From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sauhun.de ([88.99.104.3]:34908 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726384AbeIUErZ (ORCPT ); Fri, 21 Sep 2018 00:47:25 -0400 Date: Fri, 21 Sep 2018 01:01:32 +0200 From: Wolfram Sang To: Wolfram Sang Cc: linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Stefan Lengfeld , preid@electromag.com.au, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Keerthy , Tero Kristo , Grygorii Strashko , Andy Shevchenko Subject: Re: [RFC PATCH 0/4] i2c: core: introduce master_xfer_irqless Message-ID: <20180920230132.GE988@kunai> References: <20180920161423.13990-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="r7U+bLA8boMOj+mD" Content-Disposition: inline In-Reply-To: <20180920161423.13990-1-wsa+renesas@sang-engineering.com> Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: --r7U+bLA8boMOj+mD Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 20, 2018 at 06:14:19PM +0200, Wolfram Sang wrote: > To keep the discussion about master_xfer_irqless going, I post here a > draft how I envision the changes to the I2C core. They are only build > tested. I am unsure if I can test them on hardware before next week, so > I'll send them around as RFC already, so people can get an idea and > comment. Maybe Stefan has some bandwidth to test his imx driver > implementation on top of this? >=20 > A branch can be found here: >=20 > git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/i2c/x= fer_irqless What I forgot to mention: At some point, I'd like an adiitional check if the device is flagged to have very late I2C transfers and trigger a fat warning if not. To keep bugs visible. I have ideas but not perfect yet, so I'll leave this as the next step. --r7U+bLA8boMOj+mD Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAlukJswACgkQFA3kzBSg KbavEg//T+Yhni+CTrACrQAlwJr3CjUmFPv2bZXZiDENevZg4QW6tpncb/hh9xT9 d3NBJsvlUzu9YalQb9E5qCXxTtIkIldoGey1eLQjmHIQ1z4n7QkpA216JEgXWVoW PUaCOuK1gsLZ5K1xI2o09Yyo1OaIYWL49vN8EuncC2r9HKCBtTfOQSrStPElHv+u yl/gDhaEZYGPwUyyAZzTf7/KnTj69KMfoygTQ0fdywssLx4jE+IgyGNj8NMdUlEJ 0JrlwbWWtdJQwJfz6YfJ8NBleYZ1zH+Le8/ZpZv0hTTRP8dNFTQMB1ALHqwFIijA JUNUErUUMt9dPaD7io5gl23FRgVjVmWJLn6kgHn9MvMMD2u+awNTXm4J1Sn3LWtl w6WigSpLHspuF/zfxvqP+kmcw2i1ytU6mU0RidrIQ2GiZleeFkcVqD0TIBJwchIW 0gSOrFyU80ySsa2thibbs0iPQ6L2q+O3FV5y1QCvSF0JidmZLN+HXoN5c3JzF/aU dX+Fmc21QAEn+l7solyHGbgTLjnanuWwmL4F3Kp1go9DKrG22k0gMCoz/8Ql5Pkv Ray3GTHOhk9+tVtXuPWYkJZiPbMzZcT1GCECMXOfOQ/qxg+5U28yES8E2o2UEIe+ jriMViOlStgoq9LDFhaVm7gmfOGwtMneEwKUtesKUnKux9jUmP0= =/aDE -----END PGP SIGNATURE----- --r7U+bLA8boMOj+mD--