ide: move IDE{FLOPPY,TAPE}_WAIT_CMD defines to <linux/ide.h>

While at it:

* IDE{FLOPPY,TAPE}_WAIT_CMD -> WAIT_{FLOPPY,TAPE}_CMD

* Use enum for WAIT_* defines.

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-10 22:39:39 +02:00
parent de699ad595
commit d6e2955a6b
3 changed files with 29 additions and 25 deletions

View File

@@ -133,12 +133,28 @@ struct ide_io_ports {
/*
* Timeouts for various operations:
*/
#define WAIT_DRQ (HZ/10) /* 100msec - spec allows up to 20ms */
#define WAIT_READY (5*HZ) /* 5sec - some laptops are very slow */
#define WAIT_PIDENTIFY (10*HZ) /* 10sec - should be less than 3ms (?), if all ATAPI CD is closed at boot */
#define WAIT_WORSTCASE (30*HZ) /* 30sec - worst case when spinning up */
#define WAIT_CMD (10*HZ) /* 10sec - maximum wait for an IRQ to happen */
#define WAIT_MIN_SLEEP (2*HZ/100) /* 20msec - minimum sleep time */
enum {
/* spec allows up to 20ms */
WAIT_DRQ = HZ / 10, /* 100ms */
/* some laptops are very slow */
WAIT_READY = 5 * HZ, /* 5s */
/* should be less than 3ms (?), if all ATAPI CD is closed at boot */
WAIT_PIDENTIFY = 10 * HZ, /* 10s */
/* worst case when spinning up */
WAIT_WORSTCASE = 30 * HZ, /* 30s */
/* maximum wait for an IRQ to happen */
WAIT_CMD = 10 * HZ, /* 10s */
/* Some drives require a longer IRQ timeout. */
WAIT_FLOPPY_CMD = 50 * HZ, /* 50s */
/*
* Some drives (for example, Seagate STT3401A Travan) require a very
* long timeout, because they don't return an interrupt or clear their
* BSY bit until after the command completes (even retension commands).
*/
WAIT_TAPE_CMD = 900 * HZ, /* 900s */
/* minimum sleep time */
WAIT_MIN_SLEEP = HZ / 50, /* 20ms */
};
/*
* Op codes for special requests to be handled by ide_special_rq().