lkml.org 
[lkml]   [2018]   [Feb]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: [PATCH 3/3] mailbox: sunxi-msgbox: Add a new mailbox driver
On Wed, Feb 28, 2018 at 7:57 AM, Samuel Holland <samuel@sholland.org> wrote:
....

> +/*
> + * The message box hardware provides 8 unidirectional channels. As the mailbox
> + * framework expects them to be bidirectional
>
That is incorrect. Mailbox framework does not require a channel to be
TX and RX capable.

You should expose each channel as per its physical capability, let the
client configure it for direction (if its bidirectional) and acquire
separate channels for RX and TX if it needs to.

Cheers!

\
 
 \ /
  Last update: 2018-02-28 10:16    [W:0.127 / U:0.108 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site