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MLK-11789 mmc: sdhci: Add 1ms delay in eMMC tuning procedure
authorHaibo Chen <haibo.chen@freescale.com>
Thu, 29 Oct 2015 09:21:37 +0000 (17:21 +0800)
committerNitin Garg <nitin.garg@nxp.com>
Mon, 19 Mar 2018 19:49:08 +0000 (14:49 -0500)
commitb4adbcab495568cc7fdfaec389619e49990874f2
tree8826ea94cdc7edb2a029b8f7b91673a73dfcc44ftree | snapshot
parenta907576af6c109eee6d32d0c141590e2dddcb031commit | diff
MLK-11789 mmc: sdhci: Add 1ms delay in eMMC tuning procedure

On 4.1 kernel, some eMMC on i.MX7D-SDB board can't pass HS400 tuning,
the same eMMC can pass HS400 tuning on 3.14 kernel. The difference
is that 4.1 kernel does not have 1ms delay for eMMC during the
tuning procedure. The root cause still not find, add back the
1ms delay first.

Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
drivers/mmc/host/sdhci.c diff | blob | history