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authorIngo Molnar <mingo@elte.hu>2008-06-16 05:24:43 -0400
committerIngo Molnar <mingo@elte.hu>2008-06-16 05:24:43 -0400
commit8bbd54d69e9c66adbf544e21d8dcfb15fb9198f7 (patch)
tree95f30814fc759c2cb523dbea95bc531c7f8f3231 /include/linux/libata.h
parent8c2238eaaf0f774ca0f8d9daad7a616429bbb7f1 (diff)
parent066519068ad2fbe98c7f45552b1f592903a9c8c8 (diff)
Merge branch 'linus' into core/softlockup
Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h19
1 files changed, 2 insertions, 17 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 4a92fbafce9d..e57e5d08312d 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -111,13 +111,10 @@ enum {
111 /* various global constants */ 111 /* various global constants */
112 LIBATA_MAX_PRD = ATA_MAX_PRD / 2, 112 LIBATA_MAX_PRD = ATA_MAX_PRD / 2,
113 LIBATA_DUMB_MAX_PRD = ATA_MAX_PRD / 4, /* Worst case */ 113 LIBATA_DUMB_MAX_PRD = ATA_MAX_PRD / 4, /* Worst case */
114 ATA_MAX_PORTS = 8,
115 ATA_DEF_QUEUE = 1, 114 ATA_DEF_QUEUE = 1,
116 /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */ 115 /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */
117 ATA_MAX_QUEUE = 32, 116 ATA_MAX_QUEUE = 32,
118 ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1, 117 ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1,
119 ATA_MAX_BUS = 2,
120 ATA_DEF_BUSY_WAIT = 10000,
121 ATA_SHORT_PAUSE = (HZ >> 6) + 1, 118 ATA_SHORT_PAUSE = (HZ >> 6) + 1,
122 119
123 ATAPI_MAX_DRAIN = 16 << 10, 120 ATAPI_MAX_DRAIN = 16 << 10,
@@ -1435,7 +1432,8 @@ extern void ata_sff_qc_prep(struct ata_queued_cmd *qc);
1435extern void ata_sff_dumb_qc_prep(struct ata_queued_cmd *qc); 1432extern void ata_sff_dumb_qc_prep(struct ata_queued_cmd *qc);
1436extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device); 1433extern void ata_sff_dev_select(struct ata_port *ap, unsigned int device);
1437extern u8 ata_sff_check_status(struct ata_port *ap); 1434extern u8 ata_sff_check_status(struct ata_port *ap);
1438extern u8 ata_sff_altstatus(struct ata_port *ap); 1435extern void ata_sff_pause(struct ata_port *ap);
1436extern void ata_sff_dma_pause(struct ata_port *ap);
1439extern int ata_sff_busy_sleep(struct ata_port *ap, 1437extern int ata_sff_busy_sleep(struct ata_port *ap,
1440 unsigned long timeout_pat, unsigned long timeout); 1438 unsigned long timeout_pat, unsigned long timeout);
1441extern int ata_sff_wait_ready(struct ata_link *link, unsigned long deadline); 1439extern int ata_sff_wait_ready(struct ata_link *link, unsigned long deadline);
@@ -1496,19 +1494,6 @@ extern int ata_pci_sff_init_one(struct pci_dev *pdev,
1496#endif /* CONFIG_PCI */ 1494#endif /* CONFIG_PCI */
1497 1495
1498/** 1496/**
1499 * ata_sff_pause - Flush writes and pause 400 nanoseconds.
1500 * @ap: Port to wait for.
1501 *
1502 * LOCKING:
1503 * Inherited from caller.
1504 */
1505static inline void ata_sff_pause(struct ata_port *ap)
1506{
1507 ata_sff_altstatus(ap);
1508 ndelay(400);
1509}
1510
1511/**
1512 * ata_sff_busy_wait - Wait for a port status register 1497 * ata_sff_busy_wait - Wait for a port status register
1513 * @ap: Port to wait for. 1498 * @ap: Port to wait for.
1514 * @bits: bits that must be clear 1499 * @bits: bits that must be clear