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fpga: region: change api, add fpga_region_create/free

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Add fpga_region_create/free API functions.

Change fpga_region_register to take FPGA region struct as the only
parameter.  Change fpga_region_unregister to return void.

  struct fpga_region *fpga_region_create(struct device *dev,
                        struct fpga_manager *mgr,
                        int (*get_bridges)(struct fpga_region *));
  void fpga_region_free(struct fpga_region *region);
  int fpga_region_register(struct fpga_region *region);
  void fpga_region_unregister(struct fpga_region *region);

Remove groups storage from struct fpga_region, it's not
needed.  Callers can just "region->dev.groups = groups;"
after calling fpga_region_create.

Update the drivers that call fpga_region_register with the new API.

Signed-off-by: Alan Tull <atull@kernel.org>
Signed-off-by: Moritz Fischer <mdf@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan Tull 2018-05-16 18:49:57 -05:00 • committed by Greg Kroah-Hartman
parent 371cd1b1fd
commit 9f368977b4
4 changed files with 68 additions and 27 deletions
Download patch file Download diff file Expand all files Collapse all files

13
drivers/fpga/of-fpga-region.c
View file

@ -422,20 +422,15 @@ static int of_fpga_region_probe(struct platform_device *pdev)
if (IS_ERR(mgr))
return -EPROBE_DEFER;
region = devm_kzalloc(dev, sizeof(*region), GFP_KERNEL);
region = fpga_region_create(dev, mgr, of_fpga_region_get_bridges);
if (!region) {
ret = -ENOMEM;
goto eprobe_mgr_put;
}
region->mgr = mgr;
/* Specify how to get bridges for this type of region. */
region->get_bridges = of_fpga_region_get_bridges;
ret = fpga_region_register(dev, region);
ret = fpga_region_register(region);
if (ret)
goto eprobe_mgr_put;
goto eprobe_free;
of_platform_populate(np, fpga_region_of_match, NULL, &region->dev);
dev_set_drvdata(dev, region);
@ -444,6 +439,8 @@ static int of_fpga_region_probe(struct platform_device *pdev)
return 0;
eprobe_free:
fpga_region_free(region);
eprobe_mgr_put:
fpga_mgr_put(mgr);
return ret;