From: Shawn Lin <shawn.lin@rock-chips.com>
Date: Mon, 9 May 2016 03:36:57 +0000 (+0800)
Subject: HACK: mmc: core: disable sending status when switching to hs from hs200
X-Git-Tag: firefly_0821_release~2655
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4583509b4583d12e8e626a33e67e3849f4156499;p=firefly-linux-kernel-4.4.55.git

HACK: mmc: core: disable sending status when switching to hs from hs200

To slove the issue found on evb2 for hs400

[    1.526008] sdhci: Secure Digital Host Controller Interface driver
[    1.526558] sdhci: Copyright(c) Pierre Ossman
[    1.527899] sdhci-pltfm: SDHCI platform and OF driver helper
[    1.529967] sdhci-arasan fe330000.sdhci: No vmmc regulator found
[    1.530501] sdhci-arasan fe330000.sdhci: No vqmmc regulator found
[    1.568710] mmc0: SDHCI controller on fe330000.sdhci [fe330000.sdhci]
using ADMA
[    1.627552] mmc0: switch to high-speed from hs200 failed, err:-84
[    1.628108] mmc0: error -84 whilst initialising MMC card

[PATCH reviewing: https://patchwork.kernel.org/patch/9010851/]

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Change-Id: I7641a3c095bb893a56f18fa3faa88ca179f3dae3
---

diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index 94bde1d5dae8..0f13c82e015c 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1094,7 +1094,7 @@ static int mmc_select_hs400(struct mmc_card *card)
 	err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
 			   EXT_CSD_HS_TIMING, val,
 			   card->ext_csd.generic_cmd6_time,
-			   true, send_status, true);
+			   true, false, true);
 	if (err) {
 		pr_err("%s: switch to high-speed from hs200 failed, err:%d\n",
 			mmc_hostname(host), err);
@@ -1222,7 +1222,7 @@ int mmc_hs400_to_hs200(struct mmc_card *card)
 	val = EXT_CSD_TIMING_HS;
 	err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_HS_TIMING,
 			   val, card->ext_csd.generic_cmd6_time,
-			   true, send_status, true);
+			   true, false, true);
 	if (err)
 		goto out_err;
 
@@ -1334,7 +1334,7 @@ static int mmc_select_hs200(struct mmc_card *card)
 		err = __mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
 				   EXT_CSD_HS_TIMING, val,
 				   card->ext_csd.generic_cmd6_time,
-				   true, send_status, true);
+				   true, false, true);
 		if (err)
 			goto err;
 		old_timing = host->ios.timing;