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[PATCH] Add bttv sub bus_type probe and remove methods 

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Russell King 2006-01-06 11:42:03 +00:00 committed by Greg Kroah-Hartman
parent d78967fb03
commit 348290a4ae
3 changed files with 35 additions and 14 deletions
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23
drivers/media/dvb/bt8xx/dvb-bt8xx.c
View File

@ -779,9 +779,8 @@ static int __init dvb_bt8xx_load_card(struct dvb_bt8xx_card *card, u32 type)
return 0;
}
static int dvb_bt8xx_probe(struct device *dev)
static int dvb_bt8xx_probe(struct bttv_sub_device *sub)
{
struct bttv_sub_device *sub = to_bttv_sub_dev(dev);
struct dvb_bt8xx_card *card;
struct pci_dev* bttv_pci_dev;
int ret;
@ -890,13 +889,13 @@ static int dvb_bt8xx_probe(struct device *dev)
return ret;
}
dev_set_drvdata(dev, card);
dev_set_drvdata(&sub->dev, card);
return 0;
}
static int dvb_bt8xx_remove(struct device *dev)
static int dvb_bt8xx_remove(struct bttv_sub_device *sub)
{
struct dvb_bt8xx_card *card = dev_get_drvdata(dev);
struct dvb_bt8xx_card *card = dev_get_drvdata(&sub->dev);
dprintk("dvb_bt8xx: unloading card%d\n", card->bttv_nr);
@ -919,14 +918,14 @@ static int dvb_bt8xx_remove(struct device *dev)
static struct bttv_sub_driver driver = {
.drv = {
.name = "dvb-bt8xx",
.probe = dvb_bt8xx_probe,
.remove = dvb_bt8xx_remove,
/* FIXME:
* .shutdown = dvb_bt8xx_shutdown,
* .suspend = dvb_bt8xx_suspend,
* .resume = dvb_bt8xx_resume,
*/
},
.probe = dvb_bt8xx_probe,
.remove = dvb_bt8xx_remove,
/* FIXME:
* .shutdown = dvb_bt8xx_shutdown,
* .suspend = dvb_bt8xx_suspend,
* .resume = dvb_bt8xx_resume,
*/
};
static int __init dvb_bt8xx_init(void)

24
drivers/media/video/bttv-gpio.c
View File

@ -47,9 +47,29 @@ static int bttv_sub_bus_match(struct device *dev, struct device_driver *drv)
return 0;
}
static int bttv_sub_probe(struct device *dev)
{
struct bttv_sub_device *sdev = to_bttv_sub_dev(dev);
struct bttv_sub_driver *sub = to_bttv_sub_drv(dev->driver);
return sub->probe ? sub->probe(sdev) : -ENODEV;
}
static int bttv_sub_remove(struct device *dev)
{
struct bttv_sub_device *sdev = to_bttv_sub_dev(dev);
struct bttv_sub_driver *sub = to_bttv_sub_drv(dev->driver);
if (sub->remove)
sub->remove(sdev);
return 0;
}
struct bus_type bttv_sub_bus_type = {
.name = "bttv-sub",
.match = &bttv_sub_bus_match,
.name = "bttv-sub",
.match = &bttv_sub_bus_match,
.probe = bttv_sub_probe,
.remove = bttv_sub_remove,
};
EXPORT_SYMBOL(bttv_sub_bus_type);

2
drivers/media/video/bttv.h
View File

@ -365,6 +365,8 @@ struct bttv_sub_device {
struct bttv_sub_driver {
struct device_driver drv;
char wanted[BUS_ID_SIZE];
int (*probe)(struct bttv_sub_device *sub);
void (*remove)(struct bttv_sub_device *sub);
void (*gpio_irq)(struct bttv_sub_device *sub);
};
#define to_bttv_sub_drv(x) container_of((x), struct bttv_sub_driver, drv)