[PATCH 1/6] mailbox: Add new API mbox_channel_device() for clients

[Anup Patel]

On Fri, Feb 3, 2017 at 5:35 PM, Jassi Brar <jassisinghbrar at gmail.com> wrote:
> On Thu, Feb 2, 2017 at 10:17 AM, Anup Patel <anup.patel at broadcom.com> wrote:
>> The remote processor can have DMAENGINE capabilities and client
>> can pass data to be processed via main memory. In such cases,
>> the client will require DMAble memory for remote processor.
>>
>> This patch adds new API mbox_channel_device() which can be
>> used by clients to get struct device pointer of underlying
>> mailbox controller. This struct device pointer of mailbox
>> controller can be used by clients to allocate DMAble memory
>> for remote processor.
>>
> IIUC, DT already provides a way for what you need.

Thanks for the suggestion. I will explore in this direction and
try to avoid this patch in next revision.

Can you please have a look at FlexRM driver which I
had submitted previously?
https://lkml.org/lkml/2017/1/5/291
https://lkml.org/lkml/2017/1/5/293

Regards,
Anup