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* [PATCH] platform driver:fix incorrect use of 'platform_bus_type' with 'struct device_driver'
@ 2009-02-06 15:40 tom.leiming
  2009-02-06 17:59 ` David Brownell
  0 siblings, 1 reply; 3+ messages in thread
From: tom.leiming @ 2009-02-06 15:40 UTC (permalink / raw)
  To: greg, dbrownell, kay.sievers; +Cc: LW, hmh, linux-kernel, Ming Lei

From: Ming Lei <tom.leiming@gmail.com>

This patch fixes the bug reported in
	http://bugzilla.kernel.org/show_bug.cgi?id=11681.

"Lots of device drivers register a 'struct device_driver' with
the '.bus' member set to '&platform_bus_type'. This is wrong,
since the platform_bus functions expect the 'struct device_driver'
to be wrapped up in a 'struct platform_driver' which provides
some additional callbacks (like suspend_late, resume_early).
The effect may be that platform_suspend_late() uses bogus data
outside the device_driver struct as a pointer pointer to the
device driver's suspend_late() function or other hard to
reproduce failures."(Lothar Wassmann)

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
---
 arch/mips/basler/excite/excite_iodev.c |   27 +++++++++++-----------
 drivers/char/tpm/tpm_atmel.c           |   28 ++++++++++++++++-------
 drivers/char/tpm/tpm_tis.c             |   28 ++++++++++++++++-------
 drivers/ide/au1xxx-ide.c               |   36 +++++++++++++++---------------
 drivers/mtd/maps/pxa2xx-flash.c        |   37 ++++++++++++++++---------------
 drivers/mtd/nand/excite_nandflash.c    |   25 +++++++++++----------
 drivers/mtd/onenand/generic.c          |   26 +++++++++++-----------
 drivers/net/mipsnet.c                  |   26 +++++++++++----------
 drivers/pcmcia/au1000_generic.c        |   37 ++++++++++++++++++++-----------
 drivers/pcmcia/i82365.c                |   28 ++++++++++++++++------
 drivers/pcmcia/m32r_cfc.c              |   30 +++++++++++++++++-------
 drivers/pcmcia/m32r_pcc.c              |   30 +++++++++++++++++-------
 drivers/pcmcia/sa1100_generic.c        |   38 +++++++++++++++++++++++--------
 drivers/pcmcia/tcic.c                  |   30 +++++++++++++++++-------
 drivers/pcmcia/vrc4171_card.c          |   34 ++++++++++++++++++++--------
 drivers/scsi/a4000t.c                  |   26 +++++++++++----------
 drivers/scsi/bvme6000_scsi.c           |   26 +++++++++++----------
 drivers/scsi/mvme16x_scsi.c            |   26 +++++++++++----------
 drivers/video/au1100fb.c               |   31 +++++++++++++------------
 drivers/video/au1200fb.c               |   25 +++++++++++---------
 drivers/watchdog/rm9k_wdt.c            |   27 ++++++++++------------
 21 files changed, 371 insertions(+), 250 deletions(-)

diff --git a/arch/mips/basler/excite/excite_iodev.c b/arch/mips/basler/excite/excite_iodev.c
index a1e3526..dfbfd7e 100644
--- a/arch/mips/basler/excite/excite_iodev.c
+++ b/arch/mips/basler/excite/excite_iodev.c
@@ -33,8 +33,8 @@
 
 
 static const struct resource *iodev_get_resource(struct platform_device *, const char *, unsigned int);
-static int __init iodev_probe(struct device *);
-static int __exit iodev_remove(struct device *);
+static int __init iodev_probe(struct platform_device *);
+static int __exit iodev_remove(struct platform_device *);
 static int iodev_open(struct inode *, struct file *);
 static int iodev_release(struct inode *, struct file *);
 static ssize_t iodev_read(struct file *, char __user *, size_t s, loff_t *);
@@ -65,13 +65,13 @@ static struct miscdevice miscdev =
 	.fops		= &fops
 };
 
-static struct device_driver iodev_driver =
-{
-	.name		= (char *) iodev_name,
-	.bus		= &platform_bus_type,
-	.owner		= THIS_MODULE,
+static struct platform_driver iodev_driver = {
+	.driver = {
+		.name		= iodev_name,
+		.owner		= THIS_MODULE,
+	},
 	.probe		= iodev_probe,
-	.remove		= __exit_p(iodev_remove)
+	.remove		= __devexit_p(iodev_remove),
 };
 
 
@@ -89,11 +89,10 @@ iodev_get_resource(struct platform_device *pdv, const char *name,
 
 
 /* No hotplugging on the platform bus - use __init */
-static int __init iodev_probe(struct device *dev)
+static int __init iodev_probe(struct platform_device *dev)
 {
-	struct platform_device * const pdv = to_platform_device(dev);
 	const struct resource * const ri =
-		iodev_get_resource(pdv, IODEV_RESOURCE_IRQ, IORESOURCE_IRQ);
+		iodev_get_resource(dev, IODEV_RESOURCE_IRQ, IORESOURCE_IRQ);
 
 	if (unlikely(!ri))
 		return -ENXIO;
@@ -104,7 +103,7 @@ static int __init iodev_probe(struct device *dev)
 
 
 
-static int __exit iodev_remove(struct device *dev)
+static int __exit iodev_remove(struct platform_device *dev)
 {
 	return misc_deregister(&miscdev);
 }
@@ -160,14 +159,14 @@ static irqreturn_t iodev_irqhdl(int irq, void *ctxt)
 
 static int __init iodev_init_module(void)
 {
-	return driver_register(&iodev_driver);
+	return platform_driver_register(&iodev_driver);
 }
 
 
 
 static void __exit iodev_cleanup_module(void)
 {
-	driver_unregister(&iodev_driver);
+	platform_driver_unregister(&iodev_driver);
 }
 
 module_init(iodev_init_module);
diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c
index d0e7926..c64a1bc 100644
--- a/drivers/char/tpm/tpm_atmel.c
+++ b/drivers/char/tpm/tpm_atmel.c
@@ -168,12 +168,22 @@ static void atml_plat_remove(void)
 	}
 }
 
-static struct device_driver atml_drv = {
-	.name = "tpm_atmel",
-	.bus = &platform_bus_type,
-	.owner = THIS_MODULE,
-	.suspend = tpm_pm_suspend,
-	.resume = tpm_pm_resume,
+static int tpm_atml_suspend(struct platform_device *dev, pm_message_t msg)
+{
+	return tpm_pm_suspend(&dev->dev, msg);
+}
+
+static int tpm_atml_resume(struct platform_device *dev)
+{
+	return tpm_pm_resume(&dev->dev);
+}
+static struct platform_driver atml_drv = {
+	.driver = {
+		.name = "tpm_atmel",
+		.owner		= THIS_MODULE,
+	},
+	.suspend = tpm_atml_suspend,
+	.resume = tpm_atml_resume,
 };
 
 static int __init init_atmel(void)
@@ -184,7 +194,7 @@ static int __init init_atmel(void)
 	unsigned long base;
 	struct  tpm_chip *chip;
 
-	rc = driver_register(&atml_drv);
+	rc = platform_driver_register(&atml_drv);
 	if (rc)
 		return rc;
 
@@ -223,13 +233,13 @@ err_rel_reg:
 		atmel_release_region(base,
 				     region_size);
 err_unreg_drv:
-	driver_unregister(&atml_drv);
+	platform_driver_unregister(&atml_drv);
 	return rc;
 }
 
 static void __exit cleanup_atmel(void)
 {
-	driver_unregister(&atml_drv);
+	platform_driver_unregister(&atml_drv);
 	atml_plat_remove();
 }
 
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 717af7a..aec1931 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -654,12 +654,22 @@ module_param_string(hid, tpm_pnp_tbl[TIS_HID_USR_IDX].id,
 		    sizeof(tpm_pnp_tbl[TIS_HID_USR_IDX].id), 0444);
 MODULE_PARM_DESC(hid, "Set additional specific HID for this driver to probe");
 
