From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [RFC PATCH 0/4] i2c: core: introduce master_xfer_irqless Date: Fri, 21 Sep 2018 01:01:32 +0200 Message-ID: <20180920230132.GE988@kunai> References: <20180920161423.13990-1-wsa+renesas@sang-engineering.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============5854456606311725290==" Return-path: In-Reply-To: <20180920161423.13990-1-wsa+renesas@sang-engineering.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Wolfram Sang Cc: Tero Kristo , preid@electromag.com.au, Keerthy , Andy Shevchenko , linux-renesas-soc@vger.kernel.org, Grygorii Strashko , linux-i2c@vger.kernel.org, Stefan Lengfeld , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: linux-i2c@vger.kernel.org --===============5854456606311725290== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="r7U+bLA8boMOj+mD" Content-Disposition: inline --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-- --===============5854456606311725290== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============5854456606311725290==--