From 8a1a6272057e2ad90ab531a70330165888866e60 Mon Sep 17 00:00:00 2001
From: David Woodhouse <David.Woodhouse@intel.com>
Date: Mon, 20 Oct 2008 09:26:16 +0100
Subject: Revert "[MTD] m25p80.c code cleanup"
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This reverts commit 75d0ee2202b5740e94e913d8a52f91c6557c4c81.

Although it seems ObviouslyCorrectâ„¢, the spi_write() call uses DMA,
while spi_write_then_read() does not. Since our buffer is on the stack,
we must use the latter even though we don't actually want to read
anything back.

Pointed out by David Brownell <david-b@pacbell.net>

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
---
 drivers/mtd/devices/m25p80.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'drivers/mtd')

diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
index 697a3a2..76a7675 100644
--- a/drivers/mtd/devices/m25p80.c
+++ b/drivers/mtd/devices/m25p80.c
@@ -134,7 +134,7 @@ static inline int write_enable(struct m25p *flash)
 {
 	u8	code = OPCODE_WREN;
 
-	return spi_write(flash->spi, &code, 1);
+	return spi_write_then_read(flash->spi, &code, 1, NULL, 0);
 }
 
 
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