linux-kernel - [PATCH v1 1/1] mmc: sdhci-of-dwcmshc: Enable timeout quirk for BlueField-3 SoC

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Message-ID: <6082b74cbc681e8c24354828941361f4f4294242.1700315051.git.limings@nvidia.com>
Date:   Sat, 18 Nov 2023 08:46:38 -0500
From:   Liming Sun <limings@...dia.com>
To:     Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        David Thompson <davthompson@...dia.com>
CC:     Liming Sun <limings@...dia.com>, <linux-mmc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v1 1/1] mmc: sdhci-of-dwcmshc: Enable timeout quirk for BlueField-3 SoC

This commit enables SDHCI_QUIRK_BROKEN_TIMEOUT_VAL to solve the
intermittent eMMC timeout issue reported on some cards under eMMC
stress test.

Reported error message:
  dwcmshc MLNXBF30:00: __mmc_blk_ioctl_cmd: data error -110

Signed-off-by: Liming Sun <limings@...dia.com>
---
 drivers/mmc/host/sdhci-of-dwcmshc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index 3a3bae6948a8..3c8fe8aec558 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -365,7 +365,8 @@ static const struct sdhci_pltfm_data sdhci_dwcmshc_pdata = {
 #ifdef CONFIG_ACPI
 static const struct sdhci_pltfm_data sdhci_dwcmshc_bf3_pdata = {
 	.ops = &sdhci_dwcmshc_ops,
-	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
+		  SDHCI_QUIRK_BROKEN_TIMEOUT_VAL,
 	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
 		   SDHCI_QUIRK2_ACMD23_BROKEN,
 };
-- 
2.30.1