If there is no driver match function, the driver core assumes that each candidate pair (driver, device) matches, see driver_match_device()

Drop the bus's match function that always returned 1 and so implements the same behaviour as when there is no match function.

Signed-off-by: Lizhe sensor1010@163.com --- sound/ac97_bus.c | 11 ----------- 1 file changed, 11 deletions(-)

diff --git a/sound/ac97_bus.c b/sound/ac97_bus.c index b4685c53ff11..c7aee8c42c55 100644 --- a/sound/ac97_bus.c +++ b/sound/ac97_bus.c @@ -75,19 +75,8 @@ int snd_ac97_reset(struct snd_ac97 *ac97, bool try_warm, unsigned int id, } EXPORT_SYMBOL_GPL(snd_ac97_reset);

-/* - * Let drivers decide whether they want to support given codec from their - * probe method. Drivers have direct access to the struct snd_ac97 - * structure and may decide based on the id field amongst other things. - */ -static int ac97_bus_match(struct device *dev, struct device_driver *drv) -{ - return 1; -} - struct bus_type ac97_bus_type = { .name = "ac97", - .match = ac97_bus_match, };

static int __init ac97_bus_init(void)