From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCHv2 2/3] i2c: Use stable dev_name for ACPI enumerated I2C slaves Date: Sat, 2 Nov 2013 01:15:33 +0100 Message-ID: <20131102001533.GB2633@katana> References: <1382703540-3769-1-git-send-email-jarkko.nikula@linux.intel.com> <1383309356-25430-1-git-send-email-jarkko.nikula@linux.intel.com> <1383309356-25430-3-git-send-email-jarkko.nikula@linux.intel.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="0eh6TmSyL6TZE2Uz" Return-path: Content-Disposition: inline In-Reply-To: <1383309356-25430-3-git-send-email-jarkko.nikula-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jarkko Nikula Cc: "Rafael J. Wysocki" , Mark Brown , linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org, linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-acpi@vger.kernel.org --0eh6TmSyL6TZE2Uz Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 01, 2013 at 02:35:55PM +0200, Jarkko Nikula wrote: > Current I2C adapter id - client address "x-00yy" based device naming sche= me > is not always stable enough to be used in name based matching, for instan= ce > within ALSA SoC subsystem. >=20 > This is problematic in PC kind of platforms where I2C adapter numbers can > change due variable amount of bus controllers, probe order, add-on cards = or > just because of BIOS settings. >=20 > This patch addresses the problem by using the ACPI device name with > "i2c-" prefix for ACPI enumerated I2C slaves. For them device name > "x-00yz" becomes "i2c-INTABCD:ij" after this patch. >=20 > Signed-off-by: Jarkko Nikula Acked-by: Wolfram Sang --0eh6TmSyL6TZE2Uz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.14 (GNU/Linux) iQIcBAEBAgAGBQJSdEQlAAoJEBQN5MwUoCm29boP/iSQ7kOx/lPxOUtB6owqtJB9 5Rb4lNSRvZpY1fCMGmhOgPqja6+zL7W/AKWdn0oERXZwbiG88cVoE6Gwu1FKQjWm XJqczleIOE4j4HGE88VdDViZn2M5zdlliMR2csSyR7S84TsO8K3XrfJHsesigKAs NkzrznipksfjpaEp0htggJMqqD5Z2Lb/eAPUglFtZBRVCkMHgUAmTwfb9XIUfFzE vH3pNWx5ghJL//gDlW9qsglyiX3d7cDhUSaNe0mPh71N3BJ7HIOt40qZFjoSg7X2 Btc9C1lZicR1YyRp42xCPp1YGAsqrOFW6qipqhup05nfkvqVK5aQYpSd8OHoo3e7 gx1M8gyRy8DlfDhRWXa6MYDtP0I/T3HjA9Rm38vR7rKcPlcmmDXzZ8ofIOl6ODVM RrZPwfVHJYQMy2hRkfiNuDo2BY5WvoCFl0eEE19wDQocjcAk2VnvMiXZGzt92kzs pXrJruzBf5W5LQzF3aPvnnbEzNZRiAxD+K3zSvZLmKde4TZKw71slIjLOrjB0G91 fAhYtdCZrLZ60fFcqVRqSqzOEK74EWqTJX+u4oj+Ifbgf4FBSjL+nEXhYscP8uRo qHwCyS6uVO0TBZWvbeBbTeEE/TFWRdtU4aPFIzCtu9ofy8jM7Hgg1FgszDgqA2Nf 4E4uZjBYwL8n5MhB7ixT =7Vkr -----END PGP SIGNATURE----- --0eh6TmSyL6TZE2Uz-- -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html