From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH v7 1/4] i2c: i2c-qcom-geni: Add bus driver for the Qualcomm GENI I2C controller Date: Sun, 29 Jul 2018 12:32:08 +0200 Message-ID: <20180729103208.uyxp2feonvznmzsp@ninjato> References: <1528823348-30532-1-git-send-email-kramasub@codeaurora.org> <1528823348-30532-2-git-send-email-kramasub@codeaurora.org> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ns6ol5ohpitnty2i" Return-path: Content-Disposition: inline In-Reply-To: <1528823348-30532-2-git-send-email-kramasub@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org To: Karthikeyan Ramasubramanian Cc: andy.gross@linaro.org, david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, gregkh@linuxfoundation.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-i2c@vger.kernel.org, evgreen@chromium.org, acourbot@chromium.org, swboyd@chromium.org, dianders@chromium.org, Sagar Dharia , Girish Mahadevan List-Id: linux-arm-msm@vger.kernel.org --ns6ol5ohpitnty2i Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Jun 12, 2018 at 11:09:05AM -0600, Karthikeyan Ramasubramanian wrote: > This bus driver supports the GENI based i2c hardware controller in the > Qualcomm SOCs. The Qualcomm Generic Interface (GENI) is a programmable > module supporting a wide range of serial interfaces including I2C. The > driver supports FIFO mode and DMA mode of transfer and switches modes > dynamically depending on the size of the transfer. >=20 > Signed-off-by: Karthikeyan Ramasubramanian > Signed-off-by: Sagar Dharia > Signed-off-by: Girish Mahadevan > Reviewed-by: Douglas Anderson Looks good except one minor thing: > + pm_runtime_set_suspended(gi2c->se.dev); > + pm_runtime_set_autosuspend_delay(gi2c->se.dev, I2C_AUTO_SUSPEND_DELAY); > + pm_runtime_use_autosuspend(gi2c->se.dev); > + pm_runtime_enable(gi2c->se.dev); > + i2c_add_adapter(&gi2c->adap); > + > + return 0; i2c_add_adapter can fail. So, I'd guess you want to check the return value and move it above the pm_runtime calls? --ns6ol5ohpitnty2i Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAltdl6QACgkQFA3kzBSg KbbpRQ/7BY/oo/gRQ8eUBnz5fBJ3bMzwg6CwHH3zsZwEWyT7/MqP6O0ToSIMXiSL CsR9snfwAqHev+eJiLVgsFZ3OvLSK+Kizm+HpgAM21A7wy9/hXawPy7s34PkIqDA Ive1qOF0Dj+k/mtEwBFp3Pmw2kKVkCPg7KwBbtCnk8bvFKzCFbFvI7eBim+Ox75c 7riFRuDKzQJpX5m10l8p2ysC7xlnncIY/5gL1lfdjSIv0qU4vQrP8BRBtXKNy89U kyWqWVIZVW/O4jsXd3ww4YqDGe/3rjIykXv8xU0BBj6640rQW7D9ZOzowa2W7jbU UT9GMhrag1O9w7j9EiMjZ1+u1/yRw2vfzneJxf8s0eslz/5rJ+HV9qJdkn4JvSQ4 8eAfJ4+SUB/9S7ApDIkkhOauFO3n3nnO6wOqxtaUSjNBTpDfwSOidCc61cHhzx1k AwUyYTz/Ap6ASlBx9q411qubYiJRfXOs2fntBhw4pGxpMdLMfq9OAThISoYlygf+ mlMdg7KPssbuX7O3JOKiOiuk3uAPdsfQkb/x8pXkji+oUNj9iKpi/vLDMO1ahnex Stv69cq4TtP+JdJIdRaquVP3S3W8urjqKxnfX1apVQkrcQEv7DdiL1BY66BX0VPI 4IMZbKOgy4MYCgFfA+tCSSkvwHpbjLKMtiaAEtUqq6m1z0Fo/qk= =H+It -----END PGP SIGNATURE----- --ns6ol5ohpitnty2i--