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=-7.0 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no 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 5ABA0C4345E for ; Thu, 23 Jul 2020 01:39:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3252622CF7 for ; Thu, 23 Jul 2020 01:39:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387462AbgGWBji (ORCPT ); Wed, 22 Jul 2020 21:39:38 -0400 Received: from mail.baikalelectronics.com ([87.245.175.226]:32902 "EHLO mail.baikalelectronics.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387460AbgGWBjH (ORCPT ); Wed, 22 Jul 2020 21:39:07 -0400 Received: from localhost (unknown [127.0.0.1]) by mail.baikalelectronics.ru (Postfix) with ESMTP id 866BA803202F; Thu, 23 Jul 2020 01:39:05 +0000 (UTC) X-Virus-Scanned: amavisd-new at baikalelectronics.ru Received: from mail.baikalelectronics.ru ([127.0.0.1]) by localhost (mail.baikalelectronics.ru [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7NZcB0gu1dAP; Thu, 23 Jul 2020 04:39:04 +0300 (MSK) From: Serge Semin To: Hoan Tran , Linus Walleij , Bartosz Golaszewski CC: Serge Semin , Serge Semin , Andy Shevchenko , Andy Shevchenko , Alexey Malahov , Pavel Parkhomenko , Rob Herring , , , Subject: [PATCH 0/7] gpio: dwapb: Refactor GPIO resources initialization Date: Thu, 23 Jul 2020 04:38:51 +0300 Message-ID: <20200723013858.10766-1-Sergey.Semin@baikalelectronics.ru> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-ClientProxiedBy: MAIL.baikal.int (192.168.51.25) To mail (192.168.51.25) Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This series is about the DW APB GPIO device initialization procedure cleaning up. First of all it has been discovered that having a vendor-specific "snps,nr-gpios" property isn't only redundant but also might be dangerous (see the commit log for details). Instead we suggest to use the generic "ngpios" property to define a number of GPIOs each DW APB GPIO controller port supports. Secondly seeing a tendency of the other GPIO drivers getting converted to using the GPIO-lib-based IRQ-chip interface this series provides a patch, which replaces the DW APB GPIO driver Generic IRQ-chip implementation with the GPIO-lib IRQ-chip one. Finally the DW APB GPIO device probe procedure is simplified by converting the code to be using the device managed resources for the reference clocks initialization, reset control assertion/de-assertion and GPIO-chip registration. Signed-off-by: Serge Semin Cc: Andy Shevchenko Cc: Andy Shevchenko , Cc: Alexey Malahov Cc: Pavel Parkhomenko Cc: Rob Herring Cc: linux-gpio@vger.kernel.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Serge Semin (7): dt-bindings: gpio: dwapb: Add ngpios property support gpio: dwapb: Add ngpios DT-property support gpio: dwapb: Move MFD-specific IRQ handler gpio: dwapb: Convert driver to using the GPIO-lib-based IRQ-chip gpio: dwapb: Get reset control by means of resource managed interface gpio: dwapb: Get clocks by means of resource managed interface gpio: dwapb: Use resource managed GPIO-chip add data method .../bindings/gpio/snps,dw-apb-gpio.yaml | 6 + drivers/gpio/Kconfig | 2 +- drivers/gpio/gpio-dwapb.c | 324 +++++++++--------- 3 files changed, 161 insertions(+), 171 deletions(-) -- 2.26.2