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Subject[PATCH 1/3] [mtd] bf5xx_nand driver: Fix BUG - nand driver on bf527 ezkit board crashes if bfin_mac installed
Date
From: Michael Hennerich <michael.hennerich@analog.com>

http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=4053

Singed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
---
drivers/mtd/nand/bf5xx_nand.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/mtd/nand/bf5xx_nand.c b/drivers/mtd/nand/bf5xx_nand.c
index 747042a..a7afe35 100644
--- a/drivers/mtd/nand/bf5xx_nand.c
+++ b/drivers/mtd/nand/bf5xx_nand.c
@@ -1,6 +1,6 @@
/* linux/drivers/mtd/nand/bf5xx_nand.c
*
- * Copyright 2006-2007 Analog Devices Inc.
+ * Copyright 2006-2008 Analog Devices Inc.
* http://blackfin.uclinux.org/
* Bryan Wu <bryan.wu@analog.com>
*
@@ -74,7 +74,7 @@ static int hardware_ecc = 1;
static int hardware_ecc;
#endif

-static unsigned short bfin_nfc_pin_req[] =
+static const unsigned short bfin_nfc_pin_req[] =
{P_NAND_CE,
P_NAND_RB,
P_NAND_D0,
@@ -581,12 +581,6 @@ static int bf5xx_nand_hw_init(struct bf5xx_nand_info *info)
bfin_write_NFC_IRQSTAT(val);
SSYNC();

- if (peripheral_request_list(bfin_nfc_pin_req, DRV_NAME)) {
- printk(KERN_ERR DRV_NAME
- ": Requesting Peripherals failed\n");
- return -EFAULT;
- }
-
/* DMA initialization */
if (bf5xx_nand_dma_init(info))
err = -ENXIO;
@@ -654,6 +648,12 @@ static int bf5xx_nand_probe(struct platform_device *pdev)

dev_dbg(&pdev->dev, "(%p)\n", pdev);

+ if (peripheral_request_list(bfin_nfc_pin_req, DRV_NAME)) {
+ printk(KERN_ERR DRV_NAME
+ ": Requesting Peripherals failed\n");
+ return -EFAULT;
+ }
+
if (!plat) {
dev_err(&pdev->dev, "no platform specific information\n");
goto exit_error;
--
1.5.5

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