[PATCH v5 1/9] fpga: dfl: make init callback optional
From: Wu Hao <hidden>
Date: 2019-08-12 03:07:51
Also in:
linux-doc, linux-fpga, lkml
Subsystem:
fpga dfl drivers, fpga manager framework, the rest · Maintainers:
Xu Yilun, Moritz Fischer, Linus Torvalds
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 <redacted> --- drivers/fpga/dfl.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
index c0512af..96a2b82 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;
--
1.8.3.1