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| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-02 12:47:05 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-08-02 12:47:05 +0200 |
| commit | 97e2551de3f91add297c1dc4c9dc95297eaadf12 (patch) | |
| tree | 8321578f79167b35e5db2075bd9ed9aba53e24f2 /drivers | |
| parent | of/platform: Don't create device links for default busses (diff) | |
| parent | driver core: add dev_groups to all drivers (diff) | |
| download | linux-dev-97e2551de3f91add297c1dc4c9dc95297eaadf12.tar.xz linux-dev-97e2551de3f91add297c1dc4c9dc95297eaadf12.zip | |
Merge tag 'dev_groups_all_drivers' into driver-core-next
dev_groups added to struct driver
Persistent tag for others to pull this branch from
This is the first patch in a longer series that adds the ability for the
driver core to create and remove a list of attribute groups
automatically when the device is bound/unbound from a specific driver.
See:
https://lore.kernel.org/r/20190731124349.4474-2-gregkh@linuxfoundation.org
for details on this patch, and examples of how to use it in other
drivers.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/base/dd.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c index 5e7041ede0d7..55fbc2467b37 100644 --- a/drivers/base/dd.c +++ b/drivers/base/dd.c @@ -554,9 +554,16 @@ re_probe: goto probe_failed; } + if (device_add_groups(dev, drv->dev_groups)) { + dev_err(dev, "device_add_groups() failed\n"); + goto dev_groups_failed; + } + if (test_remove) { test_remove = false; + device_remove_groups(dev, drv->dev_groups); + if (dev->bus->remove) dev->bus->remove(dev); else if (drv->remove) @@ -584,6 +591,11 @@ re_probe: drv->bus->name, __func__, dev_name(dev), drv->name); goto done; +dev_groups_failed: + if (dev->bus->remove) + dev->bus->remove(dev); + else if (drv->remove) + drv->remove(dev); probe_failed: if (dev->bus) blocking_notifier_call_chain(&dev->bus->p->bus_notifier, @@ -1143,6 +1155,8 @@ static void __device_release_driver(struct device *dev, struct device *parent) pm_runtime_put_sync(dev); + device_remove_groups(dev, drv->dev_groups); + if (dev->bus && dev->bus->remove) dev->bus->remove(dev); else if (drv->remove) |