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| author |   yangbo lu <yangbo.lu@nxp.com> | 2017-04-20 16:14:44 +0800 |
|---|---|---|
| committer |   Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 21:42:27 +0200 |
| commit | 6b236f37b0fa88fac93e6782fd25cbf9907e5048 (patch) | |
| tree | aadb087e96868a874037309e99e545038f8b1586 /drivers/mmc | |
| parent | mmc: sdhci: Control the delay between tuning commands (diff) | |
| download | linux-dev-6b236f37b0fa88fac93e6782fd25cbf9907e5048.tar.xz linux-dev-6b236f37b0fa88fac93e6782fd25cbf9907e5048.zip | |
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 607e5122e1a1..7518360c03d2 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); |