From patchwork Mon May 10 09:50:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 433370 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=-8.8 required=3.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FREEMAIL_FORGED_FROMDOMAIN, FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 D62C0C43462 for ; Mon, 10 May 2021 09:51:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B3EB161455 for ; Mon, 10 May 2021 09:51:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230503AbhEJJwL (ORCPT ); Mon, 10 May 2021 05:52:11 -0400 Received: from fgw22-7.mail.saunalahti.fi ([62.142.5.83]:16879 "EHLO fgw22-7.mail.saunalahti.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230449AbhEJJwF (ORCPT ); Mon, 10 May 2021 05:52:05 -0400 Received: from localhost (88-115-248-186.elisa-laajakaista.fi [88.115.248.186]) by fgw22.mail.saunalahti.fi (Halon) with ESMTP id 37901f08-b175-11eb-88cb-005056bdf889; Mon, 10 May 2021 12:50:57 +0300 (EEST) From: Andy Shevchenko To: Pavel Machek , Andy Shevchenko , Amireddy Mallikarjuna reddy , Linus Walleij , =?utf-8?q?Marek_Beh=C3=BAn?= , Abanoub Sameh , Dan Murphy , Krzysztof Kozlowski , linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andy Shevchenko Subject: [PATCH v1 00/28] leds: cleanups and fwnode refcounting bug fixes Date: Mon, 10 May 2021 12:50:17 +0300 Message-Id: <20210510095045.3299382-1-andy.shevchenko@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org When analyzing the current state of affairs with fwnode reference counting I found that a lot of core doesn't take it right. Here is a bunch of corresponding fixes against LED drivers. The series includes some cleanups and a few other fixes grouped by a driver. First two patches are taking care of -ENOTSUPP error code too prevent its appearance in the user space. Andy Shevchenko (28): leds: class: The -ENOTSUPP should never be seen by user space leds: core: The -ENOTSUPP should never be seen by user space leds: el15203000: Give better margin for usleep_range() leds: el15203000: Make error handling more robust leds: el15203000: Correct headers (of*.h -> mod_devicetable.h) leds: el15203000: Introduce to_el15203000_led() helper leds: lgm-sso: Fix clock handling leds: lgm-sso: Put fwnode in any case during ->probe() leds: lgm-sso: Don't spam logs when probe is deferred leds: lgm-sso: Remove unneeded of_match_ptr() leds: lgm-sso: Remove explicit managed resource cleanups leds: lgm-sso: Drop duplicate NULL check for GPIO operations leds: lgm-sso: Convert to use list_for_each_entry*() API leds: lm3532: select regmap I2C API leds: lm3532: Make error handling more robust leds: lm36274: Put fwnode in error case during ->probe() leds: lm36274: Correct headers (of*.h -> mod_devicetable.h) leds: lm3692x: Put fwnode in any case during ->probe() leds: lm3692x: Correct headers (of*.h -> mod_devicetable.h) leds: lm3697: Update header block to reflect reality leds: lm3697: Make error handling more robust leds: lm3697: Don't spam logs when probe is deferred leds: lp50xx: Put fwnode in error case during ->probe() leds: lt3593: Put fwnode in any case during ->probe() leds: lt3593: Make use of device properties leds: pwm: Make error handling more robust leds: rt8515: Put fwnode in any case during ->probe() leds: sgm3140: Put fwnode in any case during ->probe() drivers/leds/Kconfig | 7 ++- drivers/leds/blink/leds-lgm-sso.c | 86 +++++++++++++------------------ drivers/leds/flash/leds-rt8515.c | 4 +- drivers/leds/led-class.c | 4 -- drivers/leds/led-core.c | 7 ++- drivers/leds/leds-el15203000.c | 54 ++++++++----------- drivers/leds/leds-lm3532.c | 7 +-- drivers/leds/leds-lm36274.c | 3 +- drivers/leds/leds-lm3692x.c | 11 ++-- drivers/leds/leds-lm3697.c | 22 ++++---- drivers/leds/leds-lp50xx.c | 2 +- drivers/leds/leds-lt3593.c | 13 ++--- drivers/leds/leds-pwm.c | 16 +++--- drivers/leds/leds-sgm3140.c | 8 +-- 14 files changed, 106 insertions(+), 138 deletions(-) Reviewed-by: Oleh Kravchenko