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>

1 files changed, 7 insertions, 4 deletions

diff --git a/drivers/mtd/nand/pxa3xx_nand.c b/drivers/mtd/nand/pxa3xx_nand.c
index 3b4bc54df695..e75b1bf6df12 100644
--- a/drivers/mtd/nand/pxa3xx_nand.c
+++ b/drivers/mtd/nand/pxa3xx_nand.c
@@ -1244,8 +1244,8 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
         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 @@ static int pxa3xx_nand_probe(struct platform_device *pdev)
         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 @@ static int pxa3xx_nand_remove(struct platform_device *pdev)
         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,