Re: [RFC PATCH v3 4/4] drm/armada: Convert the probe function to the generic drm_of_component_probe()
From: kbuild test robot
Date: Mon Oct 19 2015 - 18:08:55 EST
Hi Liviu,
[auto build test WARNING on drm/drm-next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
url: https://github.com/0day-ci/linux/commits/Liviu-Dudau/drm-Introduce-generic-probe-function-for-component-based-masters/20151019-231229
config: arm-allmodconfig (attached as .config)
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=arm
All warnings (new ones prefixed by >>):
drivers/gpu/drm/armada/armada_drv.c: In function 'armada_drm_probe':
>> drivers/gpu/drm/armada/armada_drv.c:291:4: warning: passing argument 2 of 'component_match_add' from incompatible pointer type
component_match_add(&pdev->dev, match, compare_dev_name,
^
In file included from drivers/gpu/drm/armada/armada_drv.c:9:0:
include/linux/component.h:36:6: note: expected 'struct component_match **' but argument is of type 'struct component_match *'
void component_match_add(struct device *, struct component_match **,
^
>> drivers/gpu/drm/armada/armada_drv.c:304:6: warning: passing argument 2 of 'armada_add_endpoints' from incompatible pointer type
armada_add_endpoints(&pdev->dev, match,
^
drivers/gpu/drm/armada/armada_drv.c:247:13: note: expected 'struct component_match **' but argument is of type 'struct component_match *'
static void armada_add_endpoints(struct device *dev,
^
vim +/component_match_add +291 drivers/gpu/drm/armada/armada_drv.c
285 char **devices = pdev->dev.platform_data;
286 struct device_node *port;
287 struct device *d;
288 int i;
289
290 for (i = 0; devices[i]; i++)
> 291 component_match_add(&pdev->dev, match, compare_dev_name,
292 devices[i]);
293
294 if (i == 0) {
295 dev_err(&pdev->dev, "missing 'ports' property\n");
296 return -ENODEV;
297 }
298
299 for (i = 0; devices[i]; i++) {
300 d = bus_find_device_by_name(&platform_bus_type, NULL,
301 devices[i]);
302 if (d && d->of_node) {
303 for_each_child_of_node(d->of_node, port)
> 304 armada_add_endpoints(&pdev->dev, match,
305 port);
306 }
307 put_device(d);
---
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