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authorHaojian Zhuang <haojian.zhuang@marvell.com>2009-09-10 02:27:23 -0400
committerEric Miao <eric.y.miao@gmail.com>2009-11-30 20:02:40 -0500
commit346e125967c39fc25263f3071dfc88224ae843f4 (patch)
tree2bb95839a96eb40d61f0bf1d94764d2c77a827f0 /drivers
parentdbf5986aed62620d3dde54e1b63889821c857675 (diff)
pxa3xx_nand: disable nand irq in initialization
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mtd/nand/pxa3xx_nand.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index e75b1bf6df12..11f32454fc77 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1244,6 +1244,9 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
1244 if (ret) 1244 if (ret)
1245 goto fail_free_io; 1245 goto fail_free_io;
1246 1246
1247 /* initialize all interrupts to be disabled */
1248 disable_int(info, NDSR_MASK);
1249
1247 ret = request_irq(irq, pxa3xx_nand_irq, IRQF_DISABLED, 1250 ret = request_irq(irq, pxa3xx_nand_irq, IRQF_DISABLED,
1248 pdev->name, info); 1251 pdev->name, info);
1249 if (ret < 0) { 1252 if (ret < 0) {