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-rw-r--r--sys/dev/ata/ata-all.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/sys/dev/ata/ata-all.c b/sys/dev/ata/ata-all.c
index 6a210fff145e..f8d2d9eb0c6c 100644
--- a/sys/dev/ata/ata-all.c
+++ b/sys/dev/ata/ata-all.c
@@ -559,7 +559,6 @@ static void
ata_intr(void *data)
{
struct ata_softc *scp = (struct ata_softc *)data;
-
/*
* on PCI systems we might share an interrupt line with another
* device or our twin ATA channel, so call scp->intr_func to figure
@@ -685,28 +684,34 @@ void
ata_reset(struct ata_softc *scp)
{
u_int8_t lsb, msb, ostat0, ostat1;
- u_int8_t stat0 = ATA_S_BUSY, stat1 = ATA_S_BUSY;
+ u_int8_t stat0 = 0, stat1 = 0;
int mask = 0, timeout;
/* do we have any signs of ATA/ATAPI HW being present ? */
ATA_OUTB(scp->r_io, ATA_DRIVE, ATA_D_IBM | ATA_MASTER);
DELAY(10);
ostat0 = ATA_INB(scp->r_io, ATA_STATUS);
- if ((ostat0 & 0xf8) != 0xf8 && ostat0 != 0xa5)
+ if ((ostat0 & 0xf8) != 0xf8 && ostat0 != 0xa5) {
+ stat0 = ATA_S_BUSY;
mask |= 0x01;
+ }
ATA_OUTB(scp->r_io, ATA_DRIVE, ATA_D_IBM | ATA_SLAVE);
DELAY(10);
ostat1 = ATA_INB(scp->r_io, ATA_STATUS);
- if ((ostat1 & 0xf8) != 0xf8 && ostat1 != 0xa5)
+ if ((ostat1 & 0xf8) != 0xf8 && ostat1 != 0xa5) {
+ stat1 = ATA_S_BUSY;
mask |= 0x02;
+ }
scp->devices = 0;
if (!mask)
return;
/* in some setups we dont want to test for a slave */
- if (scp->flags & ATA_NO_SLAVE)
+ if (scp->flags & ATA_NO_SLAVE) {
+ stat1 = 0x0;
mask &= ~0x02;
+ }
if (bootverbose)
ata_printf(scp, -1, "mask=%02x ostat0=%02x ostat2=%02x\n",
@@ -985,7 +990,7 @@ ata_command(struct ata_softc *scp, int device, u_int8_t command,
}
/* only use 48bit addressing if needed because of the overhead */
- if ((lba > 268435455 || count > 256) &&
+ if ((lba > 268435455 || count > 256) && scp->dev_param[ATA_DEV(device)] &&
scp->dev_param[ATA_DEV(device)]->support.address48) {
ATA_OUTB(scp->r_io, ATA_FEATURE, (feature>>8) & 0xff);
ATA_OUTB(scp->r_io, ATA_FEATURE, feature);