linux-kernel - [PATCH 3/4] mmc: f-sdh30: Add quirks for broken timeout clock capability

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Message-Id: <20221108082533.21384-4-hayashi.kunihiko@socionext.com>
Date:   Tue,  8 Nov 2022 17:25:32 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>
Cc:     Jassi Brar <jaswinder.singh@...aro.org>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH 3/4] mmc: f-sdh30: Add quirks for broken timeout clock capability

There is a case where the timeout clock is not supplied to the capability.
Add a quirk for that.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
---
 drivers/mmc/host/sdhci_f_sdh30.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/host/sdhci_f_sdh30.c b/drivers/mmc/host/sdhci_f_sdh30.c
index e7617a08276d..af30343eaf33 100644
--- a/drivers/mmc/host/sdhci_f_sdh30.c
+++ b/drivers/mmc/host/sdhci_f_sdh30.c
@@ -187,6 +187,9 @@ static int sdhci_f_sdh30_probe(struct platform_device *pdev)
 	if (reg & SDHCI_CAN_DO_8BIT)
 		priv->vendor_hs200 = F_SDH30_EMMC_HS200;
 
+	if (!(reg & SDHCI_TIMEOUT_CLK_MASK))
+		host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
+
 	ret = sdhci_add_host(host);
 	if (ret)
 		goto err_add_host;
-- 
2.25.1