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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/soc/sunxi/sunxi_sram.c
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@@ -78,8 +78,8 @@
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78
 
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 static struct sunxi_sram_desc sun50i_a64_sram_c = {
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 	.data	= SUNXI_SRAM_DATA("C", 0x4, 24, 1,
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-				  SUNXI_SRAM_MAP(0, 1, "cpu"),
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-				  SUNXI_SRAM_MAP(1, 0, "de2")),
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+				  SUNXI_SRAM_MAP(1, 0, "cpu"),
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+				  SUNXI_SRAM_MAP(0, 1, "de2")),
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 };
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 static const struct of_device_id sunxi_sram_dt_ids[] = {
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@@ -155,17 +155,7 @@
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 	return 0;
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 }
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-static int sunxi_sram_open(struct inode *inode, struct file *file)
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-{
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-	return single_open(file, sunxi_sram_show, inode->i_private);
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-}
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-
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-static const struct file_operations sunxi_sram_fops = {
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-	.open = sunxi_sram_open,
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-	.read = seq_read,
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-	.llseek = seq_lseek,
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-	.release = single_release,
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-};
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+DEFINE_SHOW_ATTRIBUTE(sunxi_sram);
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159
 
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 static inline struct sunxi_sram_desc *to_sram_desc(const struct sunxi_sram_data *data)
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 {
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@@ -204,7 +194,7 @@
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 	if (!data) {
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 		ret = -EINVAL;
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 		goto err;
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-	};
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+	}
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 	for (func = data->func; func->func; func++) {
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 		if (val == func->val) {
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@@ -264,6 +254,7 @@
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 	writel(val | ((device << sram_data->offset) & mask),
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 	       base + sram_data->reg);
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+	sram_desc->claimed = true;
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 	spin_unlock(&sram_lock);
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259
 
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 	return 0;
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@@ -300,6 +291,10 @@
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 	/* Nothing special */
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 };
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293
 
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+static const struct sunxi_sramc_variant sun8i_h3_sramc_variant = {
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+	.has_emac_clock = true,
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+};
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+
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 static const struct sunxi_sramc_variant sun50i_a64_sramc_variant = {
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 	.has_emac_clock = true,
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 };
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@@ -324,12 +319,11 @@
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 	.writeable_reg	= sunxi_sram_regmap_accessible_reg,
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 };
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321
 
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-static int sunxi_sram_probe(struct platform_device *pdev)
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+static int __init sunxi_sram_probe(struct platform_device *pdev)
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 {
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-	struct resource *res;
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-	struct dentry *d;
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 	struct regmap *emac_clock;
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 	const struct sunxi_sramc_variant *variant;
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+	struct device *dev = &pdev->dev;
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327
 
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 	sram_dev = &pdev->dev;
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329
 
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@@ -337,17 +331,9 @@
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 	if (!variant)
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 		return -EINVAL;
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333
 
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-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
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-	base = devm_ioremap_resource(&pdev->dev, res);
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+	base = devm_platform_ioremap_resource(pdev, 0);
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 	if (IS_ERR(base))
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 		return PTR_ERR(base);
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-
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-	of_platform_populate(pdev->dev.of_node, NULL, NULL, &pdev->dev);
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-
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-	d = debugfs_create_file("sram", S_IRUGO, NULL, NULL,
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-				&sunxi_sram_fops);
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-	if (!d)
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-		return -ENOMEM;
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337
 
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 	if (variant->has_emac_clock) {
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 		emac_clock = devm_regmap_init_mmio(&pdev->dev, base,
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@@ -356,6 +342,10 @@
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 		if (IS_ERR(emac_clock))
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 			return PTR_ERR(emac_clock);
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 	}
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+
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+	of_platform_populate(dev->of_node, NULL, NULL, dev);
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+
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+	debugfs_create_file("sram", 0444, NULL, NULL, &sunxi_sram_fops);
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349
 
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 	return 0;
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 }
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@@ -379,7 +369,7 @@
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 	},
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 	{
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 		.compatible = "allwinner,sun8i-h3-system-control",
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-		.data = &sun4i_a10_sramc_variant,
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+		.data = &sun8i_h3_sramc_variant,
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 	},
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 	{
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 		.compatible = "allwinner,sun50i-a64-sram-controller",
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@@ -387,6 +377,10 @@
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 	},
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 	{
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 		.compatible = "allwinner,sun50i-a64-system-control",
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+		.data = &sun50i_a64_sramc_variant,
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+	},
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+	{
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+		.compatible = "allwinner,sun50i-h5-system-control",
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 		.data = &sun50i_a64_sramc_variant,
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 	},
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 	{ },
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@@ -398,9 +392,8 @@
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 		.name		= "sunxi-sram",
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 		.of_match_table	= sunxi_sram_dt_match,
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 	},
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-	.probe	= sunxi_sram_probe,
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 };
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-module_platform_driver(sunxi_sram_driver);
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+builtin_platform_driver_probe(sunxi_sram_driver, sunxi_sram_probe);
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397
 
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 MODULE_AUTHOR("Maxime Ripard <maxime.ripard@free-electrons.com>");
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 MODULE_DESCRIPTION("Allwinner sunXi SRAM Controller Driver");