diff options
| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-05-09 23:24:09 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-05-09 23:24:09 +0100 |
| commit | 1f2ee6496b1f71e9d5aa2448745e65fbafdc3bd5 (patch) | |
| tree | 3f143311afca5e316afd06c2fc4f7d73b19cdcf0 /include/linux/libata.h | |
| parent | 5bf6c6e30d8b71d092e8830208e182d84b907fcd (diff) | |
| parent | da109897a142dd017172c0ce7abf0be8646f7109 (diff) | |
Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/nico/orion into fixes
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index d1dfe872ee3..7e206da1fbf 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1039,6 +1039,7 @@ extern void ata_eh_thaw_port(struct ata_port *ap); extern void ata_eh_qc_complete(struct ata_queued_cmd *qc); extern void ata_eh_qc_retry(struct ata_queued_cmd *qc); +extern void ata_eh_analyze_ncq_error(struct ata_link *link); extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset, ata_reset_fn_t softreset, ata_reset_fn_t hardreset, @@ -1381,6 +1382,21 @@ static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host) return *(struct ata_port **)&host->hostdata[0]; } +static inline int ata_check_ready(u8 status) +{ + /* Some controllers report 0x77 or 0x7f during intermediate + * not-ready stages. + */ + if (status == 0x77 || status == 0x7f) + return 0; + + /* 0xff indicates either no device or device not ready */ + if (status == 0xff) + return -ENODEV; + + return !(status & ATA_BUSY); +} + /************************************************************************** * PMP - drivers/ata/libata-pmp.c |