-static struct device_driver tis_drv = {
-	.name = "tpm_tis",
-	.bus = &platform_bus_type,
-	.owner = THIS_MODULE,
-	.suspend = tpm_pm_suspend,
-	.resume = tpm_pm_resume,
+static int tpm_tis_suspend(struct platform_device *dev, pm_message_t msg)
+{
+	return tpm_pm_suspend(&dev->dev, msg);
+}
+
+static int tpm_tis_resume(struct platform_device *dev)
+{
+	return tpm_pm_resume(&dev->dev);
+}
+static struct platform_driver tis_drv = {
+	.driver = {
+		.name = "tpm_tis",
+		.owner		= THIS_MODULE,
+	},
+	.suspend = tpm_tis_suspend,
+	.resume = tpm_tis_resume,
 };
 
 static struct platform_device *pdev;
@@ -672,14 +682,14 @@ static int __init init_tis(void)
 	int rc;
 
 	if (force) {
-		rc = driver_register(&tis_drv);
+		rc = platform_driver_register(&tis_drv);
 		if (rc < 0)
 			return rc;
 		if (IS_ERR(pdev=platform_device_register_simple("tpm_tis", -1, NULL, 0)))
 			return PTR_ERR(pdev);
 		if((rc=tpm_tis_init(&pdev->dev, TIS_MEM_BASE, TIS_MEM_LEN, 0)) != 0) {
 			platform_device_unregister(pdev);
-			driver_unregister(&tis_drv);
+			platform_driver_unregister(&tis_drv);
 		}
 		return rc;
 	}
@@ -711,7 +721,7 @@ static void __exit cleanup_tis(void)
 
 	if (force) {
 		platform_device_unregister(pdev);
-		driver_unregister(&tis_drv);
+		platform_driver_unregister(&tis_drv);
 	} else
 		pnp_unregister_driver(&tis_pnp_driver);
 }
diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c
index 79a2dfe..154ec2c 100644
--- a/drivers/ide/au1xxx-ide.c
+++ b/drivers/ide/au1xxx-ide.c
@@ -536,9 +536,8 @@ static const struct ide_port_info au1xxx_port_info = {
 #endif
 };
 
-static int au_ide_probe(struct device *dev)
+static int au_ide_probe(struct platform_device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
 	_auide_hwif *ahwif = &auide_hwif;
 	struct resource *res;
 	struct ide_host *host;
@@ -552,23 +551,23 @@ static int au_ide_probe(struct device *dev)
 #endif
 
 	memset(&auide_hwif, 0, sizeof(_auide_hwif));
-	ahwif->irq = platform_get_irq(pdev, 0);
+	ahwif->irq = platform_get_irq(dev, 0);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 
 	if (res == NULL) {
-		pr_debug("%s %d: no base address\n", DRV_NAME, pdev->id);
+		pr_debug("%s %d: no base address\n", DRV_NAME, dev->id);
 		ret = -ENODEV;
 		goto out;
 	}
 	if (ahwif->irq < 0) {
-		pr_debug("%s %d: no IRQ\n", DRV_NAME, pdev->id);
+		pr_debug("%s %d: no IRQ\n", DRV_NAME, dev->id);
 		ret = -ENODEV;
 		goto out;
 	}
 
 	if (!request_mem_region(res->start, res->end - res->start + 1,
-				pdev->name)) {
+				dev->name)) {
 		pr_debug("%s: request_mem_region failed\n", DRV_NAME);
 		ret =  -EBUSY;
 		goto out;
@@ -583,7 +582,7 @@ static int au_ide_probe(struct device *dev)
 	memset(&hw, 0, sizeof(hw));
 	auide_setup_ports(&hw, ahwif);
 	hw.irq = ahwif->irq;
-	hw.dev = dev;
+	hw.dev = &dev->dev;
 	hw.chipset = ide_au1xxx;
 
 	ret = ide_host_add(&au1xxx_port_info, hws, &host);
@@ -592,7 +591,7 @@ static int au_ide_probe(struct device *dev)
 
 	auide_hwif.hwif = host->ports[0];
 
-	dev_set_drvdata(dev, host);
+	platform_set_drvdata(dev, host);
 
 	printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
 
@@ -600,38 +599,39 @@ static int au_ide_probe(struct device *dev)
 	return ret;
 }
 
-static int au_ide_remove(struct device *dev)
+static int au_ide_remove(struct platform_device *dev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
 	struct resource *res;
-	struct ide_host *host = dev_get_drvdata(dev);
+	struct ide_host *host = platform_get_drvdata(dev);
 	_auide_hwif *ahwif = &auide_hwif;
 
 	ide_host_remove(host);
 
 	iounmap((void *)ahwif->regbase);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
 	release_mem_region(res->start, res->end - res->start + 1);
 
 	return 0;
 }
 
-static struct device_driver au1200_ide_driver = {
-	.name		= "au1200-ide",
-	.bus		= &platform_bus_type,
+static struct platform_driver au1200_ide_driver = {
+	.driver = {
+		.name		= "au1200-ide",
+		.owner		= THIS_MODULE,
+	},
 	.probe 		= au_ide_probe,
 	.remove		= au_ide_remove,
 };
 
 static int __init au_ide_init(void)
 {
-	return driver_register(&au1200_ide_driver);
+	return platform_driver_register(&au1200_ide_driver);
 }
 
 static void __exit au_ide_exit(void)
 {
-	driver_unregister(&au1200_ide_driver);
+	platform_driver_unregister(&au1200_ide_driver);
 }
 
 MODULE_LICENSE("GPL");
diff --git a/drivers/mtd/maps/pxa2xx-flash.c b/drivers/mtd/maps/pxa2xx-flash.c
index 771139c..e9026cb 100644
--- a/drivers/mtd/maps/pxa2xx-flash.c
+++ b/drivers/mtd/maps/pxa2xx-flash.c
@@ -41,9 +41,8 @@ struct pxa2xx_flash_info {
 static const char *probes[] = { "RedBoot", "cmdlinepart", NULL };
 
 
-static int __init pxa2xx_flash_probe(struct device *dev)
+static int __init pxa2xx_flash_probe(struct platform_device *pdev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
 	struct flash_platform_data *flash = pdev->dev.platform_data;
 	struct pxa2xx_flash_info *info;
 	struct mtd_partition *parts;
@@ -114,15 +113,15 @@ static int __init pxa2xx_flash_probe(struct device *dev)
 		add_mtd_device(info->mtd);
 	}
 
-	dev_set_drvdata(dev, info);
+	platform_set_drvdata(pdev, info);
 	return 0;
 }
 
-static int __exit pxa2xx_flash_remove(struct device *dev)
+static int __exit pxa2xx_flash_remove(struct platform_device *dev)
 {
-	struct pxa2xx_flash_info *info = dev_get_drvdata(dev);
+	struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
 
-	dev_set_drvdata(dev, NULL);
+	platform_set_drvdata(dev, NULL);
 
 #ifdef CONFIG_MTD_PARTITIONS
 	if (info->nr_parts)
@@ -141,9 +140,9 @@ static int __exit pxa2xx_flash_remove(struct device *dev)
 }
 
 #ifdef CONFIG_PM
-static int pxa2xx_flash_suspend(struct device *dev, pm_message_t state)
+static int pxa2xx_flash_suspend(struct platform_device *dev, pm_message_t state)
 {
-	struct pxa2xx_flash_info *info = dev_get_drvdata(dev);
+	struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
 	int ret = 0;
 
 	if (info->mtd && info->mtd->suspend)
@@ -151,17 +150,17 @@ static int pxa2xx_flash_suspend(struct device *dev, pm_message_t state)
 	return ret;
 }
 
-static int pxa2xx_flash_resume(struct device *dev)
+static int pxa2xx_flash_resume(struct platform_device *dev)
 {
-	struct pxa2xx_flash_info *info = dev_get_drvdata(dev);
+	struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
 
 	if (info->mtd && info->mtd->resume)
 		info->mtd->resume(info->mtd);
 	return 0;
 }
-static void pxa2xx_flash_shutdown(struct device *dev)
+static void pxa2xx_flash_shutdown(struct platform_device *dev)
 {
-	struct pxa2xx_flash_info *info = dev_get_drvdata(dev);
+	struct pxa2xx_flash_info *info = platform_get_drvdata(dev);
 
 	if (info && info->mtd->suspend(info->mtd) == 0)
 		info->mtd->resume(info->mtd);
@@ -172,11 +171,13 @@ static void pxa2xx_flash_shutdown(struct device *dev)
 #define pxa2xx_flash_shutdown NULL
 #endif
 
