Subject: Re: [PATCH] arm64: dts: fsl: DPAA FMan DMA operations are coherent

From: Shawn Guo <[email-masked]>
Date: Mon, 16 Nov 2020 15:06:53 +0800

On Wed, Nov 11, 2020 at 03:33:19PM +0000, Madalin Bucur wrote:
> > -----Original Message-----
> > From: linux-arm-kernel <[email-masked]> On
> > Behalf Of Shawn Guo
> > To: Madalin Bucur (OSS) <[email-masked]>
> > Subject: Re: [PATCH] arm64: dts: fsl: DPAA FMan DMA operations are
> > coherent
> > 
> > On Mon, Oct 05, 2020 at 03:46:39PM +0300, Madalin Bucur wrote:
> > > Although the DPAA 1 FMan operations are coherent, the device tree
> > > node for the FMan does not indicate that, resulting in a needless
> > > loss of performance. Adding the missing dma-coherent property.
> > >
> > > Fixes: 1ffbecdd8321 ("arm64: dts: add DPAA FMan nodes")
> > >
> > > Signed-off-by: Madalin Bucur <[email-masked]>
> > > Tested-by: Camelia Groza <[email-masked]>
> > 
> > Applied, thanks.
> 
> Hi, Shawn,
> 
> will this fix for the device trees be picked up in the stable trees as well?
> Do I need to do something about it?

When it's landed in Linus' tree, stable kernel will pick it up due to
the Fixes: tag there.  So you do not need to do anything about it.

> 
> Thanks
> Madalin
> 
> PS: will this make it into v5.10 or v5.11?

I'm sending it to arm-soc folks as a material for v5.10-rc.  So if
everything goes well, it will get into v5.10.

Shawn