diff options
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index d1dfe872ee30..0f17643e0a6e 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 +1382,18 @@ 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) +{ + if (!(status & ATA_BUSY)) + return 1; + + /* 0xff indicates either no device or device not ready */ + if (status == 0xff) + return -ENODEV; + + return 0; +} + /************************************************************************** * PMP - drivers/ata/libata-pmp.c |