-static struct device_driver pxa2xx_flash_driver = {
-	.name		= "pxa2xx-flash",
-	.bus		= &platform_bus_type,
+static struct platform_driver pxa2xx_flash_driver = {
+	.driver = {
+		.name		= "pxa2xx-flash",
+		.owner		= THIS_MODULE,
+	},
 	.probe		= pxa2xx_flash_probe,
-	.remove		= __exit_p(pxa2xx_flash_remove),
+	.remove		= __devexit_p(pxa2xx_flash_remove),
 	.suspend	= pxa2xx_flash_suspend,
 	.resume		= pxa2xx_flash_resume,
 	.shutdown	= pxa2xx_flash_shutdown,
@@ -184,12 +185,12 @@ static struct device_driver pxa2xx_flash_driver = {
 
 static int __init init_pxa2xx_flash(void)
 {
-	return driver_register(&pxa2xx_flash_driver);
+	return platform_driver_register(&pxa2xx_flash_driver);
 }
 
 static void __exit cleanup_pxa2xx_flash(void)
 {
-	driver_unregister(&pxa2xx_flash_driver);
+	platform_driver_unregister(&pxa2xx_flash_driver);
 }
 
 module_init(init_pxa2xx_flash);
diff --git a/drivers/mtd/nand/excite_nandflash.c b/drivers/mtd/nand/excite_nandflash.c
index ced14b5..72446fb 100644
--- a/drivers/mtd/nand/excite_nandflash.c
+++ b/drivers/mtd/nand/excite_nandflash.c
@@ -128,11 +128,11 @@ static int excite_nand_devready(struct mtd_info *mtd)
  * The binding to the mtd and all allocated
  * resources are released.
  */
-static int __exit excite_nand_remove(struct device *dev)
+static int __exit excite_nand_remove(struct platform_device *dev)
 {
-	struct excite_nand_drvdata * const this = dev_get_drvdata(dev);
+	struct excite_nand_drvdata * const this = platform_get_drvdata(dev);
 
-	dev_set_drvdata(dev, NULL);
+	platform_set_drvdata(dev, NULL);
 
 	if (unlikely(!this)) {
 		printk(KERN_ERR "%s: called %s without private data!!",
@@ -159,9 +159,8 @@ static int __exit excite_nand_remove(struct device *dev)
  * it can allocate all necessary resources then calls the
  * nand layer to look for devices.
 */
-static int __init excite_nand_probe(struct device *dev)
+static int __init excite_nand_probe(struct platform_device *pdev)
 {
-	struct platform_device * const pdev = to_platform_device(dev);
 	struct excite_nand_drvdata *drvdata;	/* private driver data */
 	struct nand_chip *board_chip;	/* private flash chip data */
 	struct mtd_info *board_mtd;	/* mtd info for this board */
@@ -175,7 +174,7 @@ static int __init excite_nand_probe(struct device *dev)
 	}
 
 	/* bind private data into driver */
-	dev_set_drvdata(dev, drvdata);
+	platform_set_drvdata(pdev, drvdata);
 
 	/* allocate and map the resource */
 	drvdata->regs =
@@ -219,23 +218,25 @@ static int __init excite_nand_probe(struct device *dev)
 	return 0;
 }
 
-static struct device_driver excite_nand_driver = {
-	.name = "excite_nand",
-	.bus = &platform_bus_type,
+static struct platform_driver excite_nand_driver = {
+	.driver = {
+		.name = "excite_nand",
+		.owner		= THIS_MODULE,
+	},
 	.probe = excite_nand_probe,
-	.remove = __exit_p(excite_nand_remove)
+	.remove = __devexit_p(excite_nand_remove)
 };
 
 static int __init excite_nand_init(void)
 {
 	pr_info("Basler eXcite nand flash driver Version "
 		EXCITE_NANDFLASH_VERSION "\n");
-	return driver_register(&excite_nand_driver);
+	return platform_driver_register(&excite_nand_driver);
 }
 
 static void __exit excite_nand_exit(void)
 {
-	driver_unregister(&excite_nand_driver);
+	platform_driver_unregister(&excite_nand_driver);
 }
 
 module_init(excite_nand_init);
diff --git a/drivers/mtd/onenand/generic.c b/drivers/mtd/onenand/generic.c
index 5b69e77..3a496c3 100644
--- a/drivers/mtd/onenand/generic.c
+++ b/drivers/mtd/onenand/generic.c
@@ -36,10 +36,9 @@ struct onenand_info {
 	struct onenand_chip	onenand;
 };
 
-static int __devinit generic_onenand_probe(struct device *dev)
+static int __devinit generic_onenand_probe(struct platform_device *pdev)
 {
 	struct onenand_info *info;
-	struct platform_device *pdev = to_platform_device(dev);
 	struct flash_platform_data *pdata = pdev->dev.platform_data;
 	struct resource *res = pdev->resource;
 	unsigned long size = res->end - res->start + 1;
@@ -49,7 +48,7 @@ static int __devinit generic_onenand_probe(struct device *dev)
 	if (!info)
 		return -ENOMEM;
 
-	if (!request_mem_region(res->start, size, dev->driver->name)) {
+	if (!request_mem_region(res->start, size, pdev->dev.driver->name)) {
 		err = -EBUSY;
 		goto out_free_info;
 	}
@@ -82,7 +81,7 @@ static int __devinit generic_onenand_probe(struct device *dev)
 #endif
 		err = add_mtd_device(&info->mtd);
 
-	dev_set_drvdata(&pdev->dev, info);
+	platform_set_drvdata(pdev, info);
 
 	return 0;
 
@@ -96,14 +95,13 @@ out_free_info:
 	return err;
 }
 
-static int __devexit generic_onenand_remove(struct device *dev)
+static int __devexit generic_onenand_remove(struct platform_device *pdev)
 {
-	struct platform_device *pdev = to_platform_device(dev);
-	struct onenand_info *info = dev_get_drvdata(&pdev->dev);
+	struct onenand_info *info = platform_get_drvdata(pdev);
 	struct resource *res = pdev->resource;
 	unsigned long size = res->end - res->start + 1;
 
-	dev_set_drvdata(&pdev->dev, NULL);
+	platform_set_drvdata(pdev, NULL);
 
 	if (info) {
 		if (info->parts)
@@ -120,9 +118,11 @@ static int __devexit generic_onenand_remove(struct device *dev)
 	return 0;
 }
 
-static struct device_driver generic_onenand_driver = {
-	.name		= DRIVER_NAME,
-	.bus		= &platform_bus_type,
+static struct platform_driver generic_onenand_driver = {
+	.driver = {
+		.name		= DRIVER_NAME,
+		.owner		= THIS_MODULE,
+	},
 	.probe		= generic_onenand_probe,
 	.remove		= __devexit_p(generic_onenand_remove),
 };
@@ -131,12 +131,12 @@ MODULE_ALIAS(DRIVER_NAME);
 
 static int __init generic_onenand_init(void)
 {
-	return driver_register(&generic_onenand_driver);
+	return platform_driver_register(&generic_onenand_driver);
 }
 
 static void __exit generic_onenand_exit(void)
 {
-	driver_unregister(&generic_onenand_driver);
+	platform_driver_unregister(&generic_onenand_driver);
 }
 
 module_init(generic_onenand_init);
diff --git a/drivers/net/mipsnet.c b/drivers/net/mipsnet.c
index 4e7a5fa..664835b 100644
--- a/drivers/net/mipsnet.c
+++ b/drivers/net/mipsnet.c
@@ -237,7 +237,7 @@ static void mipsnet_set_mclist(struct net_device *dev)
 {
 }
 
-static int __init mipsnet_probe(struct device *dev)
+static int __init mipsnet_probe(struct platform_device *dev)
 {
 	struct net_device *netdev;
 	int err;
@@ -248,7 +248,7 @@ static int __init mipsnet_probe(struct device *dev)
 		goto out;
 	}
 
-	dev_set_drvdata(dev, netdev);
+	platform_set_drvdata(dev, netdev);
 
 	netdev->open			= mipsnet_open;
 	netdev->stop			= mipsnet_close;
@@ -293,23 +293,25 @@ out:
 	return err;
 }
 
-static int __devexit mipsnet_device_remove(struct device *device)
+static int __devexit mipsnet_device_remove(struct platform_device *device)
 {
-	struct net_device *dev = dev_get_drvdata(device);
+	struct net_device *dev = platform_get_drvdata(device);
 
 	unregister_netdev(dev);
 	release_region(dev->base_addr, sizeof(struct mipsnet_regs));
 	free_netdev(dev);
-	dev_set_drvdata(device, NULL);
+	platform_set_drvdata(device, NULL);
 
 	return 0;
 }
 
-static struct device_driver mipsnet_driver = {
-	.name	= mipsnet_string,
-	.bus	= &platform_bus_type,
-	.probe	= mipsnet_probe,
-	.remove	= __devexit_p(mipsnet_device_remove),
+static struct platform_driver mipsnet_driver = {
+	.driver = {
+		.name		= mipsnet_string,
+		.owner		= THIS_MODULE,
+	},
+	.probe		= mipsnet_probe,
+	.remove		= __devexit_p(mipsnet_device_remove),
 };
 
 static int __init mipsnet_init_module(void)
@@ -319,7 +321,7 @@ static int __init mipsnet_init_module(void)
 	printk(KERN_INFO "MIPSNet Ethernet driver. Version: %s. "
 	       "(c)2005 MIPS Technologies, Inc.\n", MIPSNET_VERSION);
 
