AuxXxilium/linux_dsm_epyc7002
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mmc: sdhci-of-esdhc: add delay between tuning cycles

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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 <yangbo.lu@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
yangbo lu 2017-04-20 16:14:44 +08:00 committed by Ulf Hansson
parent 83b600b8de
commit 6b236f37b0
1 changed files with 1 additions and 0 deletions
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drivers/mmc/host/sdhci-of-esdhc.c
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@ -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);