Hi Jassi,

-----Original Message-----
From: Jassi Brar [mailto:jassisinghbrar at gmail.com]
Sent: Thursday, July 12, 2018 1:01 AM
To: A.s. Dong <aisheng.dong@nxp.com>
Cc: Sascha Hauer <s.hauer@pengutronix.de>; linux-arm-
kernel at lists.infradead.org; dongas86 at gmail.com; linux-
kernel at vger.kernel.org; Oleksij Rempel [off-list ref]; dl-
linux-imx [off-list ref]; kernel at pengutronix.de; Fabio Estevam
[off-list ref]; shawnguo at kernel.org
Subject: Re: [PATCH V4 3/5] mailbox: imx: add imx mu support

....

quoted

bcm seems is using peek to receive data, not only checking the data
availability, right?
drivers/mailbox/bcm-flexrm-mailbox.c

As I said, if fetching data from remote don't need to sleep, you can call
mbox_chan_received_data() from peek(). Otherwise not.

Got it. So it seems work for i.MX.
Thanks.

Regards
Dong Aisheng