-	err = driver_register(&mipsnet_driver);
+	err = platform_driver_register(&mipsnet_driver);
 	if (err)
 		printk(KERN_ERR "Driver registration failed\n");
 
@@ -328,7 +330,7 @@ static int __init mipsnet_init_module(void)
 
 static void __exit mipsnet_exit_module(void)
 {
-	driver_unregister(&mipsnet_driver);
+	platform_driver_unregister(&mipsnet_driver);
 }
 
 module_init(mipsnet_init_module);
diff --git a/drivers/pcmcia/au1000_generic.c b/drivers/pcmcia/au1000_generic.c
index fc1de46..9001334 100644
--- a/drivers/pcmcia/au1000_generic.c
+++ b/drivers/pcmcia/au1000_generic.c
@@ -468,13 +468,13 @@ out:
 	return ret;
 }
 
-int au1x00_drv_pcmcia_remove(struct device *dev)
+int au1x00_drv_pcmcia_remove(struct platform_device *dev)
 {
-	struct skt_dev_info *sinfo = dev_get_drvdata(dev);
+	struct skt_dev_info *sinfo = platform_get_drvdata(dev);
 	int i;
 
 	mutex_lock(&pcmcia_sockets_lock);
-	dev_set_drvdata(dev, NULL);
+	platform_set_drvdata(dev, NULL);
 
 	for (i = 0; i < sinfo->nskt; i++) {
 		struct au1000_pcmcia_socket *skt = PCMCIA_SOCKET(i);
@@ -498,13 +498,13 @@ int au1x00_drv_pcmcia_remove(struct device *dev)
  * PCMCIA "Driver" API
  */
 
-static int au1x00_drv_pcmcia_probe(struct device *dev)
+static int au1x00_drv_pcmcia_probe(struct platform_device *dev)
 {
 	int i, ret = -ENODEV;
 
 	mutex_lock(&pcmcia_sockets_lock);
 	for (i=0; i < ARRAY_SIZE(au1x00_pcmcia_hw_init); i++) {
-		ret = au1x00_pcmcia_hw_init[i](dev);
+		ret = au1x00_pcmcia_hw_init[i](&dev->dev);
 		if (ret == 0)
 			break;
 	}
@@ -512,14 +512,26 @@ static int au1x00_drv_pcmcia_probe(struct device *dev)
 	return ret;
 }
 
+static int au1x00_drv_pcmcia_suspend(struct platform_device *dev,
+				     pm_message_t state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int au1x00_drv_pcmcia_resume(struct platform_device *dev)
+{
+	return pcmcia_socket_dev_resume(&dev->dev);
+}
 
-static struct device_driver au1x00_pcmcia_driver = {
+static struct platform_driver au1x00_pcmcia_driver = {
+	.driver = {
+		.name		= "au1x00-pcmcia",
+		.owner		= THIS_MODULE,
+	},
 	.probe		= au1x00_drv_pcmcia_probe,
 	.remove		= au1x00_drv_pcmcia_remove,
-	.name		= "au1x00-pcmcia",
-	.bus		= &platform_bus_type,
-	.suspend	= pcmcia_socket_dev_suspend,
-	.resume		= pcmcia_socket_dev_resume,
+	.suspend 	= au1x00_drv_pcmcia_suspend,
+	.resume 	= au1x00_drv_pcmcia_resume,
 };
 
 
@@ -533,8 +545,7 @@ static struct device_driver au1x00_pcmcia_driver = {
 static int __init au1x00_pcmcia_init(void)
 {
 	int error = 0;
-	if ((error = driver_register(&au1x00_pcmcia_driver)))
-		return error;
+	error = platform_driver_register(&au1x00_pcmcia_driver);
 	return error;
 }
 
@@ -544,7 +555,7 @@ static int __init au1x00_pcmcia_init(void)
  */
 static void __exit au1x00_pcmcia_exit(void)
 {
-	driver_unregister(&au1x00_pcmcia_driver);
+	platform_driver_unregister(&au1x00_pcmcia_driver);
 }
 
 module_init(au1x00_pcmcia_init);
diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c
index 71653ab..40d4953 100644
--- a/drivers/pcmcia/i82365.c
+++ b/drivers/pcmcia/i82365.c
@@ -1238,6 +1238,16 @@ static int pcic_init(struct pcmcia_socket *s)
 	return 0;
 }
 
+static int i82365_drv_pcmcia_suspend(struct platform_device *dev,
+				     pm_message_t state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int i82365_drv_pcmcia_resume(struct platform_device *dev)
+{
+	return pcmcia_socket_dev_resume(&dev->dev);
+}
 static struct pccard_operations pcic_operations = {
 	.init			= pcic_init,
 	.get_status		= pcic_get_status,
@@ -1248,11 +1258,13 @@ static struct pccard_operations pcic_operations = {
 
 /*====================================================================*/
 
-static struct device_driver i82365_driver = {
-	.name = "i82365",
-	.bus = &platform_bus_type,
-	.suspend = pcmcia_socket_dev_suspend,
-	.resume = pcmcia_socket_dev_resume,
+static struct platform_driver i82365_driver = {
+	.driver = {
+		.name = "i82365",
+		.owner		= THIS_MODULE,
+	},
+	.suspend 	= i82365_drv_pcmcia_suspend,
+	.resume 	= i82365_drv_pcmcia_resume,
 };
 
 static struct platform_device *i82365_device;
@@ -1261,7 +1273,7 @@ static int __init init_i82365(void)
 {
     int i, ret;
 
-    ret = driver_register(&i82365_driver);
+    ret = platform_driver_register(&i82365_driver);
     if (ret)
 	goto err_out;
 
@@ -1337,7 +1349,7 @@ err_dev_unregister:
 	pnp_disable_dev(i82365_pnpdev);
 #endif
 err_driver_unregister:
-    driver_unregister(&i82365_driver);
+    platform_driver_unregister(&i82365_driver);
 err_out:
     return ret;
 } /* init_i82365 */
@@ -1365,7 +1377,7 @@ static void __exit exit_i82365(void)
     if (i82365_pnpdev)
     		pnp_disable_dev(i82365_pnpdev);
 #endif
-    driver_unregister(&i82365_driver);
+    platform_driver_unregister(&i82365_driver);
 } /* exit_i82365 */
 
 module_init(init_i82365);
diff --git a/drivers/pcmcia/m32r_cfc.c b/drivers/pcmcia/m32r_cfc.c
index 2ab4f22..62b4ecc 100644
--- a/drivers/pcmcia/m32r_cfc.c
+++ b/drivers/pcmcia/m32r_cfc.c
@@ -696,13 +696,25 @@ static struct pccard_operations pcc_operations = {
 	.set_mem_map		= pcc_set_mem_map,
 };
 
+static int cfc_drv_pcmcia_suspend(struct platform_device *dev,
+				     pm_message_t state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int cfc_drv_pcmcia_resume(struct platform_device *dev)
+{
+	return pcmcia_socket_dev_resume(&dev->dev);
+}
 /*====================================================================*/
 
-static struct device_driver pcc_driver = {
-	.name = "cfc",
-	.bus = &platform_bus_type,
-	.suspend = pcmcia_socket_dev_suspend,
-	.resume = pcmcia_socket_dev_resume,
+static struct platform_driver pcc_driver = {
+	.driver = {
+		.name		= "cfc",
+		.owner		= THIS_MODULE,
+	},
+	.suspend 	= cfc_drv_pcmcia_suspend,
+	.resume 	= cfc_drv_pcmcia_resume,
 };
 
 static struct platform_device pcc_device = {
@@ -716,13 +728,13 @@ static int __init init_m32r_pcc(void)
 {
 	int i, ret;
 
-	ret = driver_register(&pcc_driver);
+	ret = platform_driver_register(&pcc_driver);
 	if (ret)
 		return ret;
 
 	ret = platform_device_register(&pcc_device);
 	if (ret){
-		driver_unregister(&pcc_driver);
+		platform_driver_unregister(&pcc_driver);
 		return ret;
 	}
 
@@ -754,7 +766,7 @@ static int __init init_m32r_pcc(void)
 	if (pcc_sockets == 0) {
 		printk("socket is not found.\n");
 		platform_device_unregister(&pcc_device);
-		driver_unregister(&pcc_driver);
+		platform_driver_unregister(&pcc_driver);
 		return -ENODEV;
 	}
 
