Re: [PATCH v2] serial: 8250: Preserve original value of DLF register

From: Greg KH
Date: Wed Aug 09 2023 - 07:47:16 EST


On Wed, Aug 09, 2023 at 02:30:58PM +0800, 240401736@xxxxxx wrote:
> On Thu, 29 Jun 2023 20:35:30 +0800, ruihongluo wrote:
> > This commit is aimed at preserving the original value of the
> > DLF(Divisor Latch Fraction 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")
> > Signed-off-by: Ruihong Luo <luoruihong@xxxxxxxxxx>
>
> Will this patch be merged into the 5.15 branch? We also need this patch on
> the 5.15 branch.

What is the git commit id of it in Linus's tree?

thanks,

greg k-h