diff options
Diffstat (limited to 'drivers/ata/sata_svw.c')
| -rw-r--r-- | drivers/ata/sata_svw.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c index bcb2cd8b063..92e87707503 100644 --- a/drivers/ata/sata_svw.c +++ b/drivers/ata/sata_svw.c @@ -103,20 +103,21 @@ static int k2_sata_check_atapi_dma(struct ata_queued_cmd *qc) return 0; } -static u32 k2_sata_scr_read (struct ata_port *ap, unsigned int sc_reg) +static int k2_sata_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val) { if (sc_reg > SCR_CONTROL) - return 0xffffffffU; - return readl((void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); + return -EINVAL; + *val = readl(ap->ioaddr.scr_addr + (sc_reg * 4)); + return 0; } -static void k2_sata_scr_write (struct ata_port *ap, unsigned int sc_reg, - u32 val) +static int k2_sata_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val) { if (sc_reg > SCR_CONTROL) - return; - writel(val, (void __iomem *) ap->ioaddr.scr_addr + (sc_reg * 4)); + return -EINVAL; + writel(val, ap->ioaddr.scr_addr + (sc_reg * 4)); + return 0; } @@ -197,7 +198,8 @@ static void k2_bmdma_setup_mmio (struct ata_queued_cmd *qc) struct ata_port *ap = qc->ap; unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE); u8 dmactl; - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + void __iomem *mmio = ap->ioaddr.bmdma_addr; + /* load PRD table addr. */ mb(); /* make sure PRD table writes are visible to controller */ writel(ap->prd_dma, mmio + ATA_DMA_TABLE_OFS); @@ -225,7 +227,7 @@ static void k2_bmdma_setup_mmio (struct ata_queued_cmd *qc) static void k2_bmdma_start_mmio (struct ata_queued_cmd *qc) { struct ata_port *ap = qc->ap; - void __iomem *mmio = (void __iomem *) ap->ioaddr.bmdma_addr; + void __iomem *mmio = ap->ioaddr.bmdma_addr; u8 dmactl; /* start host DMA transaction */ @@ -253,7 +255,7 @@ static void k2_bmdma_start_mmio (struct ata_queued_cmd *qc) static u8 k2_stat_check_status(struct ata_port *ap) { - return readl((void __iomem *) ap->ioaddr.status_addr); + return readl(ap->ioaddr.status_addr); } #ifdef CONFIG_PPC_OF @@ -360,7 +362,7 @@ static const struct ata_port_info k2_port_info[] = { ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA, .pio_mask = 0x1f, .mwdma_mask = 0x07, - .udma_mask = 0x7f, + .udma_mask = ATA_UDMA6, .port_ops = &k2_sata_ops, }, /* board_svw8 */ @@ -370,7 +372,7 @@ static const struct ata_port_info k2_port_info[] = { K2_FLAG_SATA_8_PORTS, .pio_mask = 0x1f, .mwdma_mask = 0x07, - .udma_mask = 0x7f, + .udma_mask = ATA_UDMA6, .port_ops = &k2_sata_ops, }, }; |