Re: [PATCH v4] serial: 8250_dw: Preserve original value of DLF register

[Greg Kroah-Hartman]

On Fri, Jul 14, 2023 at 03:31:11PM +0300, Andy Shevchenko wrote:
> On Fri, Jul 14, 2023 at 03:07:42PM +0300, Ilpo Järvinen wrote:
> > On Thu, 13 Jul 2023, Ruihong Luo wrote:
> > 
> > > Preserve the original value of the Divisor Latch Fraction (DLF) register.
> > > When the DLF register is modified without preservation, it can disrupt
> > > the baudrate settings established by firmware or bootloader, leading to
> > > data corruption and the generation of unreadable or distorted characters.
> > > 
> > > Fixes: 701c5e73b296 ("serial: 8250_dw: add fractional divisor support")
> 
> > You forgot to add:
> > 
> > Cc: stable@xxxxxxxxxxxxxxx
> 
> It's there. Just not in the commit message. It's fine.

No it isn't, that's not how to have a patch added to the stable tree, as
my form letter says:

<formletter>

This is not the correct way to submit patches for inclusion in the
stable kernel tree.  Please read:
    https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html
for how to do this properly.

</formletter>

I'll go fix it up by hand...