@@ -802,7 +814,7 @@ static void __exit exit_m32r_pcc(void)
 	if (poll_interval != 0)
 		del_timer_sync(&poll_timer);
 
-	driver_unregister(&pcc_driver);
+	platform_driver_unregister(&pcc_driver);
 } /* exit_m32r_pcc */
 
 module_init(init_m32r_pcc);
diff --git a/drivers/pcmcia/m32r_pcc.c b/drivers/pcmcia/m32r_pcc.c
index 2f108c2..12034b4 100644
--- a/drivers/pcmcia/m32r_pcc.c
+++ b/drivers/pcmcia/m32r_pcc.c
@@ -672,13 +672,25 @@ static struct pccard_operations pcc_operations = {
 	.set_mem_map		= pcc_set_mem_map,
 };
 
+static int pcc_drv_pcmcia_suspend(struct platform_device *dev,
+				     pm_message_t state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int pcc_drv_pcmcia_resume(struct platform_device *dev)
+{
+	return pcmcia_socket_dev_resume(&dev->dev);
+}
 /*====================================================================*/
 
-static struct device_driver pcc_driver = {
-	.name = "pcc",
-	.bus = &platform_bus_type,
-	.suspend = pcmcia_socket_dev_suspend,
-	.resume = pcmcia_socket_dev_resume,
+static struct platform_driver pcc_driver = {
+	.driver = {
+		.name		= "pcc",
+		.owner		= THIS_MODULE,
+	},
+	.suspend 	= pcc_drv_pcmcia_suspend,
+	.resume 	= pcc_drv_pcmcia_resume,
 };
 
 static struct platform_device pcc_device = {
@@ -692,13 +704,13 @@ static int __init init_m32r_pcc(void)
 {
 	int i, ret;
 
-	ret = driver_register(&pcc_driver);
+	ret = platform_driver_register(&pcc_driver);
 	if (ret)
 		return ret;
 
 	ret = platform_device_register(&pcc_device);
 	if (ret){
-		driver_unregister(&pcc_driver);
+		platform_driver_unregister(&pcc_driver);
 		return ret;
 	}
 
@@ -715,7 +727,7 @@ static int __init init_m32r_pcc(void)
 	if (pcc_sockets == 0) {
 		printk("socket is not found.\n");
 		platform_device_unregister(&pcc_device);
-		driver_unregister(&pcc_driver);
+		platform_driver_unregister(&pcc_driver);
 		return -ENODEV;
 	}
 
@@ -763,7 +775,7 @@ static void __exit exit_m32r_pcc(void)
 	if (poll_interval != 0)
 		del_timer_sync(&poll_timer);
 
-	driver_unregister(&pcc_driver);
+	platform_driver_unregister(&pcc_driver);
 } /* exit_m32r_pcc */
 
 module_init(init_m32r_pcc);
diff --git a/drivers/pcmcia/sa1100_generic.c b/drivers/pcmcia/sa1100_generic.c
index c5b2a44..d8da5ac 100644
--- a/drivers/pcmcia/sa1100_generic.c
+++ b/drivers/pcmcia/sa1100_generic.c
@@ -65,7 +65,7 @@ static int (*sa11x0_pcmcia_hw_init[])(struct device *dev) = {
 #endif
 };
 
-static int sa11x0_drv_pcmcia_probe(struct device *dev)
+static int sa11x0_drv_pcmcia_probe(struct platform_device *dev)
 {
 	int i, ret = -ENODEV;
 
@@ -73,7 +73,7 @@ static int sa11x0_drv_pcmcia_probe(struct device *dev)
 	 * Initialise any "on-board" PCMCIA sockets.
 	 */
 	for (i = 0; i < ARRAY_SIZE(sa11x0_pcmcia_hw_init); i++) {
-		ret = sa11x0_pcmcia_hw_init[i](dev);
+		ret = sa11x0_pcmcia_hw_init[i](&dev->dev);
 		if (ret == 0)
 			break;
 	}
@@ -81,13 +81,31 @@ static int sa11x0_drv_pcmcia_probe(struct device *dev)
 	return ret;
 }
 
-static struct device_driver sa11x0_pcmcia_driver = {
+static int sa11x0_drv_pcmcia_remove(struct platform_device *dev)
+{
+	return soc_common_drv_pcmcia_remove(&dev->dev);
+}
+
+static int sa11x0_drv_pcmcia_suspend(struct platform_device *dev,
+				     pm_message_t state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int sa11x0_drv_pcmcia_resume(struct platform_device *dev)
+{
+	return pcmcia_socket_dev_resume(&dev->dev);
+}
+
+static struct platform_driver sa11x0_pcmcia_driver = {
+	.driver = {
+		.name		= "sa11x0-pcmcia",
+		.owner		= THIS_MODULE,
+	},
 	.probe		= sa11x0_drv_pcmcia_probe,
-	.remove		= soc_common_drv_pcmcia_remove,
-	.name		= "sa11x0-pcmcia",
-	.bus		= &platform_bus_type,
-	.suspend 	= pcmcia_socket_dev_suspend,
-	.resume 	= pcmcia_socket_dev_resume,
+	.remove		= sa11x0_drv_pcmcia_remove,
+	.suspend 	= sa11x0_drv_pcmcia_suspend,
+	.resume 	= sa11x0_drv_pcmcia_resume,
 };
 
 /* sa11x0_pcmcia_init()
@@ -100,7 +118,7 @@ static struct device_driver sa11x0_pcmcia_driver = {
  */
 static int __init sa11x0_pcmcia_init(void)
 {
-	return driver_register(&sa11x0_pcmcia_driver);
+	return platform_driver_register(&sa11x0_pcmcia_driver);
 }
 
 /* sa11x0_pcmcia_exit()
@@ -110,7 +128,7 @@ static int __init sa11x0_pcmcia_init(void)
  */
 static void __exit sa11x0_pcmcia_exit(void)
 {
-	driver_unregister(&sa11x0_pcmcia_driver);
+	platform_driver_unregister(&sa11x0_pcmcia_driver);
 }
 
 MODULE_AUTHOR("John Dorsey <john+@cs.cmu.edu>");
diff --git a/drivers/pcmcia/tcic.c b/drivers/pcmcia/tcic.c
index 2a613e9..9ad97ea 100644
--- a/drivers/pcmcia/tcic.c
+++ b/drivers/pcmcia/tcic.c
@@ -363,13 +363,25 @@ static int __init get_tcic_id(void)
     return id;
 }
 
+static int tcic_drv_pcmcia_suspend(struct platform_device *dev,
+				     pm_message_t state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int tcic_drv_pcmcia_resume(struct platform_device *dev)
+{
+	return pcmcia_socket_dev_resume(&dev->dev);
+}
 /*====================================================================*/
 
-static struct device_driver tcic_driver = {
-	.name = "tcic-pcmcia",
-	.bus = &platform_bus_type,
-	.suspend = pcmcia_socket_dev_suspend,
-	.resume = pcmcia_socket_dev_resume,
+static struct platform_driver tcic_driver = {
+	.driver = {
+		.name = "tcic-pcmcia",
+		.owner		= THIS_MODULE,
+	},
+	.suspend 	= tcic_drv_pcmcia_suspend,
+	.resume 	= tcic_drv_pcmcia_resume,
 };
 
 static struct platform_device tcic_device = {
@@ -383,7 +395,7 @@ static int __init init_tcic(void)
     int i, sock, ret = 0;
     u_int mask, scan;
 
-    if (driver_register(&tcic_driver))
+    if (platform_driver_register(&tcic_driver))
 	return -1;
     
     printk(KERN_INFO "Databook TCIC-2 PCMCIA probe: ");
@@ -391,7 +403,7 @@ static int __init init_tcic(void)
 
     if (!request_region(tcic_base, 16, "tcic-2")) {
 	printk("could not allocate ports,\n ");
-	driver_unregister(&tcic_driver);
+	platform_driver_unregister(&tcic_driver);
 	return -ENODEV;
     }
     else {
@@ -414,7 +426,7 @@ static int __init init_tcic(void)
     if (sock == 0) {
 	printk("not found.\n");
 	release_region(tcic_base, 16);
-	driver_unregister(&tcic_driver);
+	platform_driver_unregister(&tcic_driver);
 	return -ENODEV;
     }
 
@@ -542,7 +554,7 @@ static void __exit exit_tcic(void)
     }
 
     platform_device_unregister(&tcic_device);
-    driver_unregister(&tcic_driver);
+    platform_driver_unregister(&tcic_driver);
 } /* exit_tcic */
 
 /*====================================================================*/
diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c
index b2c4124..659421d 100644
--- a/drivers/pcmcia/vrc4171_card.c
+++ b/drivers/pcmcia/vrc4171_card.c
@@ -704,24 +704,37 @@ static int __devinit vrc4171_card_setup(char *options)
 
