linux-kernel - Re: [PATCH 1/4] serial: pmac_zilog: remove unfinished DBDMA support

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Date:   Thu, 19 May 2022 18:23:28 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     Jiri Slaby <jirislaby@...nel.org>
Cc:     Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        linux-serial <linux-serial@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
Subject: Re: [PATCH 1/4] serial: pmac_zilog: remove unfinished DBDMA support

On Thu, May 19, 2022 at 11:02:23AM +0200, Jiri Slaby wrote:
> On 19. 05. 22, 10:56, Ilpo Järvinen wrote:
> > On Thu, 19 May 2022, Jiri Slaby wrote:
> > 
> > > The support for DBDMA was never completed. Remove the the code that only
> > > maps spaces without real work.
> > > 
> > > Cc: Michael Ellerman <mpe@...erman.id.au>
> > > Cc: Benjamin Herrenschmidt <benh@...nel.crashing.org>
> > > Cc: Paul Mackerras <paulus@...ba.org>
> > > Signed-off-by: Jiri Slaby <jslaby@...e.cz>
> > > ---
> > >   drivers/tty/serial/pmac_zilog.c | 38 +--------------------------------
> > >   drivers/tty/serial/pmac_zilog.h |  9 --------
> > >   2 files changed, 1 insertion(+), 46 deletions(-)
> > > 
> > > diff --git a/drivers/tty/serial/pmac_zilog.c b/drivers/tty/serial/pmac_zilog.c
> > > index c903085acb8d..2953ff64a892 100644
> > > --- a/drivers/tty/serial/pmac_zilog.c
> > > +++ b/drivers/tty/serial/pmac_zilog.c
> > 
> > How about dropping this too:
> > #include <asm/dbdma.h>
> 
> Good point, fixed, will send v2 eventually.

Add-on patch is fine, thanks!

greg k-h