[PATCH 2/2] memory: brcmstb_memc: Simplify compatible matching

Florian Fainelli florian.fainelli at broadcom.com
Fri May 23 11:43:54 PDT 2025


Now that a "brcm,brcmstb-memc-ddr-rev-b.2.x" fallback compatible string
has been defined, we can greatly simplify the matching within the driver
to only look for that compatible string and nothing else.

The fallback "brcm,brcmstb-memc-ddr" is also updated to assume the V21
register layout since that is the most common nowadays.

Signed-off-by: Florian Fainelli <florian.fainelli at broadcom.com>
---
 drivers/memory/brcmstb_memc.c | 58 ++---------------------------------
 1 file changed, 3 insertions(+), 55 deletions(-)

diff --git a/drivers/memory/brcmstb_memc.c b/drivers/memory/brcmstb_memc.c
index c87b37e2c1f0..ec4c198ddc49 100644
--- a/drivers/memory/brcmstb_memc.c
+++ b/drivers/memory/brcmstb_memc.c
@@ -181,65 +181,13 @@ static const struct of_device_id brcmstb_memc_of_match[] = {
 		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V20]
 	},
 	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.1",
+		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.x",
 		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
 	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.2",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.3",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.5",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.6",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.7",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.2.8",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.3.0",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-b.3.1",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.0",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.1",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.2",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.3",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	{
-		.compatible = "brcm,brcmstb-memc-ddr-rev-c.1.4",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
-	},
-	/* default to the original offset */
+	/* default to the V21 offset */
 	{
 		.compatible = "brcm,brcmstb-memc-ddr",
-		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V1X]
+		.data = &brcmstb_memc_versions[BRCMSTB_MEMC_V21]
 	},
 	{}
 };
-- 
2.43.0




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