Subject: [PATCH] serial: imx: protect Soft Reset of port with lock

From: [email-masked] (Greg KH)
Date: Mon, 13 Apr 2015 09:20:24 +0200

On Mon, Apr 13, 2015 at 03:52:01PM +0900, jiwang wrote:
> Hi Greg
> 
> On 03/27/2015 07:01 AM, Greg KH wrote:
> >On Fri, Mar 13, 2015 at 03:38:11PM +0900, Jiada Wang wrote:
> >>Previously Soft Reset (clear of SRST bit in UCR2 register)
> >>of UART in startup is not protected by lock, which may have race
> >>with console_write, as console_write may occur at anytime even
> >>when UART port is shutdown.
> >>
> >>To avoid this race, protect Soft reset of UART port with spin_lock.
> >>
> >>Signed-off-by: Jiada Wang <[email-masked]>
> >>---
> >>  drivers/tty/serial/imx.c | 12 ++++++------
> >>  1 file changed, 6 insertions(+), 6 deletions(-)
> >Doesn't apply to my tree :(
> Can you tell me which tree are you using?
> so that I can submit another patch based same tree.

Always either work off of linux-next, or my tty tree, and the tty-next
branch of it on git.kernel.org.

What tree were you working against, Linus's?  If so, please read
Documentation/development_process to get an understanding of how the
kernel development process works.

thanks,

greg k-h