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authorBOUGH CHEN <haibo.chen@nxp.com>2018-12-28 08:35:46 +0000
committerUlf Hansson <ulf.hansson@linaro.org>2019-02-25 08:40:58 +0100
commitd00ab1010c2e8e7e710697c39fb9b7e4fa7dd9c1 (patch)
tree3f57b74c6ee74125414cfed59d010420c88de04a /drivers/mmc/host/sdhci-esdhc-imx.c
parentaf6a50d457ec3ca25ec248959c26f98950fddadc (diff)
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mmc: sdhci-esdhc-imx: add delay between tuning cycles
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>
Diffstat (limited to 'drivers/mmc/host/sdhci-esdhc-imx.c')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 2e50e71cdae5..16b2840bc05a 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1390,6 +1390,8 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
if (err)
goto disable_ahb_clk;
+ host->tuning_delay = 1;
+
sdhci_esdhc_imx_hwinit(host);
err = sdhci_add_host(host);