From patchwork Mon Dec 10 21:02:58 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfram Sang X-Patchwork-Id: 10722511 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3FEAB18A7 for ; Mon, 10 Dec 2018 21:04:42 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 315442A7D0 for ; Mon, 10 Dec 2018 21:04:42 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 252892A84E; Mon, 10 Dec 2018 21:04:42 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C49752A7D0 for ; Mon, 10 Dec 2018 21:04:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729553AbeLJVDQ (ORCPT ); Mon, 10 Dec 2018 16:03:16 -0500 Received: from sauhun.de ([88.99.104.3]:36666 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727728AbeLJVDP (ORCPT ); Mon, 10 Dec 2018 16:03:15 -0500 Received: from localhost (p54B335CF.dip0.t-ipconnect.de [84.179.53.207]) by pokefinder.org (Postfix) with ESMTPSA id 0103B4C200E; Mon, 10 Dec 2018 22:03:12 +0100 (CET) From: Wolfram Sang To: linux-i2c@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Hans de Goede , linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Wolfram Sang , bcm-kernel-feedback-list@broadcom.com, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org Subject: [RFC/RFT 00/10] i2c: move handling of suspended adapters to the core Date: Mon, 10 Dec 2018 22:02:58 +0100 Message-Id: <20181210210310.12677-1-wsa+renesas@sang-engineering.com> X-Mailer: git-send-email 2.11.0 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Finally, here is the implementation Hans and I agreed on. Plus, all potential users I could spot already converted. Renesas R-Car driver was added on top. This series was tested on a Renesas Lager board (R-Car H2). I had to hack some error cases into the code to verify the workings. I couldn't create an error case otherwise, this is why further testing with more complex setups is very welcome. For my taste, there is still too much boilerplate code for drivers left. Plus, it is also too easy to put it too early or too late. But I haven't come up with a better idea yet. And it is time to get this somehow forward. Please comment, review, test... a branch can be found here: git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git renesas/i2c/core-pm-helpers Thanks, Wolfram Wolfram Sang (10): i2c: add 'is_suspended' flag for i2c adapters i2c: reject new transfers when adapters are suspended i2c: synquacer: remove unused is_suspended flag i2c: brcmstb: use core helper to mark adapter suspended i2c: zx2967: use core helper to mark adapter suspended i2c: sprd: don't use pdev as variable name for struct device * i2c: sprd: use core helper to mark adapter suspended i2c: exynos5: use core helper to mark adapter suspended i2c: s3c2410: use core helper to mark adapter suspended i2c: rcar: add suspend/resume support drivers/i2c/busses/i2c-brcmstb.c | 13 ++----------- drivers/i2c/busses/i2c-exynos5.c | 11 ++--------- drivers/i2c/busses/i2c-rcar.c | 25 +++++++++++++++++++++++++ drivers/i2c/busses/i2c-s3c2410.c | 8 ++------ drivers/i2c/busses/i2c-sprd.c | 34 ++++++++++++---------------------- drivers/i2c/busses/i2c-synquacer.c | 5 ----- drivers/i2c/busses/i2c-zx2967.c | 8 ++------ drivers/i2c/i2c-core-base.c | 3 +++ include/linux/i2c.h | 9 +++++++++ 9 files changed, 57 insertions(+), 59 deletions(-) Signed-off-by: Hans de Goede