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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/soc/ux500/ux500-soc-id.c
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..
@@ -167,20 +167,18 @@
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 static const char *db8500_read_soc_id(struct device_node *backupram)
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 {
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 	void __iomem *base;
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-	void __iomem *uid;
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 	const char *retstr;
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+	u32 uid[5];
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 	base = of_iomap(backupram, 0);
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 	if (!base)
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 		return NULL;
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-	uid = base + 0x1fc0;
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+	memcpy_fromio(uid, base + 0x1fc0, sizeof(uid));
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 	/* Throw these device-specific numbers into the entropy pool */
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-	add_device_randomness(uid, 0x14);
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+	add_device_randomness(uid, sizeof(uid));
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 	retstr = kasprintf(GFP_KERNEL, "%08x%08x%08x%08x%08x",
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-			 readl((u32 *)uid+0),
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-			 readl((u32 *)uid+1), readl((u32 *)uid+2),
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-			 readl((u32 *)uid+3), readl((u32 *)uid+4));
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+			   uid[0], uid[1], uid[2], uid[3], uid[4]);
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 	iounmap(base);
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 	return retstr;
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 }