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a9eebf69f3
drivers/mtd/parsers/redboot.c: In function 'parse_redboot_partitions':
drivers/mtd/parsers/redboot.c:194:59: warning: suggest parentheses around '-' in operand of '&' [-Wparentheses]
fis_origin = (buf[i].flash_base & (master->size << 1) - 1);
~~~~~~~~~~~~~~~~~~~~^~~
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit f314cbe54b)
66 lines
1.9 KiB
Diff
66 lines
1.9 KiB
Diff
From a4d005c91d403d9f3d0272db6cc46202c06ec774 Mon Sep 17 00:00:00 2001
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From: Axel Gembe <ago@bastart.eu.org>
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Date: Mon, 12 May 2008 18:54:09 +0200
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Subject: [PATCH] bcm963xx: flashmap support
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Signed-off-by: Axel Gembe <ago@bastart.eu.org>
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---
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arch/mips/bcm63xx/boards/board_bcm963xx.c | 19 +----------------
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drivers/mtd/maps/bcm963xx-flash.c | 32 ++++++++++++++++++++++++----
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drivers/mtd/redboot.c | 13 +++++++++--
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3 files changed, 38 insertions(+), 26 deletions(-)
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--- a/arch/mips/bcm63xx/dev-flash.c
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+++ b/arch/mips/bcm63xx/dev-flash.c
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@@ -35,7 +35,7 @@ static struct mtd_partition mtd_partitio
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}
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};
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-static const char *bcm63xx_part_types[] = { "bcm63xxpart", NULL };
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+static const char *bcm63xx_part_types[] = { "bcm63xxpart", "RedBoot", NULL };
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static struct physmap_flash_data flash_data = {
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.width = 2,
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--- a/drivers/mtd/redboot.c
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+++ b/drivers/mtd/redboot.c
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@@ -72,6 +72,7 @@ static int parse_redboot_partitions(stru
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int nulllen = 0;
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int numslots;
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unsigned long offset;
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+ unsigned long fis_origin = 0;
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#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
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static char nullstring[] = "unallocated";
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#endif
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@@ -176,6 +177,16 @@ static int parse_redboot_partitions(stru
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goto out;
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}
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+ if (data && data->origin) {
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+ fis_origin = data->origin;
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+ } else {
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+ for (i = 0; i < numslots; i++) {
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+ if (!strncmp(buf[i].name, "RedBoot", 8)) {
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+ fis_origin = (buf[i].flash_base & ((master->size << 1) - 1));
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+ }
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+ }
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+ }
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+
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for (i = 0; i < numslots; i++) {
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struct fis_list *new_fl, **prev;
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@@ -196,10 +207,10 @@ static int parse_redboot_partitions(stru
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goto out;
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}
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new_fl->img = &buf[i];
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- if (data && data->origin)
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- buf[i].flash_base -= data->origin;
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- else
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- buf[i].flash_base &= master->size-1;
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+ if (fis_origin)
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+ buf[i].flash_base -= fis_origin;
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+
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+ buf[i].flash_base &= (master->size << 1) - 1;
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/* I'm sure the JFFS2 code has done me permanent damage.
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* I now think the following is _normal_
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