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authorHaibo Chen <haibo.chen@nxp.com>2023-05-04 19:22:22 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-05-30 14:03:17 +0100
commita24aec210aa53e21fc7d2f6a2843882e2d0b17a9 (patch)
tree8b2f8dc2109e9f5f975cd15588a2fbef3de41a68 /drivers/mmc/host
parent0d97634ad49888f1cea7362191cd9e8ee3ddde0c (diff)
downloadlinux-a24aec210aa53e21fc7d2f6a2843882e2d0b17a9.tar.gz
mmc: sdhci-esdhc-imx: make "no-mmc-hs400" works
commit 81dce1490e28439c3cd8a8650b862a712f3061ba upstream.

After commit 1ed5c3b22fc7 ("mmc: sdhci-esdhc-imx: Propagate
ESDHC_FLAG_HS400* only on 8bit bus"), the property "no-mmc-hs400"
from device tree file do not work any more.
This patch reorder the code, which can avoid the warning message
"drop HS400 support since no 8-bit bus" and also make the property
"no-mmc-hs400" from dts file works.

Fixes: 1ed5c3b22fc7 ("mmc: sdhci-esdhc-imx: Propagate ESDHC_FLAG_HS400* only on 8bit bus")
Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230504112222.3599602-1-haibo.chen@nxp.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/mmc/host')
-rw-r--r--drivers/mmc/host/sdhci-esdhc-imx.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 8c62c3fba75e..b63cf1f9e8fb 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -1585,6 +1585,10 @@ sdhci_esdhc_imx_probe_dt(struct platform_device *pdev,
 	if (ret)
 		return ret;
 
+	/* HS400/HS400ES require 8 bit bus */
+	if (!(host->mmc->caps & MMC_CAP_8_BIT_DATA))
+		host->mmc->caps2 &= ~(MMC_CAP2_HS400 | MMC_CAP2_HS400_ES);
+
 	if (mmc_gpio_get_cd(host->mmc) >= 0)
 		host->quirks &= ~SDHCI_QUIRK_BROKEN_CARD_DETECTION;
 
@@ -1669,10 +1673,6 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
 		host->mmc_host_ops.execute_tuning = usdhc_execute_tuning;
 	}
 
-	err = sdhci_esdhc_imx_probe_dt(pdev, host, imx_data);
-	if (err)
-		goto disable_ahb_clk;
-
 	if (imx_data->socdata->flags & ESDHC_FLAG_MAN_TUNING)
 		sdhci_esdhc_ops.platform_execute_tuning =
 					esdhc_executing_tuning;
@@ -1680,15 +1680,13 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
 	if (imx_data->socdata->flags & ESDHC_FLAG_ERR004536)
 		host->quirks |= SDHCI_QUIRK_BROKEN_ADMA;
 
-	if (host->mmc->caps & MMC_CAP_8_BIT_DATA &&
-	    imx_data->socdata->flags & ESDHC_FLAG_HS400)
+	if (imx_data->socdata->flags & ESDHC_FLAG_HS400)
 		host->mmc->caps2 |= MMC_CAP2_HS400;
 
 	if (imx_data->socdata->flags & ESDHC_FLAG_BROKEN_AUTO_CMD23)
 		host->quirks2 |= SDHCI_QUIRK2_ACMD23_BROKEN;
 
-	if (host->mmc->caps & MMC_CAP_8_BIT_DATA &&
-	    imx_data->socdata->flags & ESDHC_FLAG_HS400_ES) {
+	if (imx_data->socdata->flags & ESDHC_FLAG_HS400_ES) {
 		host->mmc->caps2 |= MMC_CAP2_HS400_ES;
 		host->mmc_host_ops.hs400_enhanced_strobe =
 					esdhc_hs400_enhanced_strobe;
@@ -1710,6 +1708,10 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
 			goto disable_ahb_clk;
 	}
 
+	err = sdhci_esdhc_imx_probe_dt(pdev, host, imx_data);
+	if (err)
+		goto disable_ahb_clk;
+
 	sdhci_esdhc_imx_hwinit(host);
 
 	err = sdhci_add_host(host);