linux-kernel - Re: [PATCH v4 01/16] bcm-vk: add bcm

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Message-ID: <2bba4292-fec4-c9e7-65e6-59133a815bb4@broadcom.com>
Date:   Tue, 29 Sep 2020 10:38:09 -0700
From:   Scott Branden <scott.branden@...adcom.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Arnd Bergmann <arnd@...db.de>, Kees Cook <keescook@...omium.org>,
        linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH v4 01/16] bcm-vk: add bcm_vk UAPI



On 2020-09-29 10:08 a.m., Greg Kroah-Hartman wrote:
> On Tue, Sep 29, 2020 at 09:44:51AM -0700, Scott Branden wrote:
>>
>> On 2020-09-29 3:25 a.m., Greg Kroah-Hartman wrote:
>>> On Mon, Sep 28, 2020 at 05:11:54PM -0700, Scott Branden wrote:
>>>> Add user space api for bcm-vk driver.
>>>>
>>>> Provide ioctl api to load images and issue reset command to card.
>>>> FW status registers in PCI BAR space also defined as part
>>>> of API so that user space is able to interpret these memory locations
>>>> as needed via direct PCIe access.
>>>>
>>>> Signed-off-by: Scott Branden <scott.branden@...adcom.com>
>>>> ---
>>>>  include/uapi/linux/misc/bcm_vk.h | 84 ++++++++++++++++++++++++++++++++
>>>>  1 file changed, 84 insertions(+)
>>>>  create mode 100644 include/uapi/linux/misc/bcm_vk.h
>>>>
>>>> diff --git a/include/uapi/linux/misc/bcm_vk.h b/include/uapi/linux/misc/bcm_vk.h
>>>> new file mode 100644
>>>> index 000000000000..5f1fc403bc67
>>>> --- /dev/null
>>>> +++ b/include/uapi/linux/misc/bcm_vk.h
>>>> @@ -0,0 +1,84 @@
>>>> +/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) */
>>> Why do you need BSD-2 if you already have the syscall-note license?
>> We include the header file outside of linux user space and use the defines in BSD and other code.
>> Hence releasing the header as BSD-2 as well.
> Are you _sure_ you need that extra license?  I ask as this is not the
> "norm" for Linux api .h files.
Will remove BSD-2 Clause for now.
> Also note, given that you are the copyright holder, you can provide a
> version in any other license in any other project, no need to put it
> here.
>
> I recommend going and talking to your license lawyers about this.
>
> thanks,
>
> greg k-h


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