From: Zijun Hu <zijun_hu@icloud.com>
To: "Uwe Kleine-König" <ukleinek@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Chun-Kuang Hu <chunkuang.hu@kernel.org>,
Philipp Zabel <p.zabel@pengutronix.de>,
David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Jean Delvare <jdelvare@suse.com>,
Guenter Roeck <linux@roeck-us.net>,
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Zijun Hu <quic_zijuhu@quicinc.com>
Subject: Re: [PATCH v2 00/32] driver core: Constify API device_find_child() and adapt for various existing usages
Date: Tue, 3 Dec 2024 20:23:45 +0800 [thread overview]
Message-ID: <9d34bd6f-b120-428a-837b-5a5813e14618@icloud.com> (raw)
In-Reply-To: <g32cigmktmj4egkq2tof27el2yss4liccfxgebkgqvkil32mlb@e3ta4ezv7y4m>
On 2024/12/3 20:00, Uwe Kleine-König wrote:
> 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:
yes. such patch series needs to be merge as atomic way.
Hi Greg,
is it possible to ONLY merge such patch series by atomic way into your
driver-core tree?
or squash such patch series into a single patch ?
various subsystem maintainers may not like squashing way.
>
> 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
next prev parent reply other threads:[~2024-12-03 12:24 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-12-03 0:33 [PATCH v2 00/32] driver core: Constify API device_find_child() and adapt for various existing usages Zijun Hu
2024-12-03 0:33 ` [PATCH v2 01/32] driver core: Constify API device_find_child() Zijun Hu
2024-12-03 0:33 ` [PATCH v2 02/32] driver core: Introduce device_match_type() to match device with a device type Zijun Hu
2024-12-03 0:33 ` [PATCH v2 03/32] drm/mediatek: Adapt for constified device_find_child() Zijun Hu
2024-12-03 0:33 ` [PATCH v2 04/32] hwmon: " Zijun Hu
2024-12-03 0:33 ` [PATCH v2 05/32] media: pci: mgb4: " Zijun Hu
2024-12-03 0:33 ` [PATCH v2 06/32] thunderbolt: " Zijun Hu
2024-12-03 0:33 ` [PATCH v2 07/32] gpio: sim: Remove gpio_sim_dev_match_fwnode() Zijun Hu
2024-12-03 0:33 ` [PATCH v2 08/32] net: dsa: Adapt for constified device_find_child() Zijun Hu
2024-12-03 0:33 ` [PATCH v2 09/32] pwm: " Zijun Hu
2024-12-03 0:33 ` [PATCH v2 10/32] nvdimm: " Zijun Hu
2024-12-03 0:33 ` [PATCH v2 11/32] libnvdimm: Simplify nd_namespace_store() implementation Zijun Hu
2024-12-03 2:29 ` [PATCH v2 00/32] driver core: Constify API device_find_child() and adapt for various existing usages quic_zijuhu
2024-12-03 12:00 ` Uwe Kleine-König
2024-12-03 12:23 ` Zijun Hu [this message]
2024-12-03 12:41 ` Greg Kroah-Hartman
2024-12-03 13:02 ` Zijun Hu
2024-12-03 13:58 ` James Bottomley
2024-12-03 14:07 ` Thomas Weißschuh
2024-12-03 14:56 ` Zijun Hu
2024-12-03 15:34 ` James Bottomley
2024-12-04 12:26 ` Zijun Hu
2024-12-04 16:42 ` James Bottomley
2024-12-05 0:07 ` Zijun Hu
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