From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Mon, 25 Nov 2013 10:40:44 +0100 From: Maxime Ripard To: Jonathan Cameron Cc: Denis CIOCCA , Shawn Guo , "linux-iio@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , Alexandre Belloni , Brian Lilly , Brent-Crosby , Jim Wall Subject: Re: [RFC PATCH 0/3] DT support for ST micro accelerometers and gyroscopes Message-ID: <20131125094044.GE3176@lukather> References: <1384876234-1211-1-git-send-email-maxime.ripard@free-electrons.com> <528DF164.8060009@st.com> <20131121131402.GF1029@lukather> <52926901.9080004@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="PPYy/fEw/8QCHSq3" In-Reply-To: <52926901.9080004@kernel.org> List-ID: --PPYy/fEw/8QCHSq3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Jonathan, On Sun, Nov 24, 2013 at 09:00:49PM +0000, Jonathan Cameron wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 >=20 > On 11/21/13 13:14, Maxime Ripard wrote: > > Hi Denis, > >=20 > > On Thu, Nov 21, 2013 at 12:41:24PM +0100, Denis CIOCCA wrote: > > > only one point: it's possible to use the same names with DT? > > > (using _ instead of -) > >=20 > > Yes, it is, but only for i2c as far as I'm aware, and usually the > > DT compatibles are with - as a separator (I looked into the ePAPR, > > but couldn't get any explanations or requirements on this, even > > though it's used in all of their examples) >=20 > In other discussions, where the defacto i2c device tree bindings have > been followed, the conclusion has been that to change to a - from _ > would result in userspace ABI changes, so whilst no one wants _ > the discussion has concluded we can't really avoid it. What kind of userspace ABI changes are we talking about? Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --PPYy/fEw/8QCHSq3 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQIcBAEBAgAGBQJSkxscAAoJEBx+YmzsjxAgWiMP/jBdur8xLhAaVG6Niy2roX51 jVau/Fg9mE7aL+N0ICOlATZ80mUhEuldvIvtBa/3IpHbXUyEwyWvhQVUfKzVqn+5 65hU4lezpKb0TOS0I31If2oBO3cvgGX/A0l17FQTtCDyJnYci3SUlsQKiCYA2CqT +K9KXHyGQ0ngNQaTTEO+KuGHyV3MvNdEeZFX9/LAq5g33frFXKK98CsEL4SsPFEK 1c1VBA27g6/nqVL966FZqTUO9NKOE3AShay2Ohun2RSbT0uI77bCk5Lcm8h+O8Cl BxBSdiXgWkE1qQOKKitOV53Js9K550XZS/uOI5e7nZD0Vu9BceCg48NZ1biey37K mxxoalvS4i1Utc68p99P3sHrLZHMYsDT9Fh8t7T7SCK2B0f64zG4w2eRQFgPCubB YWVev5SEbnkP9icBNbL4SWrUKTY3iOIgaNjMRlI+clHteiw9vPMECyaJ8YK3tnE+ 2OnvX8mWMdXnuaMnKg0V00+Hixb0WBP8uHr4A/Iwx1OHFXFD4IrnQz+tyZrYhlKb Kktlx6g8bXGoAIHAK9RDQjz5vrYSTaNaJNdfKKrJf/b8uSLb3A3zEEAhXfzSfMcF TalF29MDWe5xnYspdn/7dCNoMqgZ3Nuyn6oqDDGcNmhIgMPgBDivFkyy8Cw9hoiF 4/Y1RaSjXmJASVFeVct4 =ffyF -----END PGP SIGNATURE----- --PPYy/fEw/8QCHSq3-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Mon, 25 Nov 2013 10:40:44 +0100 Subject: [RFC PATCH 0/3] DT support for ST micro accelerometers and gyroscopes In-Reply-To: <52926901.9080004@kernel.org> References: <1384876234-1211-1-git-send-email-maxime.ripard@free-electrons.com> <528DF164.8060009@st.com> <20131121131402.GF1029@lukather> <52926901.9080004@kernel.org> Message-ID: <20131125094044.GE3176@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Jonathan, On Sun, Nov 24, 2013 at 09:00:49PM +0000, Jonathan Cameron wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 11/21/13 13:14, Maxime Ripard wrote: > > Hi Denis, > > > > On Thu, Nov 21, 2013 at 12:41:24PM +0100, Denis CIOCCA wrote: > > > only one point: it's possible to use the same names with DT? > > > (using _ instead of -) > > > > Yes, it is, but only for i2c as far as I'm aware, and usually the > > DT compatibles are with - as a separator (I looked into the ePAPR, > > but couldn't get any explanations or requirements on this, even > > though it's used in all of their examples) > > In other discussions, where the defacto i2c device tree bindings have > been followed, the conclusion has been that to change to a - from _ > would result in userspace ABI changes, so whilst no one wants _ > the discussion has concluded we can't really avoid it. What kind of userspace ABI changes are we talking about? Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: