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Driver core: add platform_create_bundle() helper

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Many legacy-style module create singleton platform devices themselves,
along with corresponding platform driver. Instead of replicating error
handling code in all such drivers, provide a helper that allocates and
registers a single platform device and a driver and binds them together.

Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dmitry Torokhov 2009-12-29 20:11:20 -08:00 • committed by Greg Kroah-Hartman
commit ecdf6ceb8c
2 changed files with 63 additions and 0 deletions
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5
include/linux/platform_device.h
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@ -77,6 +77,11 @@ extern int platform_driver_probe(struct platform_driver *driver,
#define platform_get_drvdata(_dev) dev_get_drvdata(&(_dev)->dev)
#define platform_set_drvdata(_dev,data) dev_set_drvdata(&(_dev)->dev, (data))
extern struct platform_device *platform_create_bundle(struct platform_driver *driver,
int (*probe)(struct platform_device *),
struct resource *res, unsigned int n_res,
const void *data, size_t size);
/* early platform driver interface */
struct early_platform_driver {
const char *class_str;