Hello,
On Tue, Dec 03, 2024 at 08:33:22AM +0800, Zijun Hu wrote:
> This patch series is to constify the following API:
> struct device *device_find_child(struct device *dev, void *data,
> int (*match)(struct device *dev, void *data));
> To :
> struct device *device_find_child(struct device *dev, const void *data,
> device_match_t match);
> typedef int (*device_match_t)(struct device *dev, const void *data);
This series isn't bisectible. With only the first two patches applied I
hit:
CC drivers/pwm/core.o
drivers/pwm/core.c: In function ‘pwm_unexport_child’:
drivers/pwm/core.c:1292:55: error: passing argument 3 of ‘device_find_child’ from incompatible pointer type [-Wincompatible-pointer-types]
1292 | pwm_dev = device_find_child(pwmchip_dev, pwm, pwm_unexport_match);
| ^~~~~~~~~~~~~~~~~~
| |
| int (*)(struct device *, void *)
In file included from include/linux/acpi.h:14,
from drivers/pwm/core.c:11:
include/linux/device.h:1085:49: note: expected ‘device_match_t’ {aka ‘int (*)(struct device *, const void *)’} but argument is of type ‘int (*)(struct device *, void *)’
1085 | device_match_t match);
| ~~~~~~~~~~~~~~~^~~~~
drivers/pwm/core.c: In function ‘pwm_class_get_state’:
drivers/pwm/core.c:1386:55: error: passing argument 3 of ‘device_find_child’ from incompatible pointer type [-Wincompatible-pointer-types]
1386 | pwm_dev = device_find_child(pwmchip_dev, pwm, pwm_unexport_match);
| ^~~~~~~~~~~~~~~~~~
| |
| int (*)(struct device *, void *)
include/linux/device.h:1085:49: note: expected ‘device_match_t’ {aka ‘int (*)(struct device *, const void *)’} but argument is of type ‘int (*)(struct device *, void *)’
1085 | device_match_t match);
| ~~~~~~~~~~~~~~~^~~~~
make[5]: *** [scripts/Makefile.build:194: drivers/pwm/core.o] Error 1
make[4]: *** [scripts/Makefile.build:440: drivers/pwm] Error 2
make[3]: *** [scripts/Makefile.build:440: drivers] Error 2
make[2]: *** [Makefile:1989: .] Error 2
make[1]: *** [Makefile:372: __build_one_by_one] Error 2
make: *** [Makefile:251: __sub-make] Error 2
Best regards
Uwe
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