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fpga: dfl: convert features from flexible array member to separate array

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Use a separate array allocation for features and substitute a pointer
for the flexible array member in the feature device data. A subsequent
commit will add another array for resources. The current commit converts
the flexible array member to a separate allocation for consistency.

Signed-off-by: Peter Colberg <peter.colberg@intel.com>
Reviewed-by: Matthew Gerlach <matthew.gerlach@linux.intel.com>
Reviewed-by: Basheer Ahmed Muddebihal <basheer.ahmed.muddebihal@linux.intel.com>
Acked-by: Xu Yilun <yilun.xu@intel.com>
Link: https://lore.kernel.org/r/20241120011035.230574-12-peter.colberg@intel.com
Signed-off-by: Xu Yilun <yilun.xu@linux.intel.com>
This commit is contained in:
Peter Colberg 2024-11-19 20:10:27 -05:00 committed by Xu Yilun
parent 39ea74e33e
commit b3245f700a
2 changed files with 7 additions and 2 deletions
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7
drivers/fpga/dfl.c
View File

@ -752,10 +752,15 @@ binfo_create_feature_dev_data(struct build_feature_devs_info *binfo)
if (WARN_ON_ONCE(type >= DFL_ID_MAX))
return ERR_PTR(-EINVAL);
fdata = devm_kzalloc(binfo->dev, struct_size(fdata, features, binfo->feature_num), GFP_KERNEL);
fdata = devm_kzalloc(binfo->dev, sizeof(*fdata), GFP_KERNEL);
if (!fdata)
return ERR_PTR(-ENOMEM);
fdata->features = devm_kcalloc(binfo->dev, binfo->feature_num,
sizeof(*fdata->features), GFP_KERNEL);
if (!fdata->features)
return ERR_PTR(-ENOMEM);
fdata->dev = fdev;
fdata->type = type;
fdata->num = binfo->feature_num;

2
drivers/fpga/dfl.h
View File

@ -330,7 +330,7 @@ struct dfl_feature_dev_data {
int open_count;
void *private;
int num;
struct dfl_feature features[];
struct dfl_feature *features;
};
/**