From patchwork Thu Jan 14 23:40:24 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Doug Anderson X-Patchwork-Id: 364117 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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, 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 B2597C433E0 for ; Thu, 14 Jan 2021 23:41:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7FB2423A7C for ; Thu, 14 Jan 2021 23:41:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731017AbhANXlb (ORCPT ); Thu, 14 Jan 2021 18:41:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42934 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727838AbhANXla (ORCPT ); Thu, 14 Jan 2021 18:41:30 -0500 Received: from mail-pj1-x1033.google.com (mail-pj1-x1033.google.com [IPv6:2607:f8b0:4864:20::1033]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1E98C061575 for ; Thu, 14 Jan 2021 15:40:50 -0800 (PST) Received: by mail-pj1-x1033.google.com with SMTP id md11so4020705pjb.0 for ; Thu, 14 Jan 2021 15:40:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KwOjwyg6i4iA1UJ1S2Hj9B446AoSw0O4Qio8BG/OuQM=; b=Yo6HU+GsLdc4Gahgl+nfm4NocqQdafahxS/Vy3BfbRYl3bgPmcG6TSygnYPzXrNXeu CRDUVqqTqJvsei4ONiyztLN9CEtAv3hcZZktGya9ZbG3dQBAj4BGykJtAztwLAeIwN/n VrfRce4jDw7P8biviuBPvVBlVU7wfOHpmAdKE= 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=KwOjwyg6i4iA1UJ1S2Hj9B446AoSw0O4Qio8BG/OuQM=; b=S9k7WBAwWbo82OkCondFWFhyGIOBgklPUhMpi2meib1MjKR1v1e4/zNpVDwkiuJsOv 8NbMymW4bRcOSe7zMImqIYCr01kijbC7A+06ohynGlwRxvADF70K88b3/P3wy8wF8vNR KnAhobg4/eaOgJm8jo0+Vub5jwY+o02sVUKcKyFCgG4BT/IpLpdgBTgRA5rLbrscYE0F 5mzEfjhyIj2NAD/4tDbN91EN1xhz4MJvmylBkzLkGbB+KJyfGpIKxshGYTL7Abn34hH6 iyVDn3OPMAbUUsIlYFaNV5kfrxdqhf22tRKESXFiEetxwhf5V18GakFRkLLEKZIa6tMi P2lQ== X-Gm-Message-State: AOAM533GW0nRmbYvOStkPsS8THnTan0nxIkz4PQRLbNmZ0iXsgGmnpon dTvmuer9KXCs0NdwTlQE7FipwgbbTQb2VQ0l X-Google-Smtp-Source: ABdhPJyK2hTjgJqcjghcPAjC14/kP/FnaiRkzCCIPV1ht4vchLlBt1rWXpO8h+VZXa4U0HFKpDBIuw== X-Received: by 2002:a17:902:7007:b029:dc:e89:50f1 with SMTP id y7-20020a1709027007b02900dc0e8950f1mr9940803plk.72.1610667650223; Thu, 14 Jan 2021 15:40:50 -0800 (PST) Received: from tictac2.mtv.corp.google.com ([2620:15c:202:1:42b0:34ff:fe3d:58e6]) by smtp.gmail.com with ESMTPSA id x1sm6498804pfj.95.2021.01.14.15.40.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 14 Jan 2021 15:40:49 -0800 (PST) From: Douglas Anderson To: Marc Zyngier , Thomas Gleixner , Jason Cooper , Linus Walleij Cc: Neeraj Upadhyay , Bjorn Andersson , Rajendra Nayak , Srinivas Ramana , linux-arm-msm@vger.kernel.org, Stephen Boyd , Maulik Shah , linux-gpio@vger.kernel.org, Douglas Anderson , Andy Gross , linux-kernel@vger.kernel.org Subject: [PATCH v6 1/4] pinctrl: qcom: Allow SoCs to specify a GPIO function that's not 0 Date: Thu, 14 Jan 2021 15:40:24 -0800 Message-Id: <20210114154004.v6.1.I3ad184e3423d8e479bc3e86f5b393abb1704a1d1@changeid> X-Mailer: git-send-email 2.30.0.284.gd98b1dd5eaa7-goog MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org There's currently a comment in the code saying function 0 is GPIO. Instead of hardcoding it, let's add a member where an SoC can specify it. No known SoCs use a number other than 0, but this just makes the code clearer. NOTE: no SoC code needs to be updated since we can rely on zero-initialization. Signed-off-by: Douglas Anderson Reviewed-by: Stephen Boyd Reviewed-by: Maulik Shah Tested-by: Maulik Shah Reviewed-by: Bjorn Andersson --- Changes in v6: - Don't wrap line; bust through 80 columns! drivers/pinctrl/qcom/pinctrl-msm.c | 3 +-- drivers/pinctrl/qcom/pinctrl-msm.h | 2 ++ 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index e051aecf95c4..d1261188fb6e 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -210,8 +210,7 @@ static int msm_pinmux_request_gpio(struct pinctrl_dev *pctldev, if (!g->nfuncs) return 0; - /* For now assume function 0 is GPIO because it always is */ - return msm_pinmux_set_mux(pctldev, g->funcs[0], offset); + return msm_pinmux_set_mux(pctldev, g->funcs[pctrl->soc->gpio_func], offset); } static const struct pinmux_ops msm_pinmux_ops = { diff --git a/drivers/pinctrl/qcom/pinctrl-msm.h b/drivers/pinctrl/qcom/pinctrl-msm.h index 333f99243c43..e31a5167c91e 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.h +++ b/drivers/pinctrl/qcom/pinctrl-msm.h @@ -118,6 +118,7 @@ struct msm_gpio_wakeirq_map { * @wakeirq_dual_edge_errata: If true then GPIOs using the wakeirq_map need * to be aware that their parent can't handle dual * edge interrupts. + * @gpio_func: Which function number is GPIO (usually 0). */ struct msm_pinctrl_soc_data { const struct pinctrl_pin_desc *pins; @@ -134,6 +135,7 @@ struct msm_pinctrl_soc_data { const struct msm_gpio_wakeirq_map *wakeirq_map; unsigned int nwakeirq_map; bool wakeirq_dual_edge_errata; + unsigned int gpio_func; }; extern const struct dev_pm_ops msm_pinctrl_dev_pm_ops;