ahci: add defines for PORT_SCR_STAT register bits
Replace hard-coded register values with proper defines for PORT_SCR_STAT
register.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c
index f088063..ad7e95f 100644
--- a/drivers/block/ahci.c
+++ b/drivers/block/ahci.c
@@ -207,7 +207,8 @@
j = 0;
while (j < WAIT_MS_LINKUP) {
tmp = readl(port_mmio + PORT_SCR_STAT);
- if ((tmp & 0xf) == 0x3)
+ tmp &= PORT_SCR_STAT_DET_MASK;
+ if (tmp == PORT_SCR_STAT_DET_PHYRDY)
break;
udelay(1000);
j++;
@@ -258,7 +259,7 @@
/* register linkup ports */
tmp = readl(port_mmio + PORT_SCR_STAT);
debug("SATA port %d status: 0x%x\n", i, tmp);
- if ((tmp & 0xf) == 0x03)
+ if ((tmp & PORT_SCR_STAT_DET_MASK) == PORT_SCR_STAT_DET_PHYRDY)
probe_ent->link_port_map |= (0x01 << i);
}