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Message-Id: <20080810153707.16255.15094.sendpatchset@localhost.localdomain>
Date: Sun, 10 Aug 2008 17:37:07 +0200
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: linux-ide@...r.kernel.org
Cc: Borislav Petkov <petkovbb@...il.com>,
Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 14/22] 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.
Cc: Borislav Petkov <petkovbb@...il.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
---
drivers/ide/ide-floppy.c | 13 ++++---------
drivers/ide/ide-tape.c | 13 +++----------
include/linux/ide.h | 28 ++++++++++++++++++++++------
3 files changed, 29 insertions(+), 25 deletions(-)
Index: b/drivers/ide/ide-floppy.c
===================================================================
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -60,10 +60,6 @@
#define debug_log(fmt, args...) do {} while (0)
#endif
-
-/* Some drives require a longer irq timeout. */
-#define IDEFLOPPY_WAIT_CMD (5 * WAIT_CMD)
-
/*
* After each failed packet command we issue a request sense command and retry
* the packet command IDEFLOPPY_MAX_PC_RETRIES times.
@@ -225,7 +221,7 @@ static ide_startstop_t idefloppy_pc_intr
idefloppy_floppy_t *floppy = drive->driver_data;
return ide_pc_intr(drive, floppy->pc, idefloppy_pc_intr,
- IDEFLOPPY_WAIT_CMD, NULL, idefloppy_update_buffers,
+ WAIT_FLOPPY_CMD, NULL, idefloppy_update_buffers,
idefloppy_retry_pc, NULL, ide_io_buffers);
}
@@ -243,10 +239,9 @@ static int idefloppy_transfer_pc(ide_dri
drive->hwif->tp_ops->output_data(drive, NULL, floppy->pc->c, 12);
/* Timeout for the packet command */
- return IDEFLOPPY_WAIT_CMD;
+ return WAIT_FLOPPY_CMD;
}
-
/*
* Called as an interrupt (or directly). When the device says it's ready for a
* packet, we schedule the packet transfer to occur about 2-3 ticks later in
@@ -271,7 +266,7 @@ static ide_startstop_t idefloppy_start_p
timeout = floppy->ticks;
expiry = &idefloppy_transfer_pc;
} else {
- timeout = IDEFLOPPY_WAIT_CMD;
+ timeout = WAIT_FLOPPY_CMD;
expiry = NULL;
}
@@ -321,7 +316,7 @@ static ide_startstop_t idefloppy_issue_p
pc->retries++;
return ide_issue_pc(drive, pc, idefloppy_start_pc_transfer,
- IDEFLOPPY_WAIT_CMD, NULL);
+ WAIT_FLOPPY_CMD, NULL);
}
void ide_floppy_create_read_capacity_cmd(struct ide_atapi_pc *pc)
Index: b/drivers/ide/ide-tape.c
===================================================================
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -81,13 +81,6 @@ enum {
#define IDETAPE_MAX_PC_RETRIES 3
/*
- * Some drives (for example, Seagate STT3401A Travan) require a very long
- * timeout, because they don't return an interrupt or clear their busy bit
- * until after the command completes (even retension commands).
- */
-#define IDETAPE_WAIT_CMD (900*HZ)
-
-/*
* The following parameter is used to select the point in the internal tape fifo
* in which we will start to refill the buffer. Decreasing the following
* parameter will improve the system's latency and interactive response, while
@@ -663,7 +656,7 @@ static ide_startstop_t idetape_pc_intr(i
{
idetape_tape_t *tape = drive->driver_data;
- return ide_pc_intr(drive, tape->pc, idetape_pc_intr, IDETAPE_WAIT_CMD,
+ return ide_pc_intr(drive, tape->pc, idetape_pc_intr, WAIT_TAPE_CMD,
NULL, idetape_update_buffers, idetape_retry_pc,
ide_tape_handle_dsc, ide_tape_io_buffers);
}
@@ -709,7 +702,7 @@ static ide_startstop_t idetape_transfer_
idetape_tape_t *tape = drive->driver_data;
return ide_transfer_pc(drive, tape->pc, idetape_pc_intr,
- IDETAPE_WAIT_CMD, NULL);
+ WAIT_TAPE_CMD, NULL);
}
static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
@@ -758,7 +751,7 @@ static ide_startstop_t idetape_issue_pc(
pc->retries++;
return ide_issue_pc(drive, pc, idetape_transfer_pc,
- IDETAPE_WAIT_CMD, NULL);
+ WAIT_TAPE_CMD, NULL);
}
/* A mode sense command is used to "sense" tape parameters. */
Index: b/include/linux/ide.h
===================================================================
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -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().
--
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