[PATCH v7 2/3] pwm: Add Allwinner's D1/T113-S3/R329 SoCs PWM support
kernel test robot
lkp at intel.com
Thu Jan 25 07:11:06 PST 2024
Hi Aleksandr,
kernel test robot noticed the following build warnings:
[auto build test WARNING on robh/for-next]
[also build test WARNING on sunxi/sunxi/for-next linus/master v6.8-rc1 next-20240125]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/Aleksandr-Shubin/dt-bindings-pwm-Add-binding-for-Allwinner-D1-T113-S3-R329-PWM-controller/20240125-152445
base: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git for-next
patch link: https://lore.kernel.org/r/20240125072032.1151383-3-privatesub2%40gmail.com
patch subject: [PATCH v7 2/3] pwm: Add Allwinner's D1/T113-S3/R329 SoCs PWM support
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20240125/202401252250.TYU33FhT-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240125/202401252250.TYU33FhT-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp at intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202401252250.TYU33FhT-lkp@intel.com/
All warnings (new ones prefixed by >>):
drivers/pwm/pwm-sun20i.c:288:10: error: 'const struct pwm_ops' has no member named 'owner'
288 | .owner = THIS_MODULE,
| ^~~~~
In file included from include/linux/printk.h:6,
from include/linux/kernel.h:31,
from include/linux/clk.h:13,
from drivers/pwm/pwm-sun20i.c:14:
include/linux/init.h:186:21: error: initialization of 'int (*)(struct pwm_chip *, struct pwm_device *, struct pwm_state *)' from incompatible pointer type 'struct module *' [-Werror=incompatible-pointer-types]
186 | #define THIS_MODULE ((struct module *)0)
| ^
drivers/pwm/pwm-sun20i.c:288:18: note: in expansion of macro 'THIS_MODULE'
288 | .owner = THIS_MODULE,
| ^~~~~~~~~~~
include/linux/init.h:186:21: note: (near initialization for 'sun20i_pwm_ops.get_state')
186 | #define THIS_MODULE ((struct module *)0)
| ^
drivers/pwm/pwm-sun20i.c:288:18: note: in expansion of macro 'THIS_MODULE'
288 | .owner = THIS_MODULE,
| ^~~~~~~~~~~
include/linux/init.h:186:21: warning: initialized field overwritten [-Woverride-init]
186 | #define THIS_MODULE ((struct module *)0)
| ^
drivers/pwm/pwm-sun20i.c:288:18: note: in expansion of macro 'THIS_MODULE'
288 | .owner = THIS_MODULE,
| ^~~~~~~~~~~
include/linux/init.h:186:21: note: (near initialization for 'sun20i_pwm_ops.get_state')
186 | #define THIS_MODULE ((struct module *)0)
| ^
drivers/pwm/pwm-sun20i.c:288:18: note: in expansion of macro 'THIS_MODULE'
288 | .owner = THIS_MODULE,
| ^~~~~~~~~~~
>> drivers/pwm/pwm-sun20i.c:297:36: warning: 'struct platform_device' declared inside parameter list will not be visible outside of this definition or declaration
297 | static int sun20i_pwm_probe(struct platform_device *pdev)
| ^~~~~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c: In function 'sun20i_pwm_probe':
drivers/pwm/pwm-sun20i.c:302:23: error: implicit declaration of function 'devm_kzalloc' [-Werror=implicit-function-declaration]
302 | sun20i_chip = devm_kzalloc(&pdev->dev, sizeof(*sun20i_chip), GFP_KERNEL);
| ^~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c:302:41: error: invalid use of undefined type 'struct platform_device'
302 | sun20i_chip = devm_kzalloc(&pdev->dev, sizeof(*sun20i_chip), GFP_KERNEL);
| ^~
drivers/pwm/pwm-sun20i.c:306:29: error: implicit declaration of function 'devm_platform_ioremap_resource' [-Werror=implicit-function-declaration]
306 | sun20i_chip->base = devm_platform_ioremap_resource(pdev, 0);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/pwm/pwm-sun20i.c:306:27: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
306 | sun20i_chip->base = devm_platform_ioremap_resource(pdev, 0);
| ^
drivers/pwm/pwm-sun20i.c:310:58: error: invalid use of undefined type 'struct platform_device'
310 | sun20i_chip->clk_bus = devm_clk_get_enabled(&pdev->dev, "bus");
| ^~
drivers/pwm/pwm-sun20i.c:312:24: error: implicit declaration of function 'dev_err_probe' [-Werror=implicit-function-declaration]
