linux-kernel - [PATCH 5.10 87/98] mmc: sdhci-iproc: Set SDHCI_QUIRK_CAP_CLOCK_BASE

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Message-Id: <20210824165908.709932-88-sashal@kernel.org>
Date:   Tue, 24 Aug 2021 12:58:57 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Nicolas Saenz Julienne <nsaenz@...nel.org>,
        Stefan Wahren <stefan.wahren@...e.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.10 87/98] mmc: sdhci-iproc: Set SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN on BCM2711

From: Nicolas Saenz Julienne <nsaenz@...nel.org>

[ Upstream commit 419dd626e357e89fc9c4e3863592c8b38cfe1571 ]

The controller doesn't seem to pick-up on clock changes, so set the
SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN flag to query the clock frequency
directly from the clock.

Fixes: f84e411c85be ("mmc: sdhci-iproc: Add support for emmc2 of the BCM2711")
Signed-off-by: Nicolas Saenz Julienne <nsaenz@...nel.org>
Signed-off-by: Stefan Wahren <stefan.wahren@...e.com>
Cc: stable@...r.kernel.org
Link: https://lore.kernel.org/r/1628334401-6577-6-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mmc/host/sdhci-iproc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/sdhci-iproc.c b/drivers/mmc/host/sdhci-iproc.c
index b9eb2ec61a83..9f0eef97ebdd 100644
--- a/drivers/mmc/host/sdhci-iproc.c
+++ b/drivers/mmc/host/sdhci-iproc.c
@@ -295,7 +295,8 @@ static const struct sdhci_ops sdhci_iproc_bcm2711_ops = {
 };
 
 static const struct sdhci_pltfm_data sdhci_bcm2711_pltfm_data = {
-	.quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12,
+	.quirks = SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 |
+		  SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
 	.ops = &sdhci_iproc_bcm2711_ops,
 };
 
-- 
2.30.2