linux-kernel - [PATCH 5.15 45/73] mmc: sdhci-of-dwcmshc: Re-enable support for the BlueField-3 SoC

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Date:   Fri,  2 Sep 2022 14:19:09 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, David Woods <davwoods@...dia.com>,
        Liming Sun <limings@...dia.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.15 45/73] mmc: sdhci-of-dwcmshc: Re-enable support for the BlueField-3 SoC

From: Liming Sun <limings@...dia.com>

[ Upstream commit a0753ef66c34c1739580219dca664eda648164b7 ]

The commit 08f3dff799d4 (mmc: sdhci-of-dwcmshc: add rockchip platform
support") introduces the use of_device_get_match_data() to check for some
chips. Unfortunately, it also breaks the BlueField-3 FW, which uses ACPI.

To fix the problem, let's add the ACPI match data and the corresponding
quirks to re-enable the support for the BlueField-3 SoC.

Reviewed-by: David Woods <davwoods@...dia.com>
Signed-off-by: Liming Sun <limings@...dia.com>
Acked-by: Adrian Hunter <adrian.hunter@...el.com>
Fixes: 08f3dff799d4 ("mmc: sdhci-of-dwcmshc: add rockchip platform support")
Cc: stable@...r.kernel.org
Link: https://lore.kernel.org/r/20220809173742.178440-1-limings@nvidia.com
[Ulf: Clarified the commit message a bit]
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/mmc/host/sdhci-of-dwcmshc.c | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index f5fd88c7adef1..335c88fd849c4 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -296,6 +296,15 @@ static const struct sdhci_pltfm_data sdhci_dwcmshc_pdata = {
 	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 };
 
+#ifdef CONFIG_ACPI
+static const struct sdhci_pltfm_data sdhci_dwcmshc_bf3_pdata = {
+	.ops = &sdhci_dwcmshc_ops,
+	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN,
+	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
+		   SDHCI_QUIRK2_ACMD23_BROKEN,
+};
+#endif
+
 static const struct sdhci_pltfm_data sdhci_dwcmshc_rk35xx_pdata = {
 	.ops = &sdhci_dwcmshc_rk35xx_ops,
 	.quirks = SDHCI_QUIRK_CAP_CLOCK_BASE_BROKEN |
@@ -360,7 +369,10 @@ MODULE_DEVICE_TABLE(of, sdhci_dwcmshc_dt_ids);
 
 #ifdef CONFIG_ACPI
 static const struct acpi_device_id sdhci_dwcmshc_acpi_ids[] = {
-	{ .id = "MLNXBF30" },
+	{
+		.id = "MLNXBF30",
+		.driver_data = (kernel_ulong_t)&sdhci_dwcmshc_bf3_pdata,
+	},
 	{}
 };
 #endif
@@ -376,7 +388,7 @@ static int dwcmshc_probe(struct platform_device *pdev)
 	int err;
 	u32 extra;
 
-	pltfm_data = of_device_get_match_data(&pdev->dev);
+	pltfm_data = device_get_match_data(&pdev->dev);
 	if (!pltfm_data) {
 		dev_err(&pdev->dev, "Error: No device match data found\n");
 		return -ENODEV;
-- 
2.35.1