From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH 1/2] clocksource: sunxi: Add new compatibles Date: Tue, 4 Feb 2014 09:41:17 +0100 Message-ID: <20140204084117.GG25625@lukather> References: <1391348280-9484-1-git-send-email-maxime.ripard@free-electrons.com> <52EFC573.2050302@linaro.org> <20140203194505.GF25625@lukather> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ulDeV4rPMk/y39in" Return-path: Content-Disposition: inline In-Reply-To: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Rob Herring Cc: Daniel Lezcano , Thomas Gleixner , "linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" List-Id: devicetree@vger.kernel.org --ulDeV4rPMk/y39in Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Rob, On Mon, Feb 03, 2014 at 02:11:28PM -0600, Rob Herring wrote: > On Mon, Feb 3, 2014 at 1:45 PM, Maxime Ripard > wrote: > > Hi Daniel, > > > > (Adding DT mailing-list in CC) > > > > On Mon, Feb 03, 2014 at 05:36:03PM +0100, Daniel Lezcano wrote: > >> On 02/02/2014 02:37 PM, Maxime Ripard wrote: > >> >The Allwinner A10 compatibles were following a slightly different com= patible > >> >patterns than the rest of the SoCs for historical reasons. Add compat= ibles > >> >matching the other pattern to the timer driver for consistency, and k= eep the > >> >older one for backward compatibility. > >> > >> Hi Maxime, > >> > >> is it really needed to keep the old pattern ? > > > > We agreed during the ARM Kernel Summit to consider the DT as a stable > > ABI. > > > > While I'd be ok with removing the older ones, that also means that we > > would break the boot of newer kernels with older DT, so yes, we > > actually need to keep the old compatibles. >=20 > It all depends if that would really cause problems for a given > platform. So if Allwinner DT support is a moving target, then changing > is probably okay. For example, if anyone using the platform is going > to need to update their DTB to add more nodes to get various features > anyway, then breaking it is not all that important. We keep adding new stuff to the DT, yes, so I guess we can be considered a moving target. Thanks for your input! Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --ulDeV4rPMk/y39in Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQIcBAEBAgAGBQJS8KesAAoJEBx+YmzsjxAgjh0P/j78tYmvA41FFxtbIGKxwjbE NH5hSewvZAbt3c0rUqHABvGgQEG+1DwflsRr+eT48UcSHd/t8wmf4f2uFumJpnuQ VrK155mDSCbiIZhbRQwoLLrF5g2gVWLyna83BsxKghY/O3/HJhn0l2N7XXODYKmG HsKR3vHdZhewAA1xfrIOqfdQZ6OCc7lC6k8S/CWlPSlfE/zF3YG6Q9Q6MTEUzL4z vYG/vvaxO7FPzj7m1gCqQVjJRiXAyqLQRATeCoKmoVnOaXeVH2qrTNlCzVjhhcQY S8Fssdvs9OxFkMTK80l9xgNS7ykp4waJgho+Ycjq7/44CHKzeV+egsdsUAG0TU5z 1g+U8aWr6wOoDbzhm84NMGf+YvpZrbs0QgGlXa+dm8gFjlGzQRDT6JynpleB1dp2 rWtdTWG5VZ1z/+YEz46KKC8FKpskTCYCGI7NVrmLCVFdI/pZMWWePG4nvzoOP6HA FDzuoU0bljiqAnENwEBxMvufICDY9BH4cmUB341m1g2tzOJk3tj0EED2CHNhYE7S J/bwaO8ZhFpKP1XCobz+DpRw2tSlSzJdIhuu8vmxB+2I7NmgjEcZP54GoXoneIjt waNi66lZGpYQbuYhZonelOlTmEwPje2YZM8sGUIDOMJN3C4YwCmWcyQz7MsSZEq7 Myt97wyM9W643sqH5ZE2 =4DWE -----END PGP SIGNATURE----- --ulDeV4rPMk/y39in-- -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html