Re: [PATCH v3 04/11] driver core: Constify API device_find_child() then adapt for various usages
Zijun Hu <[email protected]>
| Newsgroups | gmane.linux.kernel.hwmon,gmane.linux.kernel,gmane.linux.sound,gmane.linux.ports.sparc,gmane.linux.block,gmane.linux.kernel.firewire.devel,gmane.linux.kernel.efi,gmane.linux.kernel.gpio,gmane.comp.video.dri.devel,gmane.linux.ports.arm.mediatek,gmane.linux.drivers.video-input-infrastructure,gmane.linux.pwm,gmane.linux.scsi,gmane.linux.iscsi.open-iscsi,gmane.linux.usb.general,gmane.linux.serial,gmane.linux.network |
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| Message-ID | <[email protected]> |
On 2024/12/5 18:41, Uwe Kleine-König wrote:
> On Thu, Dec 05, 2024 at 08:10:13AM +0800, Zijun Hu wrote:
>> diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
>> index 07933d75ac815160a2580dce39fde7653a9502e1..1a1a9d6b8f2e8dfedefafde846315a06a167fbfb 100644
>> --- a/arch/sparc/kernel/vio.c
>> +++ b/arch/sparc/kernel/vio.c
>> @@ -419,13 +419,13 @@ struct vio_remove_node_data {
>> u64 node;
>> };
>>
>> -static int vio_md_node_match(struct device *dev, void *arg)
>> +static int vio_md_node_match(struct device *dev, const void *arg)
>> {
>> struct vio_dev *vdev = to_vio_dev(dev);
>> - struct vio_remove_node_data *node_data;
>> + const struct vio_remove_node_data *node_data;
>> u64 node;
>>
>> - node_data = (struct vio_remove_node_data *)arg;
existing code has such cast
>> + node_data = (const struct vio_remove_node_data *)arg;
>
i just follow existing code here.
> You can just drop the cast here. But maybe that is better be done i a
> separate change.
>
agree, removing such casts may be another topic.
>> node = vio_vdev_node(node_data->hp, vdev);
>>
>
> Best regards
> Uwe