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mmc: core: Remove redundant driver match function

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

Drop the mmc 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>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20211207095029.96387-1-sensor1010@163.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
lizhe 2021-12-07 01:50:29 -08:00 committed by Ulf Hansson
parent 4df297aaeb
commit 79e3b4c7dd
1 changed files with 0 additions and 11 deletions
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11
drivers/mmc/core/bus.c
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@ -53,16 +53,6 @@ static struct attribute *mmc_dev_attrs[] = {
};
ATTRIBUTE_GROUPS(mmc_dev);
/*
* This currently matches any MMC driver to any MMC card - drivers
* themselves make the decision whether to drive this card in their
* probe method.
*/
static int mmc_bus_match(struct device *dev, struct device_driver *drv)
{
return 1;
}
static int
mmc_bus_uevent(struct device *dev, struct kobj_uevent_env *env)
{
@ -226,7 +216,6 @@ static const struct dev_pm_ops mmc_bus_pm_ops = {
static struct bus_type mmc_bus_type = {
.name = "mmc",
.dev_groups = mmc_dev_groups,
.match = mmc_bus_match,
.uevent = mmc_bus_uevent,
.probe = mmc_bus_probe,
.remove = mmc_bus_remove,