Commit 6b236f37 authored Apr 20, 2017 by yangbo lu Committed by Ulf Hansson Apr 24, 2017

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



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>

parent 83b600b8

drivers/mmc/host/sdhci-of-esdhc.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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);