On 6/15/21 7:38 PM, Mathieu Poirier wrote:
> Good day,
>
> On Fri, Jun 04, 2021 at 11:14:04AM +0200, Arnaud Pouliquen wrote:
>> Implement the RPMSG_RELEASE_DEV_IOCTL to allow the user application to
>> release a rpmsg device created either by the remote processor or with
>> the RPMSG_CREATE_DEV_IOCTL call.
>> Depending on the back-end implementation, the associated rpmsg driver is
>> removed and a NS destroy rpmsg can be sent to the remote processor.
>>
>> Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@xxxxxxxxxxx>
>> ---
>> drivers/rpmsg/rpmsg_ctrl.c | 7 +++++++
>> include/uapi/linux/rpmsg.h | 5 +++++
>> 2 files changed, 12 insertions(+)
>>
>> diff --git a/drivers/rpmsg/rpmsg_ctrl.c b/drivers/rpmsg/rpmsg_ctrl.c
>> index 4aa962df3661..cb19e32d05e1 100644
>> --- a/drivers/rpmsg/rpmsg_ctrl.c
>> +++ b/drivers/rpmsg/rpmsg_ctrl.c
>> @@ -98,6 +98,13 @@ static long rpmsg_ctrldev_ioctl(struct file *fp, unsigned int cmd,
>> }
>> break;
>>
>> + case RPMSG_RELEASE_DEV_IOCTL:
>> + ret = rpmsg_release_channel(ctrldev->rpdev, &chinfo);
>> + if (ret)
>> + dev_err(&ctrldev->dev, "failed to release %s channel (%d)\n",
>> + chinfo.name, ret);
>> + break;
>> +
>
> Please move the content of this patch in 1/4.
ok
>
>> default:
>> ret = -EINVAL;
>> }
>> diff --git a/include/uapi/linux/rpmsg.h b/include/uapi/linux/rpmsg.h
>> index f9d5a74e7801..38639ba37438 100644
>> --- a/include/uapi/linux/rpmsg.h
>> +++ b/include/uapi/linux/rpmsg.h
>> @@ -38,4 +38,9 @@ struct rpmsg_endpoint_info {
>> */
>> #define RPMSG_CREATE_DEV_IOCTL _IOW(0xb5, 0x3, struct rpmsg_endpoint_info)
>>
>> +/**
>> + * Release a local rpmsg device.
>> + */
>> +#define RPMSG_RELEASE_DEV_IOCTL _IOW(0xb5, 0x4, struct rpmsg_endpoint_info)
>> +
>> #endif
>> --
>> 2.17.1
>>
