diff options
| author |   Wu Hao <hao.wu@intel.com> | 2019-08-12 10:49:56 +0800 |
|---|---|---|
| committer |   Moritz Fischer <mdf@kernel.org> | 2019-09-03 19:35:40 -0700 |
| commit | 84b693e3786b92d2e7bb9108ca187253ffd02115 (patch) | |
| tree | 670a447bb15c4c2666ec1fa5398a9f8a222132d5 /drivers/fpga | |
| parent | Merge branch 'char-misc-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc into fpga-dfl-for-5.4 (diff) | |
| download | linux-dev-84b693e3786b92d2e7bb9108ca187253ffd02115.tar.xz linux-dev-84b693e3786b92d2e7bb9108ca187253ffd02115.zip | |
fpga: dfl: make init callback optional
This patch makes init callback of sub features optional. With
this change, people don't need to prepare any empty init callback.
Signed-off-by: Wu Hao <hao.wu@intel.com>
Acked-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Diffstat (limited to 'drivers/fpga')
| -rw-r--r-- | drivers/fpga/dfl.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index c0512afc4ed7..96a2b8274a33 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -271,11 +271,13 @@ static int dfl_feature_instance_init(struct platform_device *pdev, struct dfl_feature *feature, struct dfl_feature_driver *drv) { - int ret; + int ret = 0; - ret = drv->ops->init(pdev, feature); - if (ret) - return ret; + if (drv->ops->init) { + ret = drv->ops->init(pdev, feature); + if (ret) + return ret; + } feature->ops = drv->ops; |