From patchwork Wed Apr 3 04:01:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrey Smirnov X-Patchwork-Id: 10882675 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 83BEB13B5 for ; Wed, 3 Apr 2019 04:01:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6C7F228989 for ; Wed, 3 Apr 2019 04:01:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 60B2B289A2; Wed, 3 Apr 2019 04:01:52 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham 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 0A2DD28989 for ; Wed, 3 Apr 2019 04:01:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725937AbfDCEBv (ORCPT ); Wed, 3 Apr 2019 00:01:51 -0400 Received: from mail-pf1-f195.google.com ([209.85.210.195]:37684 "EHLO mail-pf1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725936AbfDCEBv (ORCPT ); Wed, 3 Apr 2019 00:01:51 -0400 Received: by mail-pf1-f195.google.com with SMTP id 8so7459413pfr.4; Tue, 02 Apr 2019 21:01:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=lxLrLCbVFtIy/2ubbj8Qeap60NlW6HHL3ONFbuGto3Y=; b=Xc6/+a7ewMlXoahd2w2kgGP7noBDg1B9iHlHEESf0VmW+YukMNx7AaElYP5em/g99G /g5KqlKZ3ndcEhOQjuy19sSea7bwnDFEZDV7P7VEy2vUEbEHdqRKJbosLwosPyPKn9io FiYeWfAuKdCpsdwwreQ/dtnLvMSCl5AMnQb0/qw71kvUBITWmFlo8Pu3qc3k9K8h4lFo 5i9Eg3URjXmgjE6FWr0MIjaTJCv5ORLVR0KfKPLjhRqYrfSJB6NiO4rOO+eckKamSiOd KD5wF8Q120D6Frb6tIMFh810s0BoTqQEDJKnpRdkqkurHwaMWks9T6w8w8r7BJiSbaCq otpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=lxLrLCbVFtIy/2ubbj8Qeap60NlW6HHL3ONFbuGto3Y=; b=qtQBmvhQLPsQxrnLM8lIZygi9jUnZjy97DRaO3Q26BlMKIbKyUClsLGExcZBpr57W0 QvTaX3c4loRHMzUPnqpd93EWXKedJIDBAUrQZCmkbXZBad/6jP6P2D5EtxegLSLCVh2H ji+rcZZOazUkZNxhy7+cZuam09Cv/dOSn2mX0Zvx2bBHOxLE+a47S7ManxU6Ik4a7XXz mtIZH5j7CyGqfshKyMg8CCZJ1y8QS2nr8IC6J3Mfof8qVLALVLQipjW+9qK3NRqlx1NV SGnXKSPL9wv3+ZCUCI/FPzqwaLhiFku6EnccqdxVgL0Imk9yhco9CK/akFa98M3X51wb luOg== X-Gm-Message-State: APjAAAXx4MXIQ+sYrCjJ2Eu/TWfv1oEgKKxODIEUku6bg65RPA+k+3eA Gy9dNSPbiaOyxhEpeIE7J7xlj9Aq X-Google-Smtp-Source: APXvYqwswxkqLTa43qq9uT8QDHLUEggiP/JlvjaeuISf1CqJBWxGQhJf9aQM2QUIYtia7DCSrN1KpQ== X-Received: by 2002:a63:d302:: with SMTP id b2mr9881105pgg.13.1554264110191; Tue, 02 Apr 2019 21:01:50 -0700 (PDT) Received: from squirtle.lan (c-24-22-235-96.hsd1.wa.comcast.net. [24.22.235.96]) by smtp.gmail.com with ESMTPSA id k14sm16278064pfb.125.2019.04.02.21.01.48 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 02 Apr 2019 21:01:48 -0700 (PDT) From: Andrey Smirnov To: linux-spi@vger.kernel.org Cc: Andrey Smirnov , Mark Brown , Chris Healy , linux-kernel@vger.kernel.org Subject: [PATCH 00/12] SPI GPIO improvements Date: Tue, 2 Apr 2019 21:01:21 -0700 Message-Id: <20190403040133.1459-1-andrew.smirnov@gmail.com> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Everyone: This series contains a fix ("spi: Don't call spi_get_gpio_descs() before device name is set) and improvements for SPI GPIO and driver I made while looking at that code recently. Hopefully each patch is self-explanatory. Feedback is welcome! Thanks, Andrey Smirnov Andrey Smirnov (12): spi: gpio: Drop unused spi_to_pdata() spi: gpio: Add local struct device pointer in spi_gpio_probe() spi: gpio: Add local struct spi_bitbang pointer in spi_gpio_probe() spi: gpio: Simplify SPI_MASTER_NO_TX check in spi_gpio_probe() spi: gpio: Drop unused pdata copy in struct spi_gpio spi: gpio: Don't request CS GPIO in DT use-case spi: Don't call spi_get_gpio_descs() before device name is set spi: gpio: Drop mflags argument from spi_gpio_request() spi: gpio: Drop unused pdev field in struct spi_gpio spi: gpio: Make sure spi_master_put() is called in every error path spi: bitbang: Introduce spi_bitbang_init() spi: gpio: Use devm_spi_register_master() drivers/spi/spi-bitbang.c | 66 ++++++---- drivers/spi/spi-gpio.c | 226 ++++++++++++++------------------ drivers/spi/spi.c | 37 +++--- include/linux/spi/spi_bitbang.h | 1 + 4 files changed, 154 insertions(+), 176 deletions(-)