From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,USER_AGENT_NEOMUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C28D4C48BE4 for ; Thu, 27 Jun 2019 18:28:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9B203205F4 for ; Thu, 27 Jun 2019 18:28:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561660103; bh=taqyQ1APEgX+EVCAzATmMcA2vqF2xWfz1x10hWSRsgI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=IKj0SJE76tULPoa6QVLO8zprxZnalJQzT1JE2V65rXMpGD7thWYKdasq9EzTh4uPG qoOEQzYyrbTV/3ylH6gAN9yiUpXgPFqUcbnETY96Z9Dd6x05yI6FQ2QqM4IOFpKPTQ WsSfJSR/27RkpIa2RGs4PRFiFfatzylIY1XX8Y3A= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726819AbfF0S2W (ORCPT ); Thu, 27 Jun 2019 14:28:22 -0400 Received: from mail.kernel.org ([198.145.29.99]:56674 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726384AbfF0S2V (ORCPT ); Thu, 27 Jun 2019 14:28:21 -0400 Received: from earth.universe (unknown [185.62.205.103]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9D92F205F4; Thu, 27 Jun 2019 18:28:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561660100; bh=taqyQ1APEgX+EVCAzATmMcA2vqF2xWfz1x10hWSRsgI=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=hR15WHn5VGnYjJBJF3P3KfFz2mIU6gWMdyBW1J9JfNrAe3Wkox4nvnMreFyFc8Oga gHHKlRxzScRITQpZl1lYB4jheGTy3CTkrWujVUNozMy3/DQtRu1+16z5GQ7OQZL9gE dfQ26EIv4VN+fxjVF3qFiQDlpLL05BiHlURmYc7g= Received: by earth.universe (Postfix, from userid 1000) id 66ADF3C08D5; Thu, 27 Jun 2019 20:28:17 +0200 (CEST) Date: Thu, 27 Jun 2019 20:28:17 +0200 From: Sebastian Reichel To: Wolfram Sang Cc: linux-i2c@vger.kernel.org, linux-renesas-soc@vger.kernel.org, devel@driverdev.osuosl.org, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-leds@vger.kernel.org, linux-media@vger.kernel.org, linux-mtd@lists.infradead.org, linux-pm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-usb@vger.kernel.org Subject: Re: [PATCH 00/34] treewide: simplify getting the adapter of an I2C client Message-ID: <20190627182817.5vrfmuzn7kanvtwu@earth.universe> References: <20190608105619.593-1-wsa+renesas@sang-engineering.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="dtrjmbi6re7vojrt" Content-Disposition: inline In-Reply-To: <20190608105619.593-1-wsa+renesas@sang-engineering.com> User-Agent: NeoMutt/20180716 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --dtrjmbi6re7vojrt Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Sat, Jun 08, 2019 at 12:55:39PM +0200, Wolfram Sang wrote: > While preparing a refactoring series, I noticed that some drivers use a > complicated way of determining the adapter of a client. The easy way is > to use the intended pointer: client->adapter >=20 > These drivers do: > to_i2c_adapter(client->dev.parent); >=20 > The I2C core populates the parent pointer as: > client->dev.parent =3D &client->adapter->dev; >=20 > Now take into consideration that > to_i2c_adapter(&adapter->dev); >=20 > is a complicated way of saying 'adapter', then we can even formally > prove that the complicated expression can be simplified by using > client->adapter. >=20 > The conversion was done using a coccinelle script with some manual > indentation fixes applied on top. >=20 > To avoid a brown paper bag mistake, I double checked this on a Renesas > Salvator-XS board (R-Car M3N) and verified both expression result in the > same pointer. Other than that, the series is only build tested. >=20 > A branch can be found here: >=20 > git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/no_to_ada= pter >=20 > Please apply the patches to the individual subsystem trees. There are no > dependencies. >=20 > Thanks and kind regards, >=20 > Wolfram Thanks, I queued the patches prefixed with "power: supply: [...]". -- Sebastian > Wolfram Sang (34): > clk: clk-cdce706: simplify getting the adapter of a client > gpu: drm: bridge: sii9234: simplify getting the adapter of a client > iio: light: bh1780: simplify getting the adapter of a client > leds: leds-pca955x: simplify getting the adapter of a client > leds: leds-tca6507: simplify getting the adapter of a client > media: i2c: ak881x: simplify getting the adapter of a client > media: i2c: mt9m001: simplify getting the adapter of a client > media: