diff options
| author | yangbo lu <yangbo.lu@nxp.com> | 2017-04-20 08:14:44 (GMT) |
|---|---|---|
| committer | Xie Xiaobo <xiaobo.xie@nxp.com> | 2017-07-14 10:28:40 (GMT) |
| commit | ef0762b4c4112cc6b71fb0a89c5b9abd08b73374 (patch) | |
| tree | c3d57a6afb120e5a65ba96e699b9829f996e23e3 /drivers/mmc | |
| parent | a592a99d1fd87dc6830406daec5b88a35751a821 (diff) | |
| download | linux-ef0762b4c4112cc6b71fb0a89c5b9abd08b73374.tar.xz | |
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>
Diffstat (limited to 'drivers/mmc')
| -rw-r--r-- | drivers/mmc/host/sdhci-of-esdhc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 570d441..d10f831 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -820,6 +820,7 @@ 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); |