From mboxrd@z Thu Jan 1 00:00:00 1970 From: Haibo Chen Subject: [PATCH] mmc: sdhci-esdhc-imx: correct the max timeout count Date: Mon, 15 Aug 2016 16:31:33 +0800 Message-ID: <1471249893-32345-1-git-send-email-haibo.chen@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-db5eur01on0066.outbound.protection.outlook.com ([104.47.2.66]:31822 "EHLO EUR01-DB5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751244AbcHPAzq (ORCPT ); Mon, 15 Aug 2016 20:55:46 -0400 Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: adrian.hunter@intel.com, ulf.hansson@linaro.org, aisheng.dong@nxp.com, linux-mmc@vger.kernel.org Cc: haibo.chen@nxp.com i.MX USDHC Reference Manual has a mistake, for the register SYS_CTRL, the DTOCV(bit 19~16) means the data timeout counter value. When DTOCV is set to 0xF, it means SDCLK << 29, not SDCLK << 28. Signed-off-by: Haibo Chen --- drivers/mmc/host/sdhci-esdhc-imx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c index 437c448..ea7d086 100644 --- a/drivers/mmc/host/sdhci-esdhc-imx.c +++ b/drivers/mmc/host/sdhci-esdhc-imx.c @@ -929,7 +929,7 @@ static unsigned int esdhc_get_max_timeout_count(struct sdhci_host *host) struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); struct pltfm_imx_data *imx_data = sdhci_pltfm_priv(pltfm_host); - return esdhc_is_usdhc(imx_data) ? 1 << 28 : 1 << 27; + return esdhc_is_usdhc(imx_data) ? 1 << 29 : 1 << 27; } static void esdhc_set_timeout(struct sdhci_host *host, struct mmc_command *cmd) -- 1.9.1