xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
It's observed that i.MX uSDHC needed delay between tuning
cycles for HS200 successful tuning. This patch is to set 1ms
delay for that.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
BOUGH CHEN
2018-12-28 08:35:46 +00:00
committed by Ulf Hansson
parent af6a50d457
commit d00ab1010c
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mmc/host/sdhci-esdhc-imx.c
View File

@@ -1390,6 +1390,8 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
if (err) if (err)
goto disable_ahb_clk; goto disable_ahb_clk;
host->tuning_delay = 1;
sdhci_esdhc_imx_hwinit(host); sdhci_esdhc_imx_hwinit(host);
err = sdhci_add_host(host); err = sdhci_add_host(host);