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From: Russell King <rmk@arm.linux.org.uk>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Greg K-H <greg@kroah.com>, IDE <linux-ide@vger.kernel.org>
Subject: [CFT 1/3] Add ide_bus_type probe and remove methods
Date: Fri, 06 Jan 2006 11:41:00 +0000	[thread overview]
Message-ID: <20060106114059.13.30@flint.arm.linux.org.uk> (raw)
In-Reply-To: <20060105142951.13.01@flint.arm.linux.org.uk>

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

(This is an additional patch - on lkml, see
 "[CFT 1/29] Add bus_type probe, remove, shutdown methods.")

---
 drivers/ide/ide-cd.c     |   14 +++++---------
 drivers/ide/ide-disk.c   |   22 ++++++++--------------
 drivers/ide/ide-floppy.c |   14 +++++---------
 drivers/ide/ide-tape.c   |   18 +++++++-----------
 drivers/ide/ide.c        |   31 +++++++++++++++++++++++++++++++
 include/linux/ide.h      |    5 +++++
 6 files changed, 61 insertions(+), 43 deletions(-)

diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -3264,9 +3264,8 @@ sector_t ide_cdrom_capacity (ide_drive_t
 }
 #endif
 
-static int ide_cd_remove(struct device *dev)
+static void ide_cd_remove(ide_drive_t *drive)
 {
-	ide_drive_t *drive = to_ide_device(dev);
 	struct cdrom_info *info = drive->driver_data;
 
 	ide_unregister_subdriver(drive, info->driver);
@@ -3274,8 +3273,6 @@ static int ide_cd_remove(struct device *
 	del_gendisk(info->disk);
 
 	ide_cd_put(info);
-
-	return 0;
 }
 
 static void ide_cd_release(struct kref *kref)
@@ -3299,7 +3296,7 @@ static void ide_cd_release(struct kref *
 	kfree(info);
 }
 
-static int ide_cd_probe(struct device *);
+static int ide_cd_probe(ide_drive_t *);
 
 #ifdef CONFIG_PROC_FS
 static int proc_idecd_read_capacity
@@ -3325,9 +3322,9 @@ static ide_driver_t ide_cdrom_driver = {
 		.owner		= THIS_MODULE,
 		.name		= "ide-cdrom",
 		.bus		= &ide_bus_type,
-		.probe		= ide_cd_probe,
-		.remove		= ide_cd_remove,
 	},
+	.probe			= ide_cd_probe,
+	.remove			= ide_cd_remove,
 	.version		= IDECD_VERSION,
 	.media			= ide_cdrom,
 	.supports_dsc_overlap	= 1,
@@ -3421,9 +3418,8 @@ static char *ignore = NULL;
 module_param(ignore, charp, 0400);
 MODULE_DESCRIPTION("ATAPI CD-ROM Driver");
 
-static int ide_cd_probe(struct device *dev)
+static int ide_cd_probe(ide_drive_t *drive)
 {
-	ide_drive_t *drive = to_ide_device(dev);
 	struct cdrom_info *info;
 	struct gendisk *g;
 	struct request_sense sense;
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -1028,9 +1028,8 @@ static void ide_cacheflush_p(ide_drive_t
 		printk(KERN_INFO "%s: wcache flush failed!\n", drive->name);
 }
 
-static int ide_disk_remove(struct device *dev)
+static void ide_disk_remove(ide_drive_t *drive)
 {
-	ide_drive_t *drive = to_ide_device(dev);
 	struct ide_disk_obj *idkp = drive->driver_data;
 	struct gendisk *g = idkp->disk;
 
@@ -1041,8 +1040,6 @@ static int ide_disk_remove(struct device
 	ide_cacheflush_p(drive);
 
 	ide_disk_put(idkp);
-
-	return 0;
 }
 
 static void ide_disk_release(struct kref *kref)
@@ -1058,12 +1055,10 @@ static void ide_disk_release(struct kref
 	kfree(idkp);
 }
 
-static int ide_disk_probe(struct device *dev);
+static int ide_disk_probe(ide_drive_t *drive);
 
