KSENDSkpJVTMWGhIXVREUFVUXEhU7CRQYEFYYExILCFUYFBZFWVdZEgtZ QVlOQ1VJSVVMVUpKT1lXWQgBWUFJSUNCNwY+ X-HM-Tid: 0a7ee6e6bad4da2fkuwsaa76f1401e5 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220210_194949_935739_B2561113 X-CRM114-Status: UNSURE ( 9.25 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Get num-cs u32 from dts of_node property rather than u16. Signed-off-by: Jon Lin --- drivers/spi/spi-rockchip.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c index 1738a2611a2b..5f6a70664871 100644 --- a/drivers/spi/spi-rockchip.c +++ b/drivers/spi/spi-rockchip.c @@ -738,7 +738,7 @@ static int rockchip_spi_probe(struct platform_device *pdev) struct spi_controller *ctlr; struct resource *mem; struct device_node *np = pdev->dev.of_node; - u32 rsd_nsecs; + u32 rsd_nsecs, num_cs; bool slave_mode; slave_mode = of_property_read_bool(np, "spi-slave"); @@ -848,8 +848,9 @@ static int rockchip_spi_probe(struct platform_device *pdev) * rk spi0 has two native cs, spi1..5 one cs only * if num-cs is missing in the dts, default to 1 */ - if (of_property_read_u16(np, "num-cs", &ctlr->num_chipselect)) - ctlr->num_chipselect = 1; + if (of_property_read_u32(np, "num-cs", &num_cs)) + num_cs = 1; + ctlr->num_chipselect = num_cs; ctlr->use_gpio_descriptors = true; } ctlr->dev.of_node = pdev->dev.of_node;