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pxa3xx_nand: disable nand irq in initialization

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In some bootloader, IRQ is enabled. Writing nand triggers unexpected
interrupts. So disable nand irq in initialization. After nand
initialized and in working state, irq is controlled by nand driver.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
This commit is contained in:
Haojian Zhuang 2009-09-10 14:27:23 +08:00 committed by Eric Miao
parent dbf5986aed
commit 346e125967
1 changed files with 3 additions and 0 deletions
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3
drivers/mtd/nand/pxa3xx_nand.c
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@ -1244,6 +1244,9 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
if (ret)
goto fail_free_io;
/* initialize all interrupts to be disabled */
disable_int(info, NDSR_MASK);
ret = request_irq(irq, pxa3xx_nand_irq, IRQF_DISABLED,
pdev->name, info);
if (ret < 0) {