312 | return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->clk_bus),
| ^~~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c:312:43: error: invalid use of undefined type 'struct platform_device'
312 | return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->clk_bus),
| ^~
drivers/pwm/pwm-sun20i.c:315:59: error: invalid use of undefined type 'struct platform_device'
315 | sun20i_chip->clk_hosc = devm_clk_get_enabled(&pdev->dev, "hosc");
| ^~
drivers/pwm/pwm-sun20i.c:317:43: error: invalid use of undefined type 'struct platform_device'
317 | return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->clk_hosc),
| ^~
drivers/pwm/pwm-sun20i.c:320:59: error: invalid use of undefined type 'struct platform_device'
320 | sun20i_chip->clk_apb0 = devm_clk_get_enabled(&pdev->dev, "apb0");
| ^~
drivers/pwm/pwm-sun20i.c:322:43: error: invalid use of undefined type 'struct platform_device'
322 | return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->clk_apb0),
| ^~
drivers/pwm/pwm-sun20i.c:325:66: error: invalid use of undefined type 'struct platform_device'
325 | sun20i_chip->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
| ^~
drivers/pwm/pwm-sun20i.c:327:43: error: invalid use of undefined type 'struct platform_device'
327 | return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->rst),
| ^~
drivers/pwm/pwm-sun20i.c:330:40: error: invalid use of undefined type 'struct platform_device'
330 | ret = of_property_read_u32(pdev->dev.of_node, "allwinner,pwm-channels",
| ^~
drivers/pwm/pwm-sun20i.c:341:43: error: invalid use of undefined type 'struct platform_device'
341 | return dev_err_probe(&pdev->dev, ret, "failed to deassert reset\n");
| ^~
drivers/pwm/pwm-sun20i.c:343:38: error: invalid use of undefined type 'struct platform_device'
343 | sun20i_chip->chip.dev = &pdev->dev;
| ^~
drivers/pwm/pwm-sun20i.c:351:43: error: invalid use of undefined type 'struct platform_device'
351 | return dev_err_probe(&pdev->dev, ret, "failed to add PWM chip\n");
| ^~
drivers/pwm/pwm-sun20i.c:354:9: error: implicit declaration of function 'platform_set_drvdata' [-Werror=implicit-function-declaration]
354 | platform_set_drvdata(pdev, sun20i_chip);
| ^~~~~~~~~~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c: At top level:
drivers/pwm/pwm-sun20i.c:359:38: warning: 'struct platform_device' declared inside parameter list will not be visible outside of this definition or declaration
359 | static void sun20i_pwm_remove(struct platform_device *pdev)
| ^~~~~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c: In function 'sun20i_pwm_remove':
drivers/pwm/pwm-sun20i.c:361:47: error: implicit declaration of function 'platform_get_drvdata' [-Werror=implicit-function-declaration]
361 | struct sun20i_pwm_chip *sun20i_chip = platform_get_drvdata(pdev);
| ^~~~~~~~~~~~~~~~~~~~
>> drivers/pwm/pwm-sun20i.c:361:47: warning: initialization of 'struct sun20i_pwm_chip *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
drivers/pwm/pwm-sun20i.c: At top level:
drivers/pwm/pwm-sun20i.c:368:15: error: variable 'sun20i_pwm_driver' has initializer but incomplete type
368 | static struct platform_driver sun20i_pwm_driver = {
| ^~~~~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c:369:10: error: 'struct platform_driver' has no member named 'driver'
369 | .driver = {
| ^~~~~~
drivers/pwm/pwm-sun20i.c:369:19: error: extra brace group at end of initializer
369 | .driver = {
| ^
drivers/pwm/pwm-sun20i.c:369:19: note: (near initialization for 'sun20i_pwm_driver')
>> drivers/pwm/pwm-sun20i.c:369:19: warning: excess elements in struct initializer
drivers/pwm/pwm-sun20i.c:369:19: note: (near initialization for 'sun20i_pwm_driver')
drivers/pwm/pwm-sun20i.c:373:10: error: 'struct platform_driver' has no member named 'probe'
373 | .probe = sun20i_pwm_probe,
| ^~~~~
drivers/pwm/pwm-sun20i.c:373:18: warning: excess elements in struct initializer