-static void ide_device_shutdown(struct device *dev)
+static void ide_device_shutdown(ide_drive_t *drive)
 {
-	ide_drive_t *drive = container_of(dev, ide_drive_t, gendev);
-
 #ifdef	CONFIG_ALPHA
 	/* On Alpha, halt(8) doesn't actually turn the machine off,
 	   it puts you into the sort of firmware monitor. Typically,
@@ -1085,7 +1080,7 @@ static void ide_device_shutdown(struct d
 	}
 
 	printk("Shutdown: %s\n", drive->name);
-	dev->bus->suspend(dev, PMSG_SUSPEND);
+	drive->gendev.bus->suspend(&drive->gendev, PMSG_SUSPEND);
 }
 
 static ide_driver_t idedisk_driver = {
@@ -1093,10 +1088,10 @@ static ide_driver_t idedisk_driver = {
 		.owner		= THIS_MODULE,
 		.name		= "ide-disk",
 		.bus		= &ide_bus_type,
-		.probe		= ide_disk_probe,
-		.remove		= ide_disk_remove,
-		.shutdown	= ide_device_shutdown,
 	},
+	.probe			= ide_disk_probe,
+	.remove			= ide_disk_remove,
+	.shutdown		= ide_device_shutdown,
 	.version		= IDEDISK_VERSION,
 	.media			= ide_disk,
 	.supports_dsc_overlap	= 0,
@@ -1201,9 +1196,8 @@ static struct block_device_operations id
 
 MODULE_DESCRIPTION("ATA DISK Driver");
 
-static int ide_disk_probe(struct device *dev)
+static int ide_disk_probe(ide_drive_t *drive)
 {
-	ide_drive_t *drive = to_ide_device(dev);
 	struct ide_disk_obj *idkp;
 	struct gendisk *g;
 
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -1871,9 +1871,8 @@ static void idefloppy_setup (ide_drive_t
 	idefloppy_add_settings(drive);
 }
 
-static int ide_floppy_remove(struct device *dev)
+static void ide_floppy_remove(ide_drive_t *drive)
 {
-	ide_drive_t *drive = to_ide_device(dev);
 	idefloppy_floppy_t *floppy = drive->driver_data;
 	struct gendisk *g = floppy->disk;
 
@@ -1882,8 +1881,6 @@ static int ide_floppy_remove(struct devi
 	del_gendisk(g);
 
 	ide_floppy_put(floppy);
-
-	return 0;
 }
 
 static void ide_floppy_release(struct kref *kref)
@@ -1922,16 +1919,16 @@ static ide_proc_entry_t idefloppy_proc[]
 
 #endif	/* CONFIG_PROC_FS */
 
-static int ide_floppy_probe(struct device *);
+static int ide_floppy_probe(ide_drive_t *);
 
 static ide_driver_t idefloppy_driver = {
 	.gen_driver = {
 		.owner		= THIS_MODULE,
 		.name		= "ide-floppy",
 		.bus		= &ide_bus_type,
-		.probe		= ide_floppy_probe,
-		.remove		= ide_floppy_remove,
 	},
+	.probe			= ide_floppy_probe,
+	.remove			= ide_floppy_remove,
 	.version		= IDEFLOPPY_VERSION,
 	.media			= ide_floppy,
 	.supports_dsc_overlap	= 0,
@@ -2124,9 +2121,8 @@ static struct block_device_operations id
 	.revalidate_disk= idefloppy_revalidate_disk
 };
 
-static int ide_floppy_probe(struct device *dev)
+static int ide_floppy_probe(ide_drive_t *drive)
 {
-	ide_drive_t *drive = to_ide_device(dev);
 	idefloppy_floppy_t *floppy;
 	struct gendisk *g;
 
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -4682,9 +4682,8 @@ static void idetape_setup (ide_drive_t *
 	idetape_add_settings(drive);
 }
 
-static int ide_tape_remove(struct device *dev)
+static void ide_tape_remove(ide_drive_t *drive)
 {
-	ide_drive_t *drive = to_ide_device(dev);
 	idetape_tape_t *tape = drive->driver_data;
 
 	ide_unregister_subdriver(drive, tape->driver);
@@ -4692,8 +4691,6 @@ static int ide_tape_remove(struct device
 	ide_unregister_region(tape->disk);
 
 	ide_tape_put(tape);
-
-	return 0;
 }
 
 static void ide_tape_release(struct kref *kref)
@@ -4745,16 +4742,16 @@ static ide_proc_entry_t idetape_proc[] =
 
