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Diffstat (limited to 'drivers/ata/sata_svw.c')
-rw-r--r--drivers/ata/sata_svw.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 63fe99afd59f..92e877075037 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(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;
+ return -EINVAL;
writel(val, ap->ioaddr.scr_addr + (sc_reg * 4));
+ return 0;
}
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