From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH v3 REPOST 4/4] i2c: i2c-ibm-iic: Implements a polling mode Date: Fri, 3 Jan 2014 16:13:10 +0100 Message-ID: <20140103151310.GC7132@katana> References: <1387552376-12986-1-git-send-email-jjhiblot@traphandler.com> <1387552376-12986-5-git-send-email-jjhiblot@traphandler.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="XWOWbaMNXpFDWE00" Return-path: Content-Disposition: inline In-Reply-To: <1387552376-12986-5-git-send-email-jjhiblot-dLKeG7h1OhBDOHtkgc7UlQ@public.gmane.org> Sender: linux-i2c-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: jean-jacques hiblot Cc: linux-i2c-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org, jean-jacques hiblot List-Id: linux-i2c@vger.kernel.org --XWOWbaMNXpFDWE00 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Dec 20, 2013 at 04:12:56PM +0100, jean-jacques hiblot wrote: > From: jean-jacques hiblot >=20 > When no valid interrupt is defined for the controller, use polling to han= dle > the transfers. > The polling mode can also be forced with the "iic_force_poll" module para= meter. >=20 > Signed-off-by: jean-jacques hiblot Do I understand correctly: Polling was not available after patch 2 until pa= tch 4? Has the signal handling been tested extensively? Most drivers do not handle signals because it is usually cumbersome to cancel a transfer gracefully. That being said, it might work well for you here. --XWOWbaMNXpFDWE00 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) iQIcBAEBAgAGBQJSxtOGAAoJEBQN5MwUoCm2u9cP/3k4DwrNZV3awmjXU5eSvPSB gswi2Ucch2+fcXiY9rgizYJKFaNSE1enddnrehHfZ/QMbVgIBN5qB8dLrih6abgc JwueQchUMhaw2ULbYGQfIGEG3+LvJMdwuG1HlFrapzSbKXkhYQ1ob3qpga4FRhRL tyHTDzfqDblCfEBIezqCmUgSP1HcwdvR5kqOLqt/f+WUF2PvQ8usZPflfnXiAdu/ gK83Z40zQLMkxN1dgNcv0XZWCvn3Bb5TUQNOZd/Q5JxFnBa3UQgtZ4kGiLZ0pb6u qKOjORT6LINvb8aQaUSwa58PFgGHkI+V8iUL9jGxU+bTqKDyahix4jo9qwkrrifs C2TDEK3OZPpXnF3YN02pICmbgHfWoGN5eyZJGZ2gmcpiqYmFBDNTmaTTGGrjWVTV omltb7HMwEdXQxsh9V1brqQhRVZP184SL3bsyfEC1lFZA9m/Sz1yf0sj6IbboSa1 QYmcNhNxy0pLvE1qU4BS8E/YMmz+zfKuiNnRPLwHN+sOH4QfLn14DpDUGcRJuq3K cef2Wv7mtWB8IAiopRd8dPidCLuMbWfte7R/4hEWWcaX2FOUbzNNkKP0yCxv8rwi qKUcs0qwoYxHjzg7IFLisRMbEJZkrfNCFxlBr0Hpt8TFadqwuHTvSes676F9MO/+ Wb2Yvsh8e2Z8mHrxRd51 =nWFh -----END PGP SIGNATURE----- --XWOWbaMNXpFDWE00--