 #endif
 
-static int ide_tape_probe(struct device *);
+static int ide_tape_probe(ide_drive_t *);
 
 static ide_driver_t idetape_driver = {
 	.gen_driver = {
 		.owner		= THIS_MODULE,
 		.name		= "ide-tape",
 		.bus		= &ide_bus_type,
-		.probe		= ide_tape_probe,
-		.remove		= ide_tape_remove,
 	},
+	.probe			= ide_tape_probe,
+	.remove			= ide_tape_remove,
 	.version		= IDETAPE_VERSION,
 	.media			= ide_tape,
 	.supports_dsc_overlap 	= 1,
@@ -4825,9 +4822,8 @@ static struct block_device_operations id
 	.ioctl		= idetape_ioctl,
 };
 
-static int ide_tape_probe(struct device *dev)
+static int ide_tape_probe(ide_drive_t *drive)
 {
-	ide_drive_t *drive = to_ide_device(dev);
 	idetape_tape_t *tape;
 	struct gendisk *g;
 	int minor;
@@ -4883,9 +4879,9 @@ static int ide_tape_probe(struct device 
 	idetape_setup(drive, tape, minor);
 
 	class_device_create(idetape_sysfs_class, NULL,
-			MKDEV(IDETAPE_MAJOR, minor), dev, "%s", tape->name);
+			MKDEV(IDETAPE_MAJOR, minor), &drive->gendev, "%s", tape->name);
 	class_device_create(idetape_sysfs_class, NULL,
-			MKDEV(IDETAPE_MAJOR, minor + 128), dev, "n%s", tape->name);
+			MKDEV(IDETAPE_MAJOR, minor + 128), &drive->gendev, "n%s", tape->name);
 
 	devfs_mk_cdev(MKDEV(HWIF(drive)->major, minor),
 			S_IFCHR | S_IRUGO | S_IWUGO,
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1904,9 +1904,40 @@ static int ide_bus_match(struct device *
 	return 1;
 }
 
+static int generic_ide_probe(struct device *dev)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	ide_driver_t *drv = to_ide_driver(dev->driver);
+
+	return drv->probe ? drv->probe(drive) : -ENODEV;
+}
+
+static int generic_ide_remove(struct device *dev)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	ide_driver_t *drv = to_ide_driver(dev->driver);
+
+	if (drv->remove)
+		drv->remove(drive);
+
+	return 0;
+}
+
+static void generic_ide_shutdown(struct device *dev)
+{
+	ide_drive_t *drive = to_ide_device(dev);
+	ide_driver_t *drv = to_ide_driver(dev->driver);
+
+	if (dev->driver && drv->shutdown)
+		drv->shutdown(drive);
+}
+
 struct bus_type ide_bus_type = {
 	.name		= "ide",
 	.match		= ide_bus_match,
+	.probe		= generic_ide_probe,
+	.remove		= generic_ide_remove,
+	.shutdown	= generic_ide_shutdown,
 	.suspend	= generic_ide_suspend,
 	.resume		= generic_ide_resume,
 };
diff --git a/include/linux/ide.h b/include/linux/ide.h
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -982,8 +982,13 @@ typedef struct ide_driver_s {
 	ide_startstop_t	(*abort)(ide_drive_t *, struct request *rq);
 	ide_proc_entry_t	*proc;
 	struct device_driver	gen_driver;
+	int		(*probe)(ide_drive_t *);
+	void		(*remove)(ide_drive_t *);
+	void		(*shutdown)(ide_drive_t *);
 } ide_driver_t;
 
+#define to_ide_driver(drv) container_of(drv, ide_driver_t, gen_driver)
+
 int generic_ide_ioctl(ide_drive_t *, struct file *, struct block_device *, unsigned, unsigned long);
 
