From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yangbo Lu Subject: [v5, 5/5] mmc: sdhci-of-esdhc: add delay between tuning cycles Date: Thu, 20 Apr 2017 16:14:44 +0800 Message-ID: <1492676084-28218-6-git-send-email-yangbo.lu@nxp.com> References: <1492676084-28218-1-git-send-email-yangbo.lu@nxp.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from mail-sn1nam01on0045.outbound.protection.outlook.com ([104.47.32.45]:41569 "EHLO NAM01-SN1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S967755AbdDTI3y (ORCPT ); Thu, 20 Apr 2017 04:29:54 -0400 In-Reply-To: <1492676084-28218-1-git-send-email-yangbo.lu@nxp.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linux-mmc@vger.kernel.org, ulf.hansson@linaro.org, Adrian Hunter Cc: Xiaobo Xie , Yangbo Lu It's observed that eSDHC needed delay between tuning cycles for HS200 successful tuning. This patch is to set 1ms delay for that. Signed-off-by: Yangbo Lu Acked-by: Adrian Hunter --- Changes for v2: - None Changes for v3: - Used a host member for tuning delay instead of a quirk. Changes for v4: - None Changes for v5: - Added Adrian's ACK --- drivers/mmc/host/sdhci-of-esdhc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 607e512..7518360 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -810,6 +810,7 @@ static int sdhci_esdhc_probe(struct platform_device *pdev) host->mmc_host_ops.start_signal_voltage_switch = esdhc_signal_voltage_switch; host->mmc_host_ops.execute_tuning = esdhc_execute_tuning; + host->tuning_delay = 1; esdhc_init(pdev, host); -- 2.1.0.27.g96db324