From: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
Date: Wed, 31 Oct 2018 23:00:43 +0000 (+0100)
Subject: mmc: tmio: delete wait in tuning process
X-Git-Tag: v5.15~7311^2~91
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2cec67865b0c5f5ce3c2db1a1addf33b24bbf044;p=platform%2Fkernel%2Flinux-starfive.git

mmc: tmio: delete wait in tuning process

The manual does not contain information that a wait is needed in the
tuning process, this might be a leftover from early development.
Removing the wait don't have any effect on operation so delete the wait
to shorten the initialization time.

Signed-off-by: Masaharu Hayakawa <masaharu.hayakawa.ry@renesas.com>
Signed-off-by: Takeshi Saito <takeshi.saito.xv@renesas.com>
[Niklas: fixup commit message]
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---

diff --git a/drivers/mmc/host/tmio_mmc_core.c b/drivers/mmc/host/tmio_mmc_core.c
index 8d64f61..a8f917f 100644
--- a/drivers/mmc/host/tmio_mmc_core.c
+++ b/drivers/mmc/host/tmio_mmc_core.c
@@ -734,8 +734,6 @@ static int tmio_mmc_execute_tuning(struct mmc_host *mmc, u32 opcode)
 		ret = mmc_send_tuning(mmc, opcode, NULL);
 		if (ret == 0)
 			set_bit(i, host->taps);
-
-		usleep_range(1000, 1200);
 	}
 
 	ret = host->select_tuning(host);