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Message-ID: <1345617278.7491.4.camel@gitbox>
Date: Wed, 22 Aug 2012 18:34:38 +1200
From: Tony Prisk <linux@...sktech.co.nz>
To: Alan Cox <alan@...rguk.ukuu.org.uk>
Cc: Alessandro Zummo <a.zummo@...ertech.it>,
linux-fbdev@...r.kernel.org, Russell King <linux@....linux.org.uk>,
Linus Walleij <linus.walleij@...ricsson.com>,
Arnd Bergmann <arnd@...db.de>,
Florian Tobias Schandinat <FlorianSchandinat@....de>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devicetree-discuss@...ts.ozlabs.org, linux-usb@...r.kernel.org,
vt8500-wm8505-linux-kernel@...glegroup.com,
linux-kernel@...r.kernel.org,
Rob Herring <rob.herring@...xeda.com>,
Grant Likely <grant.likely@...retlab.ca>,
Rob Landley <rob@...dley.net>, linux-serial@...r.kernel.org,
rtc-linux@...glegroups.com, Stephen Warren <swarren@...dia.com>,
Mike Turquette <mturquette@...com>,
linux-arm-kernel@...ts.infradead.org,
Alan Cox <alan@...ux.intel.com>
Subject: Re: [PATCHv3 3/9] serial: vt8500: Add devicetree support for
On Tue, 2012-08-21 at 23:12 +0100, Alan Cox wrote:
> On Wed, 22 Aug 2012 08:47:32 +1200
> Tony Prisk <linux@...sktech.co.nz> wrote:
>
> > Signed-off-by: Tony Prisk <linux@...sktech.co.nz>
> > ---
> > drivers/tty/serial/vt8500_serial.c | 37 ++++++++++++++++++++++++++++++++----
> > 1 file changed, 33 insertions(+), 4 deletions(-)
>
> Can we have a comment attached to a change this size. In particular one
> describing why it gone from 4 to 6 ports, and why the port id twiddling.
>
> Is there a reason you can't use the device tree port id ?
>
> What are the regression risks for existing users expecting the pdev->id
> binding ?
>
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
Sorry Alan,
The original patch was very simple, but I revisited it to fix other
issues and forgot to add the relevant comments.
Port size is changed to fix a problem - WM8505 actually had 6 uart's
defined in platform data but the vt8500_ports variable was only 4.
I have added devicetree port id support as well.
No regression risks as the entire platform is being converted to
devicetree and existing code dropped in this patchset.
Patchv4 3/9 to follow.
Regards
Tony Prisk
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