From patchwork Thu Aug 29 11:21:01 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Brown X-Patchwork-Id: 2851265 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id EDDE29F2F4 for ; Thu, 29 Aug 2013 11:21:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 656582039B for ; Thu, 29 Aug 2013 11:21:35 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2D8CD20394 for ; Thu, 29 Aug 2013 11:21:34 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VF0I7-0004yg-Sh; Thu, 29 Aug 2013 11:21:32 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VF0I5-0008Lw-MA; Thu, 29 Aug 2013 11:21:29 +0000 Received: from [2001:41c8:1:5384::2] (helo=cassiel.sirena.org.uk) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1VF0I2-0008LI-LM for linux-arm-kernel@lists.infradead.org; Thu, 29 Aug 2013 11:21:27 +0000 Received: from cpc11-sgyl31-2-0-cust68.sgyl.cable.virginmedia.com ([94.175.92.69] helo=finisterre) by cassiel.sirena.org.uk with esmtpsa (TLS1.2:DHE_RSA_AES_128_CBC_SHA1:128) (Exim 4.80) (envelope-from ) id 1VF0Hf-0004XI-1t; Thu, 29 Aug 2013 12:21:04 +0100 Received: from broonie by finisterre with local (Exim 4.80) (envelope-from ) id 1VF0He-0000qJ-G5; Thu, 29 Aug 2013 12:21:02 +0100 From: Mark Brown To: Mike Turquette Date: Thu, 29 Aug 2013 12:21:01 +0100 Message-Id: <1377775261-3190-1-git-send-email-broonie@kernel.org> X-Mailer: git-send-email 1.8.4.rc3 X-SA-Exim-Connect-IP: 94.175.92.69 X-SA-Exim-Mail-From: broonie@sirena.org.uk X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Spam-Level: X-Spam-Status: No, score=-6.7 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 Subject: [PATCH] clk: wm831x: Initialise wm831x pointer on init X-SA-Exim-Version: 4.2.1 (built Mon, 26 Dec 2011 16:57:07 +0000) X-SA-Exim-Scanned: Yes (on cassiel.sirena.org.uk) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130829_072126_928293_9807F3C2 X-CRM114-Status: GOOD ( 11.94 ) X-Spam-Score: -1.1 (-) Cc: stable@vger.kernel.org, patches@opensource.wolfsonmicro.com, linaro-kernel@lists.linaro.org, linux-arm-kernel@lists.infradead.org, Mark Brown X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 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+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Mark Brown Otherwise any attempt to interact with the hardware will crash. This is what happens when drivers get written blind. Signed-off-by: Mark Brown Cc: stable@vger.kernel.org --- drivers/clk/clk-wm831x.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/clk/clk-wm831x.c b/drivers/clk/clk-wm831x.c index 1b3f8c9..1d5af3f 100644 --- a/drivers/clk/clk-wm831x.c +++ b/drivers/clk/clk-wm831x.c @@ -360,6 +360,8 @@ static int wm831x_clk_probe(struct platform_device *pdev) if (!clkdata) return -ENOMEM; + clkdata->wm831x = wm831x; + /* XTAL_ENA can only be set via OTP/InstantConfig so just read once */ ret = wm831x_reg_read(wm831x, WM831X_CLOCK_CONTROL_2); if (ret < 0) {