373 | .probe = sun20i_pwm_probe,
| ^~~~~~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c:373:18: note: (near initialization for 'sun20i_pwm_driver')
drivers/pwm/pwm-sun20i.c:374:10: error: 'struct platform_driver' has no member named 'remove_new'
374 | .remove_new = sun20i_pwm_remove,
| ^~~~~~~~~~
drivers/pwm/pwm-sun20i.c:374:23: warning: excess elements in struct initializer
374 | .remove_new = sun20i_pwm_remove,
| ^~~~~~~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c:374:23: note: (near initialization for 'sun20i_pwm_driver')
>> drivers/pwm/pwm-sun20i.c:376:1: warning: data definition has no type or storage class
376 | module_platform_driver(sun20i_pwm_driver);
| ^~~~~~~~~~~~~~~~~~~~~~
drivers/pwm/pwm-sun20i.c:376:1: error: type defaults to 'int' in declaration of 'module_platform_driver' [-Werror=implicit-int]
>> drivers/pwm/pwm-sun20i.c:376:1: warning: parameter names (without types) in function declaration
drivers/pwm/pwm-sun20i.c:368:31: error: storage size of 'sun20i_pwm_driver' isn't known
368 | static struct platform_driver sun20i_pwm_driver = {
| ^~~~~~~~~~~~~~~~~
>> drivers/pwm/pwm-sun20i.c:368:31: warning: 'sun20i_pwm_driver' defined but not used [-Wunused-variable]
cc1: some warnings being treated as errors
vim +297 drivers/pwm/pwm-sun20i.c
296
> 297 static int sun20i_pwm_probe(struct platform_device *pdev)
298 {
299 struct sun20i_pwm_chip *sun20i_chip;
300 int ret;
301
302 sun20i_chip = devm_kzalloc(&pdev->dev, sizeof(*sun20i_chip), GFP_KERNEL);
303 if (!sun20i_chip)
304 return -ENOMEM;
305
> 306 sun20i_chip->base = devm_platform_ioremap_resource(pdev, 0);
307 if (IS_ERR(sun20i_chip->base))
308 return PTR_ERR(sun20i_chip->base);
309
310 sun20i_chip->clk_bus = devm_clk_get_enabled(&pdev->dev, "bus");
311 if (IS_ERR(sun20i_chip->clk_bus))
312 return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->clk_bus),
313 "failed to get bus clock\n");
314
315 sun20i_chip->clk_hosc = devm_clk_get_enabled(&pdev->dev, "hosc");
316 if (IS_ERR(sun20i_chip->clk_hosc))
317 return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->clk_hosc),
318 "failed to get hosc clock\n");
319
320 sun20i_chip->clk_apb0 = devm_clk_get_enabled(&pdev->dev, "apb0");
321 if (IS_ERR(sun20i_chip->clk_apb0))
322 return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->clk_apb0),
323 "failed to get apb0 clock\n");
324
325 sun20i_chip->rst = devm_reset_control_get_exclusive(&pdev->dev, NULL);
326 if (IS_ERR(sun20i_chip->rst))
327 return dev_err_probe(&pdev->dev, PTR_ERR(sun20i_chip->rst),
328 "failed to get bus reset\n");
329
330 ret = of_property_read_u32(pdev->dev.of_node, "allwinner,pwm-channels",
331 &sun20i_chip->chip.npwm);
332 if (ret)
333 sun20i_chip->chip.npwm = 8;
334
335 if (sun20i_chip->chip.npwm > 16)
336 sun20i_chip->chip.npwm = 16;
337
338 /* Deassert reset */
339 ret = reset_control_deassert(sun20i_chip->rst);
340 if (ret)
341 return dev_err_probe(&pdev->dev, ret, "failed to deassert reset\n");
342
343 sun20i_chip->chip.dev = &pdev->dev;
344 sun20i_chip->chip.ops = &sun20i_pwm_ops;
345
346 mutex_init(&sun20i_chip->mutex);
347
348 ret = pwmchip_add(&sun20i_chip->chip);
349 if (ret < 0) {
350 reset_control_assert(sun20i_chip->rst);
351 return dev_err_probe(&pdev->dev, ret, "failed to add PWM chip\n");
352 }
353
354 platform_set_drvdata(pdev, sun20i_chip);
355
356 return 0;
357 }
358
359 static void sun20i_pwm_remove(struct platform_device *pdev)
360 {
> 361 struct sun20i_pwm_chip *sun20i_chip = platform_get_drvdata(pdev);
362
363 pwmchip_remove(&sun20i_chip->chip);
364
365 reset_control_assert(sun20i_chip->rst);
366 }
367
> 368 static struct platform_driver sun20i_pwm_driver = {
> 369 .driver = {
370 .name = "sun20i-pwm",
371 .of_match_table = sun20i_pwm_dt_ids,
372 },
373 .probe = sun20i_pwm_probe,
374 .remove_new = sun20i_pwm_remove,
375 };
> 376 module_platform_driver(sun20i_pwm_driver);
377
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