From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: [PATCH 1/4] mmc: sdhci-s3c: fix the wrong register value, when clock is disabled Date: Tue, 25 Jun 2013 10:20:57 +0900 Message-ID: <51C8F079.8090009@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:12306 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750745Ab3FYBUy (ORCPT ); Mon, 24 Jun 2013 21:20:54 -0400 Received: from epcpsbgr5.samsung.com (u145.gpu120.samsung.co.kr [203.254.230.145]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MOX00KHID295570@mailout4.samsung.com> for linux-mmc@vger.kernel.org; Tue, 25 Jun 2013 10:20:53 +0900 (KST) Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: "linux-mmc@vger.kernel.org" Cc: 'Chris Ball' , =?ISO-8859-1?Q?Heiko_St=FCbner?= , Kyungmin Park When use the QUIRK_NONSTANDARD_CLOCK, then never set to 0 at clock control register. This patch is fixed this problem. ([PATCHv2] mmc: sdhci-s3c: fix teh wrong register value, when clock is disabled) Signed-off-by: Jaehoon Chung Signed-off-by: Kyungmin Park --- drivers/mmc/host/sdhci-s3c.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 926aaf6..ce71f32 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -297,8 +297,11 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock) u16 clk = 0; /* don't bother if the clock is going off */ - if (clock == 0) + if (clock == 0) { + sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL); + host->clock = clock; return; + } sdhci_s3c_set_clock(host, clock); -- 1.7.9.5