From: Haibo Chen <haibo.chen@nxp.com>
Date: Mon, 22 Jun 2020 16:19:19 +0800
Subject: mmc: sdio: fix clock rate setting for SDR12/SDR25 mode
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Git-commit: e81515556d76cc00272bded98ec8d1def6eb9e2c
Patch-mainline: v5.9-rc1
References: jsc#SLE-12251

In current code logic, when work in SDR12/SDR25 mode, the final clock
rate is incorrect, just the legancy 400KHz, because the
card->sw_caps.sd3_bus_mode do not has the flag SD_MODE_UHS_SDR12 or
SD_MODE_UHS_SDR25. Besides, SDIO_SPEED_SDR12 is actually value 0, and
every mode need to config the timing and clock rate, so remove the
‘if’ operator.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Tested-by: Pali Rohár <pali@kernel.org>
Link: https://lore.kernel.org/r/1592813959-5914-1-git-send-email-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/mmc/core/sdio.c | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index 0e32ca7b9488..7b40553d3934 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -176,15 +176,18 @@ static int sdio_read_cccr(struct mmc_card *card, u32 ocr)
 			if (mmc_host_uhs(card->host)) {
 				if (data & SDIO_UHS_DDR50)
 					card->sw_caps.sd3_bus_mode
-						|= SD_MODE_UHS_DDR50;
+						|= SD_MODE_UHS_DDR50 | SD_MODE_UHS_SDR50
+							| SD_MODE_UHS_SDR25 | SD_MODE_UHS_SDR12;
 
 				if (data & SDIO_UHS_SDR50)
 					card->sw_caps.sd3_bus_mode
-						|= SD_MODE_UHS_SDR50;
+						|= SD_MODE_UHS_SDR50 | SD_MODE_UHS_SDR25
+							| SD_MODE_UHS_SDR12;
 
 				if (data & SDIO_UHS_SDR104)
 					card->sw_caps.sd3_bus_mode
-						|= SD_MODE_UHS_SDR104;
+						|= SD_MODE_UHS_SDR104 | SD_MODE_UHS_SDR50
+							| SD_MODE_UHS_SDR25 | SD_MODE_UHS_SDR12;
 			}
 
 			ret = mmc_io_rw_direct(card, 0, 0,
@@ -537,10 +540,8 @@ static int sdio_set_bus_speed_mode(struct mmc_card *card)
 	max_rate = min_not_zero(card->quirk_max_rate,
 				card->sw_caps.uhs_max_dtr);
 
-	if (bus_speed) {
-		mmc_set_timing(card->host, timing);
-		mmc_set_clock(card->host, max_rate);
-	}
+	mmc_set_timing(card->host, timing);
+	mmc_set_clock(card->host, max_rate);
 
 	return 0;
 }
-- 
2.26.2