diff options
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/ahci.c | 14 | ||||
| -rw-r--r-- | drivers/ata/libata-core.c | 33 | ||||
| -rw-r--r-- | drivers/ata/sata_inic162x.c | 3 |
3 files changed, 30 insertions, 20 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 0319f10d42d5..d9617892fc23 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -960,15 +960,13 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class, */ msleep(150); - *class = ATA_DEV_NONE; - if (ata_port_online(ap)) { - rc = ata_wait_ready(ap, deadline); - if (rc && rc != -ENODEV) { - reason = "device not ready"; - goto fail; - } - *class = ahci_dev_classify(ap); + rc = ata_wait_ready(ap, deadline); + /* link occupied, -ENODEV too is an error */ + if (rc) { + reason = "device not ready"; + goto fail; } + *class = ahci_dev_classify(ap); DPRINTK("EXIT, class=%u\n", *class); return 0; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 84e9448c12d4..49d26675932e 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -3027,15 +3027,18 @@ static int ata_bus_post_reset(struct ata_port *ap, unsigned int devmask, struct ata_ioports *ioaddr = &ap->ioaddr; unsigned int dev0 = devmask & (1 << 0); unsigned int dev1 = devmask & (1 << 1); - int rc; + int rc, ret = 0; /* if device 0 was found in ata_devchk, wait for its * BSY bit to clear */ if (dev0) { rc = ata_wait_ready(ap, deadline); - if (rc && rc != -ENODEV) - return rc; + if (rc) { + if (rc != -ENODEV) + return rc; + ret = rc; + } } /* if device 1 was found in ata_devchk, wait for @@ -3055,8 +3058,11 @@ static int ata_bus_post_reset(struct ata_port *ap, unsigned int devmask, } if (dev1) { rc = ata_wait_ready(ap, deadline); - if (rc && rc != -ENODEV) - return rc; + if (rc) { + if (rc != -ENODEV) + return rc; + ret = rc; + } } /* is all this really necessary? */ @@ -3066,7 +3072,7 @@ static int ata_bus_post_reset(struct ata_port *ap, unsigned int devmask, if (dev0) ap->ops->dev_select(ap, 0); - return 0; + return ret; } static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask, @@ -3100,7 +3106,7 @@ static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask, * pulldown resistor. */ if (ata_check_status(ap) == 0xFF) - return 0; + return -ENODEV; return ata_bus_post_reset(ap, devmask, deadline); } @@ -3131,6 +3137,7 @@ void ata_bus_reset(struct ata_port *ap) unsigned int slave_possible = ap->flags & ATA_FLAG_SLAVE_POSS; u8 err; unsigned int dev0, dev1 = 0, devmask = 0; + int rc; DPRINTK("ENTER, host %u, port %u\n", ap->print_id, ap->port_no); @@ -3152,9 +3159,11 @@ void ata_bus_reset(struct ata_port *ap) ap->ops->dev_select(ap, 0); /* issue bus reset */ - if (ap->flags & ATA_FLAG_SRST) - if (ata_bus_softreset(ap, devmask, jiffies + 40 * HZ)) + if (ap->flags & ATA_FLAG_SRST) { + rc = ata_bus_softreset(ap, devmask, jiffies + 40 * HZ); + if (rc && rc != -ENODEV) goto err_out; + } /* * determine by signature whether we have ATA or ATAPI devices @@ -3417,7 +3426,8 @@ int ata_std_softreset(struct ata_port *ap, unsigned int *classes, /* issue bus reset */ DPRINTK("about to softreset, devmask=%x\n", devmask); rc = ata_bus_softreset(ap, devmask, deadline); - if (rc) { + /* if link is occupied, -ENODEV too is an error */ + if (rc && (rc != -ENODEV || sata_scr_valid(ap))) { ata_port_printk(ap, KERN_ERR, "SRST failed (errno=%d)\n", rc); return rc; } @@ -3534,7 +3544,8 @@ int sata_std_hardreset(struct ata_port *ap, unsigned int *class, msleep(150); rc = ata_wait_ready(ap, deadline); - if (rc && rc != -ENODEV) { + /* link occupied, -ENODEV too is an error */ + if (rc) { ata_port_printk(ap, KERN_ERR, "COMRESET failed (errno=%d)\n", rc); return rc; diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 25b747e26133..b3b62e985f19 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -453,7 +453,8 @@ static int inic_hardreset(struct ata_port *ap, unsigned int *class, msleep(150); rc = ata_wait_ready(ap, deadline); - if (rc && rc != -ENODEV) { + /* link occupied, -ENODEV too is an error */ + if (rc) { ata_port_printk(ap, KERN_WARNING, "device not ready " "after hardreset (errno=%d)\n", rc); return rc; |