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[PATCH] libata irq-pio: add comments and cleanup

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Signed-off-by: Albert Lee <albertcc@tw.ibm.com>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Albert Lee
2005-09-30 19:07:39 +08:00
committed by Jeff Garzik
parent e50362eccd
commit c56b14d2a3
2 changed files with 10 additions and 21 deletions
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19
include/linux/libata.h
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@ -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 */