Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux

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>

authored by

BOUGH CHEN and committed by
Ulf Hansson
d00ab101 af6a50d4

+2
+2
drivers/mmc/host/sdhci-esdhc-imx.c
··· 1390 1390 if (err) 1391 1391 goto disable_ahb_clk; 1392 1392 1393 + host->tuning_delay = 1; 1394 + 1393 1395 sdhci_esdhc_imx_hwinit(host); 1394 1396 1395 1397 err = sdhci_add_host(host);