diff options
Diffstat (limited to 'drivers/ata/sata_mv.c')
| -rw-r--r-- | drivers/ata/sata_mv.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 664ef658a955..c8867c12c0b8 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -1146,9 +1146,8 @@ static void mv_set_irq_coalescing(struct ata_host *host, spin_unlock_irqrestore(&host->lock, flags); } -/** +/* * mv_start_edma - Enable eDMA engine - * @base: port base address * @pp: port private data * * Verify the local cache of the eDMA state is accurate with a @@ -1519,7 +1518,7 @@ static void mv_60x1_errata_sata25(struct ata_port *ap, int want_ncq) writel(new, hpriv->base + GPIO_PORT_CTL); } -/** +/* * mv_bmdma_enable - set a magic bit on GEN_IIE to allow bmdma * @ap: Port being initialized * @@ -1918,8 +1917,8 @@ static void mv_bmdma_start(struct ata_queued_cmd *qc) } /** - * mv_bmdma_stop - Stop BMDMA transfer - * @qc: queued command to stop DMA on. + * mv_bmdma_stop_ap - Stop BMDMA transfer + * @ap: port to stop * * Clears the ATA_DMA_START flag in the bmdma control register * @@ -2221,6 +2220,7 @@ static u8 mv_sff_check_status(struct ata_port *ap) /** * mv_send_fis - Send a FIS, using the "Vendor-Unique FIS" register + * @ap: ATA port to send a FIS * @fis: fis to be sent * @nwords: number of 32-bit words in the fis */ @@ -3249,7 +3249,7 @@ static void mv6_reset_flash(struct mv_host_priv *hpriv, void __iomem *mmio) writel(tmp, mmio + GPIO_PORT_CTL); } -/** +/* * mv6_reset_hc - Perform the 6xxx global soft reset * @mmio: base address of the HBA * @@ -3530,7 +3530,7 @@ static void mv_soc_65n_phy_errata(struct mv_host_priv *hpriv, writel(reg, port_mmio + PHY_MODE9_GEN1); } -/** +/* * soc_is_65 - check if the soc is 65 nano device * * Detect the type of the SoC, this is done by reading the PHYCFG_OFS @@ -4097,6 +4097,10 @@ static int mv_platform_probe(struct platform_device *pdev) n_ports = mv_platform_data->n_ports; irq = platform_get_irq(pdev, 0); } + if (irq < 0) + return irq; + if (!irq) + return -EINVAL; host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); hpriv = devm_kzalloc(&pdev->dev, sizeof(*hpriv), GFP_KERNEL); |