 __setup("vrc4171_card=", vrc4171_card_setup);
 
-static struct device_driver vrc4171_card_driver = {
-	.name		= vrc4171_card_name,
-	.bus		= &platform_bus_type,
-	.suspend	= pcmcia_socket_dev_suspend,
-	.resume		= pcmcia_socket_dev_resume,
+static int vrc4171_card_suspend(struct platform_device *dev,
+				     pm_message_t state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int vrc4171_card_resume(struct platform_device *dev)
+{
+	return pcmcia_socket_dev_resume(&dev->dev);
+}
+
+static struct platform_driver vrc4171_card_driver = {
+	.driver = {
+		.name		= vrc4171_card_name,
+		.owner		= THIS_MODULE,
+	},
+	.suspend	= vrc4171_card_suspend,
+	.resume		= vrc4171_card_resume,
 };
 
 static int __devinit vrc4171_card_init(void)
 {
 	int retval;
 
-	retval = driver_register(&vrc4171_card_driver);
+	retval = platform_driver_register(&vrc4171_card_driver);
 	if (retval < 0)
 		return retval;
 
 	retval = platform_device_register(&vrc4171_card_device);
 	if (retval < 0) {
-		driver_unregister(&vrc4171_card_driver);
+		platform_driver_unregister(&vrc4171_card_driver);
 		return retval;
 	}
 
@@ -735,11 +748,12 @@ static int __devinit vrc4171_card_init(void)
 	if (retval < 0) {
 		vrc4171_remove_sockets();
 		platform_device_unregister(&vrc4171_card_device);
-		driver_unregister(&vrc4171_card_driver);
+		platform_driver_unregister(&vrc4171_card_driver);
 		return retval;
 	}
 
-	printk(KERN_INFO "%s, connected to IRQ %d\n", vrc4171_card_driver.name, vrc4171_irq);
+	printk(KERN_INFO "%s, connected to IRQ %d\n",
+		vrc4171_card_driver.driver.name, vrc4171_irq);
 
 	return 0;
 }
@@ -749,7 +763,7 @@ static void __devexit vrc4171_card_exit(void)
 	free_irq(vrc4171_irq, vrc4171_sockets);
 	vrc4171_remove_sockets();
 	platform_device_unregister(&vrc4171_card_device);
-	driver_unregister(&vrc4171_card_driver);
+	platform_driver_unregister(&vrc4171_card_driver);
 }
 
 module_init(vrc4171_card_init);
diff --git a/drivers/scsi/a4000t.c b/drivers/scsi/a4000t.c
index d4bda20..6d25aca 100644
--- a/drivers/scsi/a4000t.c
+++ b/drivers/scsi/a4000t.c
@@ -35,7 +35,7 @@ static struct platform_device *a4000t_scsi_device;
 
 #define A4000T_SCSI_ADDR 0xdd0040
 
-static int __devinit a4000t_probe(struct device *dev)
+static int __devinit a4000t_probe(struct platform_device *dev)
 {
 	struct Scsi_Host *host;
 	struct NCR_700_Host_Parameters *hostdata;
@@ -78,7 +78,7 @@ static int __devinit a4000t_probe(struct device *dev)
 		goto out_put_host;
 	}
 
-	dev_set_drvdata(dev, host);
+	platform_set_drvdata(dev, host);
 	scsi_scan_host(host);
 
 	return 0;
@@ -93,9 +93,9 @@ static int __devinit a4000t_probe(struct device *dev)
 	return -ENODEV;
 }
 
-static __devexit int a4000t_device_remove(struct device *dev)
+static __devexit int a4000t_device_remove(struct platform_device *dev)
 {
-	struct Scsi_Host *host = dev_get_drvdata(dev);
+	struct Scsi_Host *host = platform_get_drvdata(dev);
 	struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
 
 	scsi_remove_host(host);
@@ -108,25 +108,27 @@ static __devexit int a4000t_device_remove(struct device *dev)
 	return 0;
 }
 
-static struct device_driver a4000t_scsi_driver = {
-	.name	= "a4000t-scsi",
-	.bus	= &platform_bus_type,
-	.probe	= a4000t_probe,
-	.remove	= __devexit_p(a4000t_device_remove),
+static struct platform_driver a4000t_scsi_driver = {
+	.driver = {
+		.name           = "a4000t-scsi",
+		.owner          = THIS_MODULE,
+	},
+	.probe          = a4000t_probe,
+	.remove         = __devexit_p(a4000t_device_remove),
 };
 
 static int __init a4000t_scsi_init(void)
 {
 	int err;
 
-	err = driver_register(&a4000t_scsi_driver);
+	err = platform_driver_register(&a4000t_scsi_driver);
 	if (err)
 		return err;
 
 	a4000t_scsi_device = platform_device_register_simple("a4000t-scsi",
 			-1, NULL, 0);
 	if (IS_ERR(a4000t_scsi_device)) {
-		driver_unregister(&a4000t_scsi_driver);
+		platform_driver_register(&a4000t_scsi_driver);
 		return PTR_ERR(a4000t_scsi_device);
 	}
 
@@ -136,7 +138,7 @@ static int __init a4000t_scsi_init(void)
 static void __exit a4000t_scsi_exit(void)
 {
 	platform_device_unregister(a4000t_scsi_device);
-	driver_unregister(&a4000t_scsi_driver);
+	platform_driver_unregister(&a4000t_scsi_driver);
 }
 
 module_init(a4000t_scsi_init);
diff --git a/drivers/scsi/bvme6000_scsi.c b/drivers/scsi/bvme6000_scsi.c
index d858f3d..9e9a82b 100644
--- a/drivers/scsi/bvme6000_scsi.c
+++ b/drivers/scsi/bvme6000_scsi.c
@@ -34,7 +34,7 @@ static struct scsi_host_template bvme6000_scsi_driver_template = {
 static struct platform_device *bvme6000_scsi_device;
 
 static __devinit int
-bvme6000_probe(struct device *dev)
+bvme6000_probe(struct platform_device *dev)
 {
 	struct Scsi_Host *host;
 	struct NCR_700_Host_Parameters *hostdata;
@@ -73,7 +73,7 @@ bvme6000_probe(struct device *dev)
 		goto out_put_host;
 	}
 
-	dev_set_drvdata(dev, host);
+	platform_set_drvdata(dev, host);
 	scsi_scan_host(host);
 
 	return 0;
@@ -87,9 +87,9 @@ bvme6000_probe(struct device *dev)
 }
 
 static __devexit int
-bvme6000_device_remove(struct device *dev)
+bvme6000_device_remove(struct platform_device *dev)
 {
-	struct Scsi_Host *host = dev_get_drvdata(dev);
+	struct Scsi_Host *host = platform_get_drvdata(dev);
 	struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
 
 	scsi_remove_host(host);
@@ -100,25 +100,27 @@ bvme6000_device_remove(struct device *dev)
 	return 0;
 }
 
-static struct device_driver bvme6000_scsi_driver = {
-	.name	= "bvme6000-scsi",
-	.bus	= &platform_bus_type,
-	.probe	= bvme6000_probe,
-	.remove	= __devexit_p(bvme6000_device_remove),
+static struct platform_driver bvme6000_scsi_driver = {
+	.driver = {
+		.name		= "bvme6000-scsi",
+		.owner		= THIS_MODULE,
+	},
+	.probe		= bvme6000_probe,
+	.remove		= __devexit_p(bvme6000_device_remove),
 };
 
 static int __init bvme6000_scsi_init(void)
 {
 	int err;
 
-	err = driver_register(&bvme6000_scsi_driver);
+	err = platform_driver_register(&bvme6000_scsi_driver);
 	if (err)
 		return err;
 
 	bvme6000_scsi_device = platform_device_register_simple("bvme6000-scsi",
 							       -1, NULL, 0);
 	if (IS_ERR(bvme6000_scsi_device)) {
-		driver_unregister(&bvme6000_scsi_driver);
+		platform_driver_unregister(&bvme6000_scsi_driver);
 		return PTR_ERR(bvme6000_scsi_device);
 	}
 