i2c: mt9m111: simplify getting the adapter of a client > media: i2c: mt9p031: simplify getting the adapter of a client > media: i2c: ov2640: simplify getting the adapter of a client > media: i2c: tw9910: simplify getting the adapter of a client > misc: fsa9480: simplify getting the adapter of a client > misc: isl29003: simplify getting the adapter of a client > misc: tsl2550: simplify getting the adapter of a client > mtd: maps: pismo: simplify getting the adapter of a client > power: supply: bq24190_charger: simplify getting the adapter of a client > power: supply: bq24257_charger: simplify getting the adapter of a client > power: supply: bq25890_charger: simplify getting the adapter of a client > power: supply: max14656_charger_detector: simplify getting the adapter > of a client > power: supply: max17040_battery: simplify getting the adapter of a clie= nt > power: supply: max17042_battery: simplify getting the adapter of a clie= nt > power: supply: rt5033_battery: simplify getting the adapter of a client > power: supply: rt9455_charger: simplify getting the adapter of a client > power: supply: sbs-manager: simplify getting the adapter of a client > regulator: max8952: simplify getting the adapter of a client > rtc: fm3130: simplify getting the adapter of a client > rtc: m41t80: simplify getting the adapter of a client > rtc: rv8803: simplify getting the adapter of a client > rtc: rx8010: simplify getting the adapter of a client > rtc: rx8025: simplify getting the adapter of a client > staging: media: soc_camera: imx074: simplify getting the adapter of a c= lient > staging: media: soc_camera: mt9t031: simplify getting the adapter of a = client > staging: media: soc_camera: soc_mt9v022: simplify getting the adapter > of a client > usb: typec: tcpm: fusb302: simplify getting the adapter of a client >=20 > drivers/clk/clk-cdce706.c | 2 +- > drivers/gpu/drm/bridge/sii9234.c | 4 ++-- > drivers/iio/light/bh1780.c | 2 +- > drivers/leds/leds-pca955x.c | 2 +- > drivers/leds/leds-tca6507.c | 2 +- > drivers/media/i2c/ak881x.c | 2 +- > drivers/media/i2c/mt9m001.c | 2 +- > drivers/media/i2c/mt9m111.c | 2 +- > drivers/media/i2c/mt9p031.c | 2 +- > drivers/media/i2c/ov2640.c | 2 +- > drivers/media/i2c/tw9910.c | 3 +-- > drivers/misc/fsa9480.c | 2 +- > drivers/misc/isl29003.c | 2 +- > drivers/misc/tsl2550.c | 2 +- > drivers/mtd/maps/pismo.c | 2 +- > drivers/power/supply/bq24190_charger.c | 2 +- > drivers/power/supply/bq24257_charger.c | 2 +- > drivers/power/supply/bq25890_charger.c | 2 +- > drivers/power/supply/max14656_charger_detector.c | 2 +- > drivers/power/supply/max17040_battery.c | 2 +- > drivers/power/supply/max17042_battery.c | 2 +- > drivers/power/supply/rt5033_battery.c | 2 +- > drivers/power/supply/rt9455_charger.c | 2 +- > drivers/power/supply/sbs-manager.c | 2 +- > drivers/regulator/max8952.c | 2 +- > drivers/rtc/rtc-fm3130.c | 8 +++----- > drivers/rtc/rtc-m41t80.c | 2 +- > drivers/rtc/rtc-rv8803.c | 2 +- > drivers/rtc/rtc-rx8010.c | 2 +- > drivers/rtc/rtc-rx8025.c | 2 +- > drivers/staging/media/soc_camera/imx074.c | 2 +- > drivers/staging/media/soc_camera/mt9t031.c | 2 +- > drivers/staging/media/soc_camera/soc_mt9v022.c | 2 +- > drivers/usb/typec/tcpm/fusb302.c | 3 +-- > 34 files changed, 37 insertions(+), 41 deletions(-) >=20 > --=20 > 2.19.1 >=20 --dtrjmbi6re7vojrt Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEE72YNB0Y/i3JqeVQT2O7X88g7+poFAl0VCsEACgkQ2O7X88g7 +poEpxAAm77/GZ4czva5lDqclyAk1YfbiV55qi+jow32xQwZ17FXo8Ch9G11Qrwl famQPiB/pD3r3m2TfihhFAcFjOGiwl9GxQJ+4at64Atab2w5BWh9zwDQWdtT80jF 3ytFncogbL36MVBgIv5YQUZQiqIiZlUei6lTOnnyfv3PLtvNVbIodxSVYp5qJWMy M+qrdy6tAVsuK6yqAwPRhfjBzlmlLZVudUZqbAWKMbK1YBt0rkkSNw9xpF1pLrv6 zLbGdmBngoivDyNJldn+5bhMiwsDyxf/8E7eblcAMkO/D1oPrb51zV92FFX7qyzT eI5KRHwY88XkUuIK25aDnO1bR3eDn3RDcxtW8MMMeRihWX3gNSL+hKZ24XGxOgz5 L3tL9nm6X6sHg867+V5voAxNACnbgFT/Mrzhal4HGbN8adctDoaSEuiMPAQlAkEG PbW3c2B0n+Bav3XksRT4h19t7drSk4a3aR04I/GHc3l9jDQicnDr4DwiVaPpd1UF gpPhBXgO4NSZr5yUEzoVOSOsW6WS2k5SFV+sQjU1C5R+oXBH59J9oIMlOOaNKo0w rTXxOtxQ38vqyMiQZBLwoTh1remxiOBp+5lwmYWGWYpBDVcr9HB+kzNJPFxDVk5A YgiEzXje0LsgjUBgpmiq5YPAmsNIntDezydWTc20Otk1+Vgotgo= =CJhg -----END PGP SIGNATURE----- --dtrjmbi6re7vojrt--