mtd: m25p80: set writebufsize

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Gitweb:     http://git.infradead.org/?p=mtd-2.6.git;a=commit;h=b54f47c8bcfc5f766bf13ec31bd7dd1d4726d33b
Commit:     b54f47c8bcfc5f766bf13ec31bd7dd1d4726d33b
Parent:     3ee5014185b9041fcb27eef34c83487ce77dd9d3
Author:     Brian Norris <computersforpeace at gmail.com>
AuthorDate: Tue Jan 31 00:06:03 2012 -0800
Committer:  David Woodhouse <David.Woodhouse at intel.com>
CommitDate: Tue Mar 27 00:20:23 2012 +0100

    mtd: m25p80: set writebufsize
    
    Using UBI on m25p80 can give messages like:
    
        UBI error: io_init: bad write buffer size 0 for 1 min. I/O unit
    
    We need to initialize writebufsize; I think "page_size" is the correct
    "bufsize", although I'm not sure. Comments?
    
    Signed-off-by: Brian Norris <computersforpeace at gmail.com>
    Signed-off-by: Artem Bityutskiy <artem.bityutskiy at linux.intel.com>
    Cc: stable at kernel.org [2.6.38+]
    Signed-off-by: David Woodhouse <David.Woodhouse at intel.com>
---
 drivers/mtd/devices/m25p80.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index f83e4d0..8808da9 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -932,6 +932,7 @@ static int __devinit m25p_probe(struct spi_device *spi)
 	ppdata.of_node = spi->dev.of_node;
 	flash->mtd.dev.parent = &spi->dev;
 	flash->page_size = info->page_size;
+	flash->mtd.writebufsize = flash->page_size;
 
 	if (info->addr_width)
 		flash->addr_width = info->addr_width;