@@ -128,7 +130,7 @@ static int __init bvme6000_scsi_init(void)
 static void __exit bvme6000_scsi_exit(void)
 {
 	platform_device_unregister(bvme6000_scsi_device);
-	driver_unregister(&bvme6000_scsi_driver);
+	platform_driver_unregister(&bvme6000_scsi_driver);
 }
 
 module_init(bvme6000_scsi_init);
diff --git a/drivers/scsi/mvme16x_scsi.c b/drivers/scsi/mvme16x_scsi.c
index b264b49..7794fc1 100644
--- a/drivers/scsi/mvme16x_scsi.c
+++ b/drivers/scsi/mvme16x_scsi.c
@@ -34,7 +34,7 @@ static struct scsi_host_template mvme16x_scsi_driver_template = {
 static struct platform_device *mvme16x_scsi_device;
 
 static __devinit int
-mvme16x_probe(struct device *dev)
+mvme16x_probe(struct platform_device *dev)
 {
 	struct Scsi_Host * host = NULL;
 	struct NCR_700_Host_Parameters *hostdata;
@@ -88,7 +88,7 @@ mvme16x_probe(struct device *dev)
 		out_be32(0xfff4202c, v);
 	}
 
-	dev_set_drvdata(dev, host);
+	platform_set_drvdata(dev, host);
 	scsi_scan_host(host);
 
 	return 0;
@@ -102,9 +102,9 @@ mvme16x_probe(struct device *dev)
 }
 
 static __devexit int
-mvme16x_device_remove(struct device *dev)
+mvme16x_device_remove(struct platform_device *dev)
 {
-	struct Scsi_Host *host = dev_get_drvdata(dev);
+	struct Scsi_Host *host = platform_get_drvdata(dev);
 	struct NCR_700_Host_Parameters *hostdata = shost_priv(host);
 
 	/* Disable scsi chip ints */
@@ -123,25 +123,27 @@ mvme16x_device_remove(struct device *dev)
 	return 0;
 }
 
-static struct device_driver mvme16x_scsi_driver = {
-	.name	= "mvme16x-scsi",
-	.bus	= &platform_bus_type,
-	.probe	= mvme16x_probe,
-	.remove	= __devexit_p(mvme16x_device_remove),
+static struct platform_driver mvme16x_scsi_driver = {
+	.driver = {
+		.name           = "mvme16x-scsi",
+		.owner          = THIS_MODULE,
+	},
+	.probe          = mvme16x_probe,
+	.remove         = __devexit_p(mvme16x_device_remove),
 };
 
 static int __init mvme16x_scsi_init(void)
 {
 	int err;
 
-	err = driver_register(&mvme16x_scsi_driver);
+	err = platform_driver_register(&mvme16x_scsi_driver);
 	if (err)
 		return err;
 
 	mvme16x_scsi_device = platform_device_register_simple("mvme16x-scsi",
 							      -1, NULL, 0);
 	if (IS_ERR(mvme16x_scsi_device)) {
-		driver_unregister(&mvme16x_scsi_driver);
+		platform_driver_unregister(&mvme16x_scsi_driver);
 		return PTR_ERR(mvme16x_scsi_device);
 	}
 
@@ -151,7 +153,7 @@ static int __init mvme16x_scsi_init(void)
 static void __exit mvme16x_scsi_exit(void)
 {
 	platform_device_unregister(mvme16x_scsi_device);
-	driver_unregister(&mvme16x_scsi_driver);
+	platform_driver_unregister(&mvme16x_scsi_driver);
 }
 
 module_init(mvme16x_scsi_init);
diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c
index 62bd444..378f277 100644
--- a/drivers/video/au1100fb.c
+++ b/drivers/video/au1100fb.c
@@ -457,7 +457,7 @@ static struct fb_ops au1100fb_ops =
 
 /* AU1100 LCD controller device driver */
 
-static int __init au1100fb_drv_probe(struct device *dev)
+static int __init au1100fb_drv_probe(struct platform_device *dev)
 {
 	struct au1100fb_device *fbdev = NULL;
 	struct resource *regs_res;
@@ -475,7 +475,7 @@ static int __init au1100fb_drv_probe(struct device *dev)
 
 	fbdev->panel = &known_lcd_panels[drv_info.panel_idx];
 
-	dev_set_drvdata(dev, (void*)fbdev);
+	platform_set_drvdata(dev, (void *)fbdev);
 
 	/* Allocate region for our registers and map them */
 	if (!(regs_res = platform_get_resource(to_platform_device(dev),
@@ -583,19 +583,19 @@ failed:
 		fb_dealloc_cmap(&fbdev->info.cmap);
 	}
 	kfree(fbdev);
-	dev_set_drvdata(dev, NULL);
+	platform_set_drvdata(dev, NULL);
 
 	return 0;
 }
 
-int au1100fb_drv_remove(struct device *dev)
+int au1100fb_drv_remove(struct platform_device *dev)
 {
 	struct au1100fb_device *fbdev = NULL;
 
 	if (!dev)
 		return -ENODEV;
 
-	fbdev = (struct au1100fb_device*) dev_get_drvdata(dev);
+	fbdev = (struct au1100fb_device *) platform_get_drvdata(dev);
 
 #if !defined(CONFIG_FRAMEBUFFER_CONSOLE) && defined(CONFIG_LOGO)
 	au1100fb_fb_blank(VESA_POWERDOWN, &fbdev->info);
@@ -620,9 +620,9 @@ int au1100fb_drv_remove(struct device *dev)
 static u32 sys_clksrc;
 static struct au1100fb_regs fbregs;
 
-int au1100fb_drv_suspend(struct device *dev, pm_message_t state)
+int au1100fb_drv_suspend(struct platform_device *dev, pm_message_t state)
 {
-	struct au1100fb_device *fbdev = dev_get_drvdata(dev);
+	struct au1100fb_device *fbdev = platform_get_drvdata(dev);
 
 	if (!fbdev)
 		return 0;
@@ -641,9 +641,9 @@ int au1100fb_drv_suspend(struct device *dev, pm_message_t state)
 	return 0;
 }
 
-int au1100fb_drv_resume(struct device *dev)
+int au1100fb_drv_resume(struct platform_device *dev)
 {
-	struct au1100fb_device *fbdev = dev_get_drvdata(dev);
+	struct au1100fb_device *fbdev = platform_get_drvdata(dev);
 
 	if (!fbdev)
 		return 0;
@@ -663,10 +663,11 @@ int au1100fb_drv_resume(struct device *dev)
 #define au1100fb_drv_resume NULL
 #endif
 
-static struct device_driver au1100fb_driver = {
-	.name		= "au1100-lcd",
-	.bus		= &platform_bus_type,
-
+static struct platform_driver au1100fb_driver = {
+	.driver = {
+		.name		= "au1100-lcd",
+		.owner          = THIS_MODULE,
+	},
 	.probe		= au1100fb_drv_probe,
         .remove		= au1100fb_drv_remove,
 	.suspend	= au1100fb_drv_suspend,
@@ -753,12 +754,12 @@ int __init au1100fb_init(void)
 		return ret;
 	}
 
-	return driver_register(&au1100fb_driver);
+	return platform_driver_register(&au1100fb_driver);
 }
 
 void __exit au1100fb_cleanup(void)
 {
-	driver_unregister(&au1100fb_driver);
+	platform_driver_unregister(&au1100fb_driver);
 
 	kfree(drv_info.opt_mode);
 }
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index 03e57ef..0d96f1d 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -1622,7 +1622,7 @@ static int au1200fb_init_fbinfo(struct au1200fb_device *fbdev)
 
 /* AU1200 LCD controller device driver */
 
-static int au1200fb_drv_probe(struct device *dev)
+static int au1200fb_drv_probe(struct platform_device *dev)
 {
 	struct au1200fb_device *fbdev;
 	unsigned long page;
@@ -1645,7 +1645,7 @@ static int au1200fb_drv_probe(struct device *dev)
 		/* Allocate the framebuffer to the maximum screen size */
 		fbdev->fb_len = (win->w[plane].xres * win->w[plane].yres * bpp) / 8;
 
-		fbdev->fb_mem = dma_alloc_noncoherent(dev,
+		fbdev->fb_mem = dma_alloc_noncoherent(&dev->dev,
 				PAGE_ALIGN(fbdev->fb_len),
 				&fbdev->fb_phys, GFP_KERNEL);
 		if (!fbdev->fb_mem) {
@@ -1715,7 +1715,7 @@ failed:
 	return ret;
 }
 
-static int au1200fb_drv_remove(struct device *dev)
+static int au1200fb_drv_remove(struct platform_device *dev)
 {
 	struct au1200fb_device *fbdev;
 	int plane;
@@ -1733,7 +1733,8 @@ static int au1200fb_drv_remove(struct device *dev)
 		/* Clean up all probe data */
 		unregister_framebuffer(&fbdev->fb_info);
 		if (fbdev->fb_mem)
-			dma_free_noncoherent(dev, PAGE_ALIGN(fbdev->fb_len),
+			dma_free_noncoherent(&dev->dev,
+					PAGE_ALIGN(fbdev->fb_len),
 					fbdev->fb_mem, fbdev->fb_phys);
 		if (fbdev->fb_info.cmap.len != 0)
 			fb_dealloc_cmap(&fbdev->fb_info.cmap);
@@ -1747,22 +1748,24 @@ static int au1200fb_drv_remove(struct device *dev)
 }
 
