diff options
| author | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2016-03-04 19:42:48 +0200 |
|---|---|---|
| committer | Alexander Shishkin <alexander.shishkin@linux.intel.com> | 2016-04-08 16:11:56 +0300 |
| commit | b5edbf1ea3ad044b185be7015cffabba9c442660 (patch) | |
| tree | 8b49f20d96bef096649200656e4838a90ce09c3e /drivers/hwtracing/intel_th/core.c | |
| parent | 6575cbd67172bbcbfbb50ddd854d2b90c9f4e358 (diff) | |
intel_th: Allow subdevice drivers to bring in own attribute groups
Some subdevices (MSU, PTI) need to register their own driver-specific
attribute groups. Provide a way for those to pass their attribute
groups to the core driver in their driver structure so that the
core can take care of creating and removing them.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Reviewed-by: Laurent Fert <laurent.fert@intel.com>
Diffstat (limited to 'drivers/hwtracing/intel_th/core.c')
| -rw-r--r-- | drivers/hwtracing/intel_th/core.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index 4272f2ce5f6e..db0691929a60 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -71,6 +71,15 @@ static int intel_th_probe(struct device *dev) if (ret) return ret; + if (thdrv->attr_group) { + ret = sysfs_create_group(&thdev->dev.kobj, thdrv->attr_group); + if (ret) { + thdrv->remove(thdev); + + return ret; + } + } + if (thdev->type == INTEL_TH_OUTPUT && !intel_th_output_assigned(thdev)) ret = hubdrv->assign(hub, thdev); @@ -91,6 +100,9 @@ static int intel_th_remove(struct device *dev) return err; } + if (thdrv->attr_group) + sysfs_remove_group(&thdev->dev.kobj, thdrv->attr_group); + thdrv->remove(thdev); if (intel_th_output_assigned(thdev)) { |