From 6e7a6809c555aeb7cb98544df4d446fbd6f123ec Mon Sep 17 00:00:00 2001
From: Nicolas Pitre <nico@cam.org>
Date: Wed, 29 Mar 2006 23:31:42 +0100
Subject: cfi-cmdset-0001: always update the chip status
... otherwise xip_enable() won't do the right thing.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---
drivers/mtd/chips/cfi_cmdset_0001.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
(limited to 'drivers')
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index e797752f7c..ab3888f5e4 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -1479,8 +1479,10 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
[...], the device will not accept any more Write to Buffer commands".
So we must check here and reset those bits if they're set. Otherwise
we're just pissing in the wind */
- if (chip->state != FL_STATUS)
+ if (chip->state != FL_STATUS) {
map_write(map, CMD(0x70), cmd_adr);
+ chip->state = FL_STATUS;
+ }
status = map_read(map, cmd_adr);
if (map_word_bitsset(map, status, CMD(0x30))) {
xip_enable(map, chip, cmd_adr);
--
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