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SubjectRe: [DRIVER MODEL] Convert ARM IMX drivers
Convert platform drivers to use struct platform_driver

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

diff -u b/drivers/serial/imx.c b/drivers/serial/imx.c
--- b/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -921,9 +921,9 @@
.cons = IMX_CONSOLE,
};

-static int serial_imx_suspend(struct device *_dev, pm_message_t state)
+static int serial_imx_suspend(struct platform_device *dev, pm_message_t state)
{
- struct imx_port *sport = dev_get_drvdata(_dev);
+ struct imx_port *sport = platform_get_drvdata(dev);

if (sport)
uart_suspend_port(&imx_reg, &sport->port);
@@ -931,9 +931,9 @@
return 0;
}

-static int serial_imx_resume(struct device *_dev)
+static int serial_imx_resume(struct platform_device *dev)
{
- struct imx_port *sport = dev_get_drvdata(_dev);
+ struct imx_port *sport = platform_get_drvdata(dev);

if (sport)
uart_resume_port(&imx_reg, &sport->port);
@@ -941,21 +941,19 @@
return 0;
}

-static int serial_imx_probe(struct device *_dev)
+static int serial_imx_probe(struct platform_device *dev)
{
- struct platform_device *dev = to_platform_device(_dev);
-
- imx_ports[dev->id].port.dev = _dev;
+ imx_ports[dev->id].port.dev = &dev->dev;
uart_add_one_port(&imx_reg, &imx_ports[dev->id].port);
- dev_set_drvdata(_dev, &imx_ports[dev->id]);
+ platform_set_drvdata(dev, &imx_ports[dev->id]);
return 0;
}

-static int serial_imx_remove(struct device *_dev)
+static int serial_imx_remove(struct platform_device *dev)
{
- struct imx_port *sport = dev_get_drvdata(_dev);
+ struct imx_port *sport = platform_get_drvdata(dev);

- dev_set_drvdata(_dev, NULL);
+ platform_set_drvdata(dev, NULL);

if (sport)
uart_remove_one_port(&imx_reg, &sport->port);
@@ -963,14 +961,15 @@
return 0;
}

-static struct device_driver serial_imx_driver = {
- .name = "imx-uart",
- .bus = &platform_bus_type,
+static struct platform_driver serial_imx_driver = {
.probe = serial_imx_probe,
.remove = serial_imx_remove,

.suspend = serial_imx_suspend,
.resume = serial_imx_resume,
+ .driver = {
+ .name = "imx-uart",
+ },
};

static int __init imx_serial_init(void)
@@ -985,7 +984,7 @@
if (ret)
return ret;

- ret = driver_register(&serial_imx_driver);
+ ret = platform_driver_register(&serial_imx_driver);
if (ret != 0)
uart_unregister_driver(&imx_reg);

diff -u b/drivers/video/imxfb.c b/drivers/video/imxfb.c
--- b/drivers/video/imxfb.c
+++ b/drivers/video/imxfb.c
@@ -424,18 +424,18 @@
* Power management hooks. Note that we won't be called from IRQ context,
* unlike the blank functions above, so we may sleep.
*/
-static int imxfb_suspend(struct device *dev, pm_message_t state)
+static int imxfb_suspend(struct platform_device *dev, pm_message_t state)
{
- struct imxfb_info *fbi = dev_get_drvdata(dev);
+ struct imxfb_info *fbi = platform_get_drvdata(dev);
pr_debug("%s\n",__FUNCTION__);

imxfb_disable_controller(fbi);
return 0;
}

-static int imxfb_resume(struct device *dev)
+static int imxfb_resume(struct platform_device *dev)
{
- struct imxfb_info *fbi = dev_get_drvdata(dev);
+ struct imxfb_info *fbi = platform_get_drvdata(dev);
pr_debug("%s\n",__FUNCTION__);

imxfb_enable_controller(fbi);
@@ -539,9 +539,8 @@
return fbi->map_cpu ? 0 : -ENOMEM;
}

-static int __init imxfb_probe(struct device *dev)
+static int __init imxfb_probe(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
struct imxfb_info *fbi;
struct fb_info *info;
struct imxfb_mach_info *inf;
@@ -554,21 +553,21 @@
if(!res)
return -ENODEV;

- inf = dev->platform_data;
+ inf = pdev->dev.platform_data;
if(!inf) {
dev_err(dev,"No platform_data available\n");
return -ENOMEM;
}

- info = framebuffer_alloc(sizeof(struct imxfb_info), dev);
+ info = framebuffer_alloc(sizeof(struct imxfb_info), &pdev->dev);
if(!info)
return -ENOMEM;

fbi = info->par;

- dev_set_drvdata(dev, info);
+ platform_set_drvdata(pdev, info);

- ret = imxfb_init_fbinfo(dev);
+ ret = imxfb_init_fbinfo(&pdev->dev);
if( ret < 0 )
goto failed_init;

@@ -622,22 +621,21 @@
fb_dealloc_cmap(&info->cmap);
failed_cmap:
if (!inf->fixed_screen_cpu)
- dma_free_writecombine(dev,fbi->map_size,fbi->map_cpu,
+ dma_free_writecombine(&pdev->dev,fbi->map_size,fbi->map_cpu,
fbi->map_dma);
failed_map:
kfree(info->pseudo_palette);
failed_regs:
release_mem_region(res->start, res->end - res->start);
failed_init:
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);
framebuffer_release(info);
return ret;
}

-static int imxfb_remove(struct device *dev)
+static int imxfb_remove(struct platform_device *pdev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct fb_info *info = dev_get_drvdata(dev);
+ struct fb_info *info = platform_get_drvdata(pdev);
struct imxfb_info *fbi = info->par;
struct resource *res;

@@ -652,14 +650,14 @@
framebuffer_release(info);

release_mem_region(res->start, res->end - res->start + 1);
- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(pdev, NULL);

return 0;
}

-void imxfb_shutdown(struct device * dev)
+void imxfb_shutdown(struct platform_device * dev)
{
- struct fb_info *info = dev_get_drvdata(dev);
+ struct fb_info *info = platform_get_drvdata(dev);
struct imxfb_info *fbi = info->par;
imxfb_disable_controller(fbi);
}
@@ -664,24 +662,25 @@
imxfb_disable_controller(fbi);
}

-static struct device_driver imxfb_driver = {
- .name = "imx-fb",
- .bus = &platform_bus_type,
+static struct platform_driver imxfb_driver = {
.probe = imxfb_probe,
.suspend = imxfb_suspend,
.resume = imxfb_resume,
.remove = imxfb_remove,
.shutdown = imxfb_shutdown,
+ .driver = {
+ .name = "imx-fb",
+ },
};

int __init imxfb_init(void)
{
- return driver_register(&imxfb_driver);
+ return platform_driver_register(&imxfb_driver);
}

static void __exit imxfb_cleanup(void)
{
- driver_unregister(&imxfb_driver);
+ platform_driver_unregister(&imxfb_driver);
}

module_init(imxfb_init);
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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