diff options
Diffstat (limited to 'drivers/ata/sata_dwc_460ex.c')
| -rw-r--r-- | drivers/ata/sata_dwc_460ex.c | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c index e3263e961045..21d77633a98f 100644 --- a/drivers/ata/sata_dwc_460ex.c +++ b/drivers/ata/sata_dwc_460ex.c @@ -42,10 +42,6 @@ #define sata_dwc_writel(a, v) writel_relaxed(v, a) #define sata_dwc_readl(a) readl_relaxed(a) -#ifndef NO_IRQ -#define NO_IRQ 0 -#endif - #define AHB_DMA_BRST_DFLT 64 /* 16 data items burst length */ enum { @@ -242,7 +238,7 @@ static int sata_dwc_dma_init_old(struct platform_device *pdev, /* Get SATA DMA interrupt number */ hsdev->dma->irq = irq_of_parse_and_map(np, 1); - if (hsdev->dma->irq == NO_IRQ) { + if (!hsdev->dma->irq) { dev_err(dev, "no SATA DMA irq\n"); return -ENODEV; } @@ -472,7 +468,7 @@ static irqreturn_t sata_dwc_isr(int irq, void *dev_instance) struct ata_queued_cmd *qc; unsigned long flags; u8 status, tag; - int handled, num_processed, port = 0; + int handled, port = 0; uint intpr, sactive, sactive2, tag_mask; struct sata_dwc_device_port *hsdevp; hsdev->sactive_issued = 0; @@ -618,9 +614,7 @@ DRVSTILLBUSY: dev_dbg(ap->dev, "%s ATA status register=0x%x\n", __func__, status); tag = 0; - num_processed = 0; while (tag_mask) { - num_processed++; while (!(tag_mask & 0x00000001)) { tag++; tag_mask <<= 1; @@ -1180,7 +1174,7 @@ static int sata_dwc_probe(struct platform_device *ofdev) /* Get SATA interrupt number */ irq = irq_of_parse_and_map(np, 0); - if (irq == NO_IRQ) { + if (!irq) { dev_err(dev, "no SATA DMA irq\n"); return -ENODEV; } |