From c56b14d2a3e32695e13cd49b417da889da744d1c Mon Sep 17 00:00:00 2001 From: Albert Lee Date: Fri, 30 Sep 2005 19:07:39 +0800 Subject: [PATCH] [PATCH] libata irq-pio: add comments and cleanup Signed-off-by: Albert Lee Signed-off-by: Jeff Garzik --- drivers/scsi/libata-core.c | 12 ------------ include/linux/libata.h | 19 ++++++++++--------- 2 files changed, 10 insertions(+), 21 deletions(-) diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index f8a590e59f10..617836a313f0 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -3430,18 +3430,6 @@ int ata_qc_issue_prot(struct ata_queued_cmd *qc) break; case ATA_PROT_ATAPI: - if (qc->tf.flags & ATA_TFLAG_POLLING) - ata_qc_set_polling(qc); - - ata_tf_to_host_nolock(ap, &qc->tf); - ap->hsm_task_state = HSM_ST_FIRST; - - /* send cdb by polling if no cdb interrupt */ - if ((!(qc->dev->flags & ATA_DFLAG_CDB_INTR)) || - (qc->tf.flags & ATA_TFLAG_POLLING)) - queue_work(ata_wq, &ap->packet_task); - break; - case ATA_PROT_ATAPI_NODATA: if (qc->tf.flags & ATA_TFLAG_POLLING) ata_qc_set_polling(qc); 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 */ -- 2.34.1