pxa3xx_nand: remove hardcode irq number
Nand driver uses IRQ_NAND as hardcode irq number. In ARCH_MMP, the irq
number is different. So get irq resource from platform device structure
and use it in initialization and deinitialization code.
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 3b4bc54..e75b1bf 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1244,8 +1244,8 @@
if (ret)
goto fail_free_io;
- ret = request_irq(IRQ_NAND, pxa3xx_nand_irq, IRQF_DISABLED,
- pdev->name, info);
+ ret = request_irq(irq, pxa3xx_nand_irq, IRQF_DISABLED,
+ pdev->name, info);
if (ret < 0) {
dev_err(&pdev->dev, "failed to request IRQ\n");
goto fail_free_buf;
@@ -1271,7 +1271,7 @@
return add_mtd_partitions(mtd, pdata->parts, pdata->nr_parts);
fail_free_irq:
- free_irq(IRQ_NAND, info);
+ free_irq(irq, info);
fail_free_buf:
if (use_dma) {
pxa_free_dma(info->data_dma_ch);
@@ -1296,12 +1296,15 @@
struct mtd_info *mtd = platform_get_drvdata(pdev);
struct pxa3xx_nand_info *info = mtd->priv;
struct resource *r;
+ int irq;
platform_set_drvdata(pdev, NULL);
del_mtd_device(mtd);
del_mtd_partitions(mtd);
- free_irq(IRQ_NAND, info);
+ irq = platform_get_irq(pdev, 0);
+ if (irq >= 0)
+ free_irq(irq, info);
if (use_dma) {
pxa_free_dma(info->data_dma_ch);
dma_free_writecombine(&pdev->dev, info->data_buff_size,