lkml.org 
[lkml]   [2016]   [Dec]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH 1/2] mailbox: mailbox-test: add support for fasync/poll
From
Date


On 29/11/16 14:37, Sudeep Holla wrote:
> Currently the read operation on the message debug file returns error if
> there's no data ready to be read. It expects the userspace to retry if
> it fails. Since the mailbox response could be asynchronous, it would be
> good to add support to block the read until the data is available.
>
> We can also implement poll file operations so that the userspace can
> wait to become ready to perform any I/O.
>
> This patch implements the poll and fasync file operation callback for
> the test mailbox device.
>
> Cc: Lee Jones <lee.jones@linaro.org>
> Cc: Jassi Brar <jaswinder.singh@linaro.org>
> Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>

Gentle Ping!

--
Regards,
Sudeep

\
 
 \ /
  Last update: 2016-12-08 19:57    [W:0.044 / U:0.204 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site