 /*

  parent reply	other threads:[~2006-01-06 11:41 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-01-05 14:29 [CFT 1/29] Add bus_type probe, remove, shutdown methods Russell King
2006-01-05 14:30 ` [CFT 2/29] Add pci_bus_type probe and remove methods Russell King
2006-01-05 14:30 ` [CFT 3/29] Add ecard_bus_type probe/remove/shutdown methods Russell King
2006-01-05 14:31 ` [CFT 4/29] " Russell King
2006-01-05 14:32 ` [CFT 5/29] Add AMBA bus_type " Russell King
2006-01-05 14:32 ` [CFT 6/29] Add SA1111 bus_type probe/remove methods Russell King
2006-01-05 14:33 ` [CFT 7/29] Add locomo " Russell King
2006-01-05 15:35   ` Richard Purdie
2006-01-05 14:33 ` [CFT 8/29] Add logic module " Russell King
2006-01-05 14:34 ` [CFT 9/29] Add tiocx " Russell King
2006-01-12  9:45   ` Paul Jackson
2006-01-12 10:31     ` Paul Jackson
2006-01-05 14:34 ` [CFT 10/29] Add parisc_bus_type probe and remove methods Russell King
2006-01-05 18:46   ` [parisc-linux] " Matthew Wilcox
2006-01-05 14:35 ` [CFT 11/29] Add ocp_bus_type " Russell King
2006-01-05 14:35 ` [CFT 12/29] Add sh_bus_type " Russell King
2006-01-05 14:36 ` [CFT 13/29] Add of_platform_bus_type " Russell King
2006-01-05 14:36 ` [CFT 14/29] Add vio_bus_type " Russell King
2006-01-05 14:37 ` [CFT 15/29] Add dio_bus_type " Russell King
2006-01-05 14:37 ` [CFT 16/29] Add i2c_bus_type " Russell King
2006-01-05 14:38 ` [CFT 17/29] Add gameport bus_type " Russell King
2006-01-05 14:38 ` [CFT 18/29] Add serio " Russell King
2006-01-05 14:39 ` [CFT 19/29] Add macio_bus_type " Russell King
2006-01-05 14:39 ` [CFT 20/29] Add MCP bus_type " Russell King
2006-01-05 14:40 ` [CFT 21/29] Add mmc_bus_type " Russell King
2006-01-05 14:40 ` [CFT 22/29] Add pcmcia_bus_type " Russell King
2006-01-05 14:41 ` [CFT 23/29] Add pnp_bus_type " Russell King
2006-01-05 14:42 ` [CFT 24/29] Add ccwgroup_bus_type " Russell King
2006-01-05 14:42 ` [CFT 25/29] Add superhyway_bus_type " Russell King
2006-01-05 14:43 ` [CFT 26/29] Add usb_serial_bus_type " Russell King
2006-01-05 14:43 ` [CFT 27/29] Add zorro_bus_type " Russell King
2006-01-05 14:44 ` [CFT 28/29] Add rio_bus_type " Russell King
2006-01-05 14:44 ` [CFT 29/29] Add Pseudo LLD bus_type " Russell King
2006-01-05 23:07 ` [CFT 1/29] Add bus_type probe, remove, shutdown methods Greg KH
2006-01-05 23:24   ` Russell King
2006-01-06  0:44     ` Greg KH
2006-01-06 11:41 ` Russell King [this message]
2006-01-11 15:01   ` [CFT 1/3] Add ide_bus_type probe and remove methods Bartlomiej Zolnierkiewicz
2006-01-06 11:41 ` [CFT 2/3] Remove usb gadget generic driver methods Russell King
2006-01-06 11:42 ` [CFT 3/3] Add bttv sub bus_type probe and remove methods Russell King
2006-01-10 15:05   ` Michael Krufky
2006-01-06 11:48 ` [CFT 1/29] Add bus_type probe, remove, shutdown methods Russell King
2006-01-06 13:38   ` Cornelia Huck
2006-01-11  9:56     ` [PATCH] Add {css,ccw}_bus_type " Cornelia Huck
2006-01-06 16:34   ` [CFT 1/29] Add bus_type " James Bottomley
2006-01-06 16:57     ` Russell King

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