[MTD] NAND: Select chip before checking write protect status
Linux-MTD Mailing List
linux-mtd at lists.infradead.org
Tue Jun 27 18:59:01 EDT 2006
Commit: 6a93096195305f6f2a39544a034e77e2e74d5799
Parent: 1887f517e3cdf5f1e9c0e4daaa864450415a8f61
commit 6a93096195305f6f2a39544a034e77e2e74d5799
Author: Thomas Gleixner <tglx at cruncher.tec.linutronix.de>
AuthorDate: Wed Jun 28 00:11:45 2006 +0200
Commit: David Woodhouse <dwmw2 at infradead.org>
CommitDate: Tue Jun 27 23:24:09 2006 +0100
[MTD] NAND: Select chip before checking write protect status
The other way round works not really well with boards which have a
static NAND chipselect.
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Signed-off-by: David Woodhouse <dwmw2 at infradead.org>
---
drivers/mtd/nand/nand_base.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 8df184f..80a7665 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1610,13 +1610,13 @@ static int nand_do_write_ops(struct mtd_
if (!writelen)
return 0;
+ chipnr = (int)(to >> chip->chip_shift);
+ chip->select_chip(mtd, chipnr);
+
/* Check, if it is write protected */
if (nand_check_wp(mtd))
return -EIO;
- chipnr = (int)(to >> chip->chip_shift);
- chip->select_chip(mtd, chipnr);
-
realpage = (int)(to >> chip->page_shift);
page = realpage & chip->pagemask;
blockmask = (1 << (chip->phys_erase_shift - chip->page_shift)) - 1;
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