diff options
Diffstat (limited to 'drivers/ata/sata_inic162x.c')
| -rw-r--r-- | drivers/ata/sata_inic162x.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 3de1834..a9c948d 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -190,34 +190,34 @@ static void inic_reset_port(void __iomem *port_base) writew(ctl, idma_ctl); } -static u32 inic_scr_read(struct ata_port *ap, unsigned sc_reg) +static int inic_scr_read(struct ata_port *ap, unsigned sc_reg, u32 *val) { void __iomem *scr_addr = ap->ioaddr.scr_addr; void __iomem *addr; - u32 val; if (unlikely(sc_reg >= ARRAY_SIZE(scr_map))) - return 0xffffffffU; + return -EINVAL; addr = scr_addr + scr_map[sc_reg] * 4; - val = readl(scr_addr + scr_map[sc_reg] * 4); + *val = readl(scr_addr + scr_map[sc_reg] * 4); /* this controller has stuck DIAG.N, ignore it */ if (sc_reg == SCR_ERROR) - val &= ~SERR_PHYRDY_CHG; - return val; + *val &= ~SERR_PHYRDY_CHG; + return 0; } -static void inic_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val) +static int inic_scr_write(struct ata_port *ap, unsigned sc_reg, u32 val) { void __iomem *scr_addr = ap->ioaddr.scr_addr; void __iomem *addr; if (unlikely(sc_reg >= ARRAY_SIZE(scr_map))) - return; + return -EINVAL; addr = scr_addr + scr_map[sc_reg] * 4; writel(val, scr_addr + scr_map[sc_reg] * 4); + return 0; } /* |