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mmc: sdhci-esdhc-imx: add delay between tuning cycles

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It's observed that i.MX uSDHC needed delay between tuning
cycles for HS200 successful tuning. This patch is to set 1ms
delay for that.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
BOUGH CHEN 2018-12-28 08:35:46 +00:00 committed by Ulf Hansson
parent af6a50d457
commit d00ab1010c
1 changed files with 2 additions and 0 deletions
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drivers/mmc/host/sdhci-esdhc-imx.c
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@ -1390,6 +1390,8 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
if (err)
goto disable_ahb_clk;
host->tuning_delay = 1;
sdhci_esdhc_imx_hwinit(host);
err = sdhci_add_host(host);