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fpga: dfl: make init callback optional

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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>
This commit is contained in:
Wu Hao 2019-08-12 10:49:56 +08:00 committed by Moritz Fischer
parent af9ca4b0bd
commit 84b693e378
1 changed files with 6 additions and 4 deletions
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10
drivers/fpga/dfl.c
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@ -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;