 #ifdef CONFIG_PM
-static int au1200fb_drv_suspend(struct device *dev, u32 state, u32 level)
+static int au1200fb_drv_suspend(struct platform_device *dev, u32 state)
 {
 	/* TODO */
 	return 0;
 }
 
-static int au1200fb_drv_resume(struct device *dev, u32 level)
+static int au1200fb_drv_resume(struct platform_device *dev)
 {
 	/* TODO */
 	return 0;
 }
 #endif /* CONFIG_PM */
 
-static struct device_driver au1200fb_driver = {
-	.name		= "au1200-lcd",
-	.bus		= &platform_bus_type,
+static struct platform_driver au1200fb_driver = {
+	.driver = {
+		.name		= "au1200-lcd",
+		.owner          = THIS_MODULE,
+	},
 	.probe		= au1200fb_drv_probe,
 	.remove		= au1200fb_drv_remove,
 #ifdef CONFIG_PM
@@ -1906,12 +1909,12 @@ static int __init au1200fb_init(void)
 		printk(KERN_INFO "Power management device entry for the au1200fb loaded.\n");
 	#endif
 
-	return driver_register(&au1200fb_driver);
+	return platform_driver_register(&au1200fb_driver);
 }
 
 static void __exit au1200fb_cleanup(void)
 {
-	driver_unregister(&au1200fb_driver);
+	platform_driver_unregister(&au1200fb_driver);
 }
 
 module_init(au1200fb_init);
diff --git a/drivers/watchdog/rm9k_wdt.c b/drivers/watchdog/rm9k_wdt.c
index f1ae372..cce1982 100644
--- a/drivers/watchdog/rm9k_wdt.c
+++ b/drivers/watchdog/rm9k_wdt.c
@@ -59,8 +59,8 @@ static long wdt_gpi_ioctl(struct file *, unsigned int, unsigned long);
 static int wdt_gpi_notify(struct notifier_block *, unsigned long, void *);
 static const struct resource *wdt_gpi_get_resource(struct platform_device *,
 						const char *, unsigned int);
-static int __init wdt_gpi_probe(struct device *);
-static int __exit wdt_gpi_remove(struct device *);
+static int __init wdt_gpi_probe(struct platform_device *);
+static int __exit wdt_gpi_remove(struct platform_device *);
 
 
 static const char wdt_gpi_name[] = "wdt_gpi";
@@ -346,10 +346,9 @@ static const struct resource *wdt_gpi_get_resource(struct platform_device *pdv,
 }
 
 /* No hotplugging on the platform bus - use __init */
-static int __init wdt_gpi_probe(struct device *dev)
+static int __init wdt_gpi_probe(struct platform_device *pdv)
 {
 	int res;
-	struct platform_device * const pdv = to_platform_device(dev);
 	const struct resource
 		* const rr = wdt_gpi_get_resource(pdv, WDT_RESOURCE_REGS,
 						  IORESOURCE_MEM),
@@ -374,7 +373,7 @@ static int __init wdt_gpi_probe(struct device *dev)
 	return res;
 }
 
-static int __exit wdt_gpi_remove(struct device *dev)
+static int __exit wdt_gpi_remove(struct platform_device *dev)
 {
 	int res;
 
@@ -387,15 +386,13 @@ static int __exit wdt_gpi_remove(struct device *dev)
 
 
 /* Device driver init & exit */
-static struct device_driver wdt_gpi_driver = {
-	.name		= (char *) wdt_gpi_name,
-	.bus		= &platform_bus_type,
-	.owner		= THIS_MODULE,
+static struct platform_driver wgt_gpi_driver = {
+	.driver = {
+		.name		= wdt_gpi_name,
+		.owner		= THIS_MODULE,
+	},
 	.probe		= wdt_gpi_probe,
-	.remove		= __exit_p(wdt_gpi_remove),
-	.shutdown	= NULL,
-	.suspend	= NULL,
-	.resume		= NULL,
+	.remove		= __devexit_p(wdt_gpi_remove),
 };
 
 static int __init wdt_gpi_init_module(void)
@@ -403,12 +400,12 @@ static int __init wdt_gpi_init_module(void)
 	atomic_set(&opencnt, 1);
 	if (timeout > MAX_TIMEOUT_SECONDS)
 		timeout = MAX_TIMEOUT_SECONDS;
-	return driver_register(&wdt_gpi_driver);
+	return platform_driver_register(&wdt_gpi_driver);
 }
 
 static void __exit wdt_gpi_cleanup_module(void)
 {
-	driver_unregister(&wdt_gpi_driver);
+	platform_driver_unregister(&wdt_gpi_driver);
 }
 
 module_init(wdt_gpi_init_module);
-- 
1.6.0.GIT


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] platform driver:fix incorrect use of 'platform_bus_type' with 'struct device_driver'
  2009-02-06 15:40 [PATCH] platform driver:fix incorrect use of 'platform_bus_type' with 'struct device_driver' tom.leiming
@ 2009-02-06 17:59 ` David Brownell
  2009-02-06 19:12   ` Henrique de Moraes Holschuh
  0 siblings, 1 reply; 3+ messages in thread
From: David Brownell @ 2009-02-06 17:59 UTC (permalink / raw)
  To: tom.leiming; +Cc: greg, kay.sievers, LW, hmh, linux-kernel

On Friday 06 February 2009, tom.leiming@gmail.com wrote:
> From: Ming Lei <tom.leiming@gmail.com>
> 
> This patch fixes the bug reported in
>         http://bugzilla.kernel.org/show_bug.cgi?id=11681.
> 
> "Lots of device drivers register a 'struct device_driver' with
> the '.bus' member set to '&platform_bus_type'. This is wrong,
> since the platform_bus functions expect the 'struct device_driver'
> to be wrapped up in a 'struct platform_driver' which provides
> some additional callbacks (like suspend_late, resume_early).
> The effect may be that platform_suspend_late() uses bogus data
> outside the device_driver struct as a pointer pointer to the
> device driver's suspend_late() function or other hard to
> reproduce failures."(Lothar Wassmann)
> 
> Signed-off-by: Ming Lei <tom.leiming@gmail.com>

I just glanced at this ... but those parts looked like
good fixes to this family of bugs.  Thanks.

- Dave


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] platform driver:fix incorrect use of 'platform_bus_type' with 'struct device_driver'
  2009-02-06 17:59 ` David Brownell
@ 2009-02-06 19:12   ` Henrique de Moraes Holschuh
  0 siblings, 0 replies; 3+ messages in thread
From: Henrique de Moraes Holschuh @ 2009-02-06 19:12 UTC (permalink / raw)
  To: David Brownell, tom.leiming; +Cc: greg, kay.sievers, LW, linux-kernel

On Fri, 6 Feb 2009 09:59:22 -0800, "David Brownell" <david-b@pacbell.net> said:
> On Friday 06 February 2009, tom.leiming@gmail.com wrote:
> > From: Ming Lei <tom.leiming@gmail.com>
> > 
> > This patch fixes the bug reported in
> >         http://bugzilla.kernel.org/show_bug.cgi?id=11681.
> > 
> > "Lots of device drivers register a 'struct device_driver' with
> > the '.bus' member set to '&platform_bus_type'. This is wrong,
> > since the platform_bus functions expect the 'struct device_driver'
> > to be wrapped up in a 'struct platform_driver' which provides
> > some additional callbacks (like suspend_late, resume_early).
> > The effect may be that platform_suspend_late() uses bogus data
> > outside the device_driver struct as a pointer pointer to the
> > device driver's suspend_late() function or other hard to
> > reproduce failures."(Lothar Wassmann)
> > 
> > Signed-off-by: Ming Lei <tom.leiming@gmail.com>
> 
> I just glanced at this ... but those parts looked like
> good fixes to this family of bugs.  Thanks.

Indeed!  Thanks for the patch.

Can we mark the drivers not fixed by this patch as BROKEN or at the very 
least block them from compiling if suspend support is enabled?  They hose
suspend and resume depending on random luck...

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh


^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2009-02-06 19:12 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2009-02-06 15:40 [PATCH] platform driver:fix incorrect use of 'platform_bus_type' with 'struct device_driver' tom.leiming
2009-02-06 17:59 ` David Brownell
2009-02-06 19:12   ` Henrique de Moraes Holschuh

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