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| author | Albert Lee <albertcc@tw.ibm.com> | 2005-09-30 19:07:39 +0800 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-09-30 07:21:06 -0400 |
| commit | c56b14d2a3e32695e13cd49b417da889da744d1c (patch) | |
| tree | 271722df61c97bd213ad54ac088cd835c09d4d07 /include/linux/libata.h | |
| parent | e50362eccd8809a224cda5f71714a088ba37b2ab (diff) | |
| download | lwn-c56b14d2a3e32695e13cd49b417da889da744d1c.tar.gz lwn-c56b14d2a3e32695e13cd49b417da889da744d1c.zip | |
[PATCH] libata irq-pio: add comments and cleanup
Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index ea8ab29aa92e..1fcd0ef9e1c9 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -158,15 +158,16 @@ enum { }; enum hsm_task_states { - HSM_ST_UNKNOWN, - HSM_ST_IDLE, - HSM_ST_POLL, - HSM_ST_TMOUT, - HSM_ST, - HSM_ST_LAST, - HSM_ST_LAST_POLL, - HSM_ST_ERR, - HSM_ST_FIRST, + HSM_ST_UNKNOWN, /* state unknown */ + HSM_ST_IDLE, /* no command on going */ + HSM_ST_POLL, /* same as HSM_ST, waits longer */ + HSM_ST_TMOUT, /* timeout */ + HSM_ST, /* (waiting the device to) transfer data */ + HSM_ST_LAST, /* (waiting the device to) complete command */ + HSM_ST_LAST_POLL, /* same as HSM_ST_LAST, waits longer */ + HSM_ST_ERR, /* error */ + HSM_ST_FIRST, /* (waiting the device to) + write CDB or first data block */ }; /* forward declarations */ |