add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/sbus/char/flash.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /* flash.c: Allow mmap access to the OBP Flash, for OBP updates.
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  *
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  * Copyright (C) 1997  Eddie C. Dost  (ecd@skynet.be)
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@@ -16,7 +17,6 @@
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 #include <linux/of_device.h>
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 #include <linux/uaccess.h>
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-#include <asm/pgtable.h>
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 #include <asm/io.h>
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 #include <asm/upa.h>
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@@ -29,8 +29,6 @@
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 	unsigned long write_size;	/* Size of write area */
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 	unsigned long busy;		/* In use? */
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 } flash;
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-
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-#define FLASH_MINOR	152
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 static int
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 flash_mmap(struct file *file, struct vm_area_struct *vma)
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@@ -156,7 +154,7 @@
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 	.release =	flash_release,
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 };
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-static struct miscdevice flash_dev = { FLASH_MINOR, "flash", &flash_fops };
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+static struct miscdevice flash_dev = { SBUS_FLASH_MINOR, "flash", &flash_fops };
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 static int flash_probe(struct platform_device *op)
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 {
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@@ -165,9 +163,9 @@
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 	parent = dp->parent;
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-	if (strcmp(parent->name, "sbus") &&
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-	    strcmp(parent->name, "sbi") &&
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-	    strcmp(parent->name, "ebus"))
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+	if (!of_node_name_eq(parent, "sbus") &&
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+	    !of_node_name_eq(parent, "sbi") &&
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+	    !of_node_name_eq(parent, "ebus"))
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 		return -ENODEV;
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 	flash.read_base = op->resource[0].start;