linux-kernel - [PATCH v2 6/6] mmc: f-sdh30: Add quirks for broken timeout clock capability

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 11 Nov 2022 17:10:33 +0900
From:   Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Jassi Brar <jaswinder.singh@...aro.org>,
        Ard Biesheuvel <ardb@...nel.org>, linux-mmc@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Kunihiko Hayashi <hayashi.kunihiko@...ionext.com>
Subject: [PATCH v2 6/6] 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>
Acked-by: Jassi Brar <jaswinder.singh@...aro.org>
---
 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 afbe17312cb6..a202a69a4b08 100644
--- a/drivers/mmc/host/sdhci_f_sdh30.c
+++ b/drivers/mmc/host/sdhci_f_sdh30.c
@@ -188,6 +188,9 @@ 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