diff options
Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r-- | drivers/ata/ahci.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 45a67a9ad8ab..7e251a2cbda5 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c | |||
@@ -1256,6 +1256,16 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp, | |||
1256 | return 0; | 1256 | return 0; |
1257 | } | 1257 | } |
1258 | 1258 | ||
1259 | static int ahci_check_ready(struct ata_link *link) | ||
1260 | { | ||
1261 | void __iomem *mmio = link->ap->ioaddr.cmd_addr; | ||
1262 | u8 status = readl(mmio + PORT_TFDATA) & 0xFF; | ||
1263 | |||
1264 | if (!(status & ATA_BUSY)) | ||
1265 | return 1; | ||
1266 | return 0; | ||
1267 | } | ||
1268 | |||
1259 | static int ahci_do_softreset(struct ata_link *link, unsigned int *class, | 1269 | static int ahci_do_softreset(struct ata_link *link, unsigned int *class, |
1260 | int pmp, unsigned long deadline) | 1270 | int pmp, unsigned long deadline) |
1261 | { | 1271 | { |
@@ -1303,7 +1313,7 @@ static int ahci_do_softreset(struct ata_link *link, unsigned int *class, | |||
1303 | ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0); | 1313 | ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0); |
1304 | 1314 | ||
1305 | /* wait for link to become ready */ | 1315 | /* wait for link to become ready */ |
1306 | rc = ata_sff_wait_after_reset(link, 1, deadline); | 1316 | rc = ata_wait_after_reset(link, deadline, ahci_check_ready); |
1307 | /* link occupied, -ENODEV too is an error */ | 1317 | /* link occupied, -ENODEV too is an error */ |
1308 | if (rc) { | 1318 | if (rc) { |
1309 | reason = "device not ready"; | 1319 | reason = "device not ready"; |
@@ -1426,7 +1436,7 @@ static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, | |||
1426 | * have to be reset again. For most cases, this should | 1436 | * have to be reset again. For most cases, this should |
1427 | * suffice while making probing snappish enough. | 1437 | * suffice while making probing snappish enough. |
1428 | */ | 1438 | */ |
1429 | rc = ata_sff_wait_after_reset(link, 1, jiffies + 2 * HZ); | 1439 | rc = ata_wait_after_reset(link, jiffies + 2 * HZ, ahci_check_ready); |
1430 | if (rc) | 1440 | if (rc) |
1431 | ahci_kick_engine(ap, 0); | 1441 | ahci_kick_engine(ap, 0); |
1432 | 1442 | ||