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mtd: bcm63xxpart: use nvram for PSI size

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Read out the SPI size from nvram instead of defaulting to 64KiB — some
vendors actually use values larger than the "max" value of 64.

Signed-off-by: Jonas Gorski <jogo@openwrt.org>
Acked-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Jonas Gorski 2013-03-23 14:07:49 +01:00 committed by David Woodhouse
parent e60665c50f
commit d085eea16c
1 changed files with 4 additions and 2 deletions
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6
drivers/mtd/bcm63xxpart.c
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@ -4,7 +4,7 @@
* Copyright © 2006-2008 Florian Fainelli <florian@openwrt.org>
* Mike Albon <malbon@openwrt.org>
* Copyright © 2009-2010 Daniel Dickinson <openwrt@cshore.neomailbox.net>
* Copyright © 2011-2012 Jonas Gorski <jonas.gorski@gmail.com>
* Copyright © 2011-2013 Jonas Gorski <jonas.gorski@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -33,6 +33,7 @@
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <asm/mach-bcm63xx/bcm63xx_nvram.h>
#include <asm/mach-bcm63xx/bcm963xx_tag.h>
#include <asm/mach-bcm63xx/board_bcm963xx.h>
@ -91,7 +92,8 @@ static int bcm63xx_parse_cfe_partitions(struct mtd_info *master,
BCM63XX_CFE_BLOCK_SIZE);
cfelen = cfe_erasesize;
nvramlen = cfe_erasesize;
nvramlen = bcm63xx_nvram_get_psi_size() * SZ_1K;
nvramlen = roundup(nvramlen, cfe_erasesize);
/* Allocate memory for buffer */
buf = vmalloc(sizeof(struct bcm_tag));