| Message ID | 1441940576-4972-2-git-send-email-pingbo.wen@linaro.org |
|---|---|
| State | New |
| Headers | show
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[209.85.217.170]) by mx.google.com with ESMTPS id dl10si12355247lad.154.2015.09.10.20.03.58 for <patchwork-forward@linaro.org> (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 10 Sep 2015 20:03:58 -0700 (PDT) Received-SPF: pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.217.170 as permitted sender) client-ip=209.85.217.170; Received: by lbcao8 with SMTP id ao8so32925827lbc.3 for <patchwork-forward@linaro.org>; Thu, 10 Sep 2015 20:03:58 -0700 (PDT) X-Received: by 10.152.26.41 with SMTP id i9mr11173245lag.36.1441940638702; Thu, 10 Sep 2015 20:03:58 -0700 (PDT) X-Forwarded-To: patchwork-forward@linaro.org X-Forwarded-For: patch@linaro.org patchwork-forward@linaro.org Delivered-To: patch@linaro.org Received: by 10.112.59.35 with SMTP id w3csp1316553lbq; Thu, 10 Sep 2015 20:03:57 -0700 (PDT) X-Received: by 10.66.254.65 with SMTP id ag1mr79079438pad.134.1441940637642; Thu, 10 Sep 2015 20:03:57 -0700 (PDT) Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id pi6si23632520pbb.92.2015.09.10.20.03.56 for <patch@linaro.org>; Thu, 10 Sep 2015 20:03:57 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-input-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751370AbbIKDD4 (ORCPT <rfc822;patch@linaro.org>); Thu, 10 Sep 2015 23:03:56 -0400 Received: from mail-pa0-f44.google.com ([209.85.220.44]:34906 "EHLO mail-pa0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751270AbbIKDDz (ORCPT <rfc822;linux-input@vger.kernel.org>); Thu, 10 Sep 2015 23:03:55 -0400 Received: by pacfv12 with SMTP id fv12so62134551pac.2 for <linux-input@vger.kernel.org>; Thu, 10 Sep 2015 20:03:55 -0700 (PDT) X-Received: by 10.66.235.226 with SMTP id up2mr51458298pac.89.1441940635378; Thu, 10 Sep 2015 20:03:55 -0700 (PDT) Received: from localhost.localdomain ([202.130.115.78]) by smtp.gmail.com with ESMTPSA id ri9sm14626460pbc.4.2015.09.10.20.03.53 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 10 Sep 2015 20:03:54 -0700 (PDT) From: WEN Pingbo <pingbo.wen@linaro.org> To: dmitry.torokhov@gmail.com Cc: broonie@kernel.org, linux-input@vger.kernel.org, WEN Pingbo <pingbo.wen@linaro.org> Subject: [PATCH 2/2] Input: lpc32xx: handle clk_enable return value Date: Fri, 11 Sep 2015 11:02:56 +0800 Message-Id: <1441940576-4972-2-git-send-email-pingbo.wen@linaro.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1441940576-4972-1-git-send-email-pingbo.wen@linaro.org> References: <1441940576-4972-1-git-send-email-pingbo.wen@linaro.org> Sender: linux-input-owner@vger.kernel.org Precedence: list List-ID: <patchwork-forward.linaro.org> X-Mailing-List: linux-input@vger.kernel.org X-Removed-Original-Auth: Dkim didn't pass. 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diff --git a/drivers/input/touchscreen/lpc32xx_ts.c b/drivers/input/touchscreen/lpc32xx_ts.c index 24d704c..60cd31d 100644 --- a/drivers/input/touchscreen/lpc32xx_ts.c +++ b/drivers/input/touchscreen/lpc32xx_ts.c @@ -145,8 +145,14 @@ static void lpc32xx_stop_tsc(struct lpc32xx_tsc *tsc) static void lpc32xx_setup_tsc(struct lpc32xx_tsc *tsc) { u32 tmp; + int retval; - clk_enable(tsc->clk); + retval = clk_enable(tsc->clk); + if (retval) { + dev_err(&tsc->dev->dev, + "clk_enable failed, ret %d\n", retval); + return; + } tmp = tsc_readl(tsc, LPC32XX_TSC_CON) & ~LPC32XX_TSC_ADCCON_POWER_UP;
If clk_enable failed, return the err code Signed-off-by: WEN Pingbo <pingbo.wen@linaro.org> --- drivers/input/touchscreen/lpc32xx_ts.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)