From: Herve Codina <Herve.CODINA@celad.com>
To: barebox@lists.infradead.org
Cc: Herve Codina <Herve.CODINA@celad.com>
Subject: [PATCH 2/2] mtd: fix mtd erasesize
Date: Mon, 9 Jun 2014 17:14:08 +0200 [thread overview]
Message-ID: <1402326848-16239-2-git-send-email-Herve.CODINA@celad.com> (raw)
In-Reply-To: <1402326848-16239-1-git-send-email-Herve.CODINA@celad.com>
Set mtd erasize using max erasesize from erase regions
Signed-off-by: Herve Codina <Herve.CODINA@celad.com>
---
drivers/mtd/nor/cfi_flash.c | 11 ++++++++++-
1 file changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/mtd/nor/cfi_flash.c b/drivers/mtd/nor/cfi_flash.c
index 3d3d231..a56183d 100644
--- a/drivers/mtd/nor/cfi_flash.c
+++ b/drivers/mtd/nor/cfi_flash.c
@@ -949,6 +949,8 @@ static int cfi_mtd_erase(struct mtd_info *mtd, struct erase_info *instr)
static void cfi_init_mtd(struct flash_info *info)
{
struct mtd_info *mtd = &info->mtd;
+ u_int32_t erasesize;
+ int i;
mtd->read = cfi_mtd_read;
mtd->write = cfi_mtd_write;
@@ -956,7 +958,14 @@ static void cfi_init_mtd(struct flash_info *info)
mtd->lock = cfi_mtd_lock;
mtd->unlock = cfi_mtd_unlock;
mtd->size = info->size;
- mtd->erasesize = info->eraseregions[1].erasesize; /* FIXME */
+
+ erasesize = 0;
+ for (i=0; i < info->numeraseregions; i++) {
+ if (erasesize < info->eraseregions[i].erasesize)
+ erasesize = info->eraseregions[i].erasesize;
+ }
+ mtd->erasesize = erasesize;
+
mtd->writesize = 1;
mtd->subpage_sft = 0;
mtd->eraseregions = info->eraseregions;
--
1.7.9.5
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next prev parent reply other threads:[~2014-06-09 15:14 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-09 15:14 [PATCH 1/2] mtd: Fix writesize parameter value Herve Codina
2014-06-09 15:14 ` Herve Codina [this message]
2014-06-10 6:39 ` Sascha Hauer
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