summaryrefslogtreecommitdiff
path: root/drivers/ide/ide.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ide/ide.c')
-rw-r--r--drivers/ide/ide.c76
1 files changed, 19 insertions, 57 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index 2b8453510e09..d4a6b102a772 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -50,29 +50,16 @@
#include <linux/types.h>
#include <linux/string.h>
#include <linux/kernel.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
#include <linux/interrupt.h>
#include <linux/major.h>
#include <linux/errno.h>
#include <linux/genhd.h>
-#include <linux/blkpg.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/pci.h>
-#include <linux/delay.h>
#include <linux/ide.h>
#include <linux/completion.h>
-#include <linux/reboot.h>
-#include <linux/cdrom.h>
-#include <linux/seq_file.h>
#include <linux/device.h>
-#include <linux/bitops.h>
-
-#include <asm/byteorder.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/io.h>
/* default maximum number of failures */
@@ -91,8 +78,6 @@ DEFINE_MUTEX(ide_cfg_mtx);
__cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock);
EXPORT_SYMBOL(ide_lock);
-ide_hwif_t ide_hwifs[MAX_HWIFS]; /* master data repository */
-
static void ide_port_init_devices_data(ide_hwif_t *);
/*
@@ -121,7 +106,6 @@ void ide_init_port_data(ide_hwif_t *hwif, unsigned int index)
ide_port_init_devices_data(hwif);
}
-EXPORT_SYMBOL_GPL(ide_init_port_data);
static void ide_port_init_devices_data(ide_hwif_t *hwif)
{
@@ -150,18 +134,6 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif)
}
}
-static void __init init_ide_data (void)
-{
- unsigned int index;
-
- /* Initialise all interface structures */
- for (index = 0; index < MAX_HWIFS; ++index) {
- ide_hwif_t *hwif = &ide_hwifs[index];
-
- ide_init_port_data(hwif, index);
- }
-}
-
void ide_remove_port_from_hwgroup(ide_hwif_t *hwif)
{
ide_hwgroup_t *hwgroup = hwif->hwgroup;
@@ -312,7 +284,8 @@ void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw)
memcpy(&hwif->io_ports, &hw->io_ports, sizeof(hwif->io_ports));
hwif->irq = hw->irq;
hwif->chipset = hw->chipset;
- hwif->gendev.parent = hw->dev;
+ hwif->dev = hw->dev;
+ hwif->gendev.parent = hw->parent ? hw->parent : hw->dev;
hwif->ack_intr = hw->ack_intr;
}
EXPORT_SYMBOL_GPL(ide_init_port_hw);
@@ -556,6 +529,22 @@ static int generic_ide_resume(struct device *dev)
return err;
}
+static int generic_drive_reset(ide_drive_t *drive)
+{
+ struct request *rq;
+ int ret = 0;
+
+ rq = blk_get_request(drive->queue, READ, __GFP_WAIT);
+ rq->cmd_type = REQ_TYPE_SPECIAL;
+ rq->cmd_len = 1;
+ rq->cmd[0] = REQ_DRIVE_RESET;
+ rq->cmd_flags |= REQ_SOFTBARRIER;
+ if (blk_execute_rq(drive->queue, NULL, rq, 1))
+ ret = rq->errors;
+ blk_put_request(rq);
+ return ret;
+}
+
int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device *bdev,
unsigned int cmd, unsigned long arg)
{
@@ -630,33 +619,8 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
- /*
- * Abort the current command on the
- * group if there is one, taking
- * care not to allow anything else
- * to be queued and to die on the
- * spot if we miss one somehow
- */
-
- spin_lock_irqsave(&ide_lock, flags);
-
- if (HWGROUP(drive)->resetting) {
- spin_unlock_irqrestore(&ide_lock, flags);
- return -EBUSY;
- }
+ return generic_drive_reset(drive);
- ide_abort(drive, "drive reset");
-
- BUG_ON(HWGROUP(drive)->handler);
-
- /* Ensure nothing gets queued after we
- drop the lock. Reset will clear the busy */
-
- HWGROUP(drive)->busy = 1;
- spin_unlock_irqrestore(&ide_lock, flags);
- (void) ide_do_reset(drive);
-
- return 0;
case HDIO_GET_BUSSTATE:
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
@@ -1021,8 +985,6 @@ static int __init ide_init(void)
goto out_port_class;
}
- init_ide_data();
-
proc_ide_create();
return 0;