Message ID | 1490600982-5410-6-git-send-email-yangbo.lu@nxp.com (mailing list archive) |
---|---|
State | Superseded, archived |
Headers | show |
On 27/03/17 10:49, Yangbo Lu wrote: > 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> > --- > Changes for v2: > - None > Changes for v3: > - Used a host member for tuning delay instead of a quirk. > --- > drivers/mmc/host/sdhci-of-esdhc.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c > index 8c8e147..0754ef4 100644 > --- a/drivers/mmc/host/sdhci-of-esdhc.c > +++ b/drivers/mmc/host/sdhci-of-esdhc.c > @@ -807,6 +807,7 @@ 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); > > -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c index 8c8e147..0754ef4 100644 --- a/drivers/mmc/host/sdhci-of-esdhc.c +++ b/drivers/mmc/host/sdhci-of-esdhc.c @@ -807,6 +807,7 @@ 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);
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> --- Changes for v2: - None Changes for v3: - Used a host member for tuning delay instead of a quirk. --- drivers/mmc/host/sdhci-of-esdhc.c | 1 + 1 file changed, 1 insertion(+)