Re: [RFC, PATCH] imx: serial: Take tty->files_lock opportunistically

[Greg Kroah-Hartman]

On Sun, Jun 11, 2017 at 09:33:13PM -0300, Fabio Estevam wrote:
> Hi Greg,
> 
> On Sat, Jun 3, 2017 at 6:30 AM, Greg Kroah-Hartman
> <gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> > On Tue, May 30, 2017 at 03:44:27PM +0200, Peter Senna Tschudin wrote:
> >> On Tue, May 30, 2017 at 02:42:13PM +0100, Alan Cox wrote:
> >>
> >> I sent a second patch recently:
> >>
> >> https://patchwork.kernel.org/patch/9725625/
> >
> > And it's already in linux-next so all should be good here.
> 
> linux-next is good, but mainline is not.
> 
> Actually we need 4dec2f119e86f9c9 ("imx-serial: RX DMA startup
> latency") to be applied to 4.12-rc as well.

Why?  Can't it wait until 4.13-rc1?

thanks,

greg k-h