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Message-Id: <200704102245.37696.bzolnier@gmail.com>
Date: Tue, 10 Apr 2007 22:45:37 +0200
From: Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [git patches] IDE fixes
Please pull from:
master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6.git/
to receive the following updates:
drivers/ide/ide-cd.c | 9 +++++++++
drivers/ide/ide-io.c | 6 +++++-
drivers/ide/ide-iops.c | 2 ++
drivers/ide/ide.c | 2 ++
include/linux/ide.h | 2 ++
5 files changed, 20 insertions(+), 1 deletions(-)
Danny Kukawka (1):
ide: add "optical" to sysfs "media" attribute
Stuart Hayes (1):
ide: ugly messages trying to open CD drive with no media present
Suleiman Souhlal (1):
ide: correctly prevent IDE timer expiry function to run if request was already handled
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 45a928c..638becd 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -735,6 +735,15 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
cdrom_saw_media_change (drive);
/*printk("%s: media changed\n",drive->name);*/
return 0;
+ } else if ((sense_key == ILLEGAL_REQUEST) &&
+ (rq->cmd[0] == GPCMD_START_STOP_UNIT)) {
+ /*
+ * Don't print error message for this condition--
+ * SFF8090i indicates that 5/24/00 is the correct
+ * response to a request to close the tray if the
+ * drive doesn't have that capability.
+ * cdrom_log_sense() knows this!
+ */
} else if (!(rq->cmd_flags & REQ_QUIET)) {
/* Otherwise, print an error. */
ide_dump_status(drive, "packet command error", stat);
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 0e02800..8670112 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -1226,6 +1226,7 @@ static void ide_do_request (ide_hwgroup_t *hwgroup, int masked_irq)
#endif
/* so that ide_timer_expiry knows what to do */
hwgroup->sleeping = 1;
+ hwgroup->req_gen_timer = hwgroup->req_gen;
mod_timer(&hwgroup->timer, sleep);
/* we purposely leave hwgroup->busy==1
* while sleeping */
@@ -1411,7 +1412,8 @@ void ide_timer_expiry (unsigned long data)
spin_lock_irqsave(&ide_lock, flags);
- if ((handler = hwgroup->handler) == NULL) {
+ if (((handler = hwgroup->handler) == NULL) ||
+ (hwgroup->req_gen != hwgroup->req_gen_timer)) {
/*
* Either a marginal timeout occurred
* (got the interrupt just as timer expired),
@@ -1439,6 +1441,7 @@ void ide_timer_expiry (unsigned long data)
if ((wait = expiry(drive)) > 0) {
/* reset timer */
hwgroup->timer.expires = jiffies + wait;
+ hwgroup->req_gen_timer = hwgroup->req_gen;
add_timer(&hwgroup->timer);
spin_unlock_irqrestore(&ide_lock, flags);
return;
@@ -1653,6 +1656,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
printk(KERN_ERR "%s: ide_intr: hwgroup->busy was 0 ??\n", drive->name);
}
hwgroup->handler = NULL;
+ hwgroup->req_gen++;
del_timer(&hwgroup->timer);
spin_unlock(&ide_lock);
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 1ee53a5..3caa176 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -889,6 +889,7 @@ static void __ide_set_handler (ide_drive_t *drive, ide_handler_t *handler,
hwgroup->handler = handler;
hwgroup->expiry = expiry;
hwgroup->timer.expires = jiffies + timeout;
+ hwgroup->req_gen_timer = hwgroup->req_gen;
add_timer(&hwgroup->timer);
}
@@ -929,6 +930,7 @@ void ide_execute_command(ide_drive_t *drive, task_ioreg_t cmd, ide_handler_t *ha
hwgroup->handler = handler;
hwgroup->expiry = expiry;
hwgroup->timer.expires = jiffies + timeout;
+ hwgroup->req_gen_timer = hwgroup->req_gen;
add_timer(&hwgroup->timer);
hwif->OUTBSYNC(drive, cmd, IDE_COMMAND_REG);
/* Drive takes 400nS to respond, we must avoid the IRQ being
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index a6f098f..ae5bf2b 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1962,6 +1962,8 @@ static char *media_string(ide_drive_t *drive)
return "tape";
case ide_floppy:
return "floppy";
+ case ide_optical:
+ return "optical";
default:
return "UNKNOWN";
}
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 58564a1..d3bbc71 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -861,6 +861,8 @@ typedef struct hwgroup_s {
int (*expiry)(ide_drive_t *);
/* ide_system_bus_speed */
int pio_clock;
+ int req_gen;
+ int req_gen_timer;
unsigned char cmd_buf[4];
} ide_hwgroup_t;
-
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