Messages in this thread | | | Subject | Re: [PATCH 1/2] mailbox: mailbox-test: add support for fasync/poll | From | Sudeep Holla <> | Date | Thu, 8 Dec 2016 18:56:50 +0000 |
| |
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
| |