From patchwork Tue Sep 26 09:06:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 726822 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3D9DFE7D26A for ; Tue, 26 Sep 2023 09:06:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234018AbjIZJGl (ORCPT ); Tue, 26 Sep 2023 05:06:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47644 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233997AbjIZJGk (ORCPT ); Tue, 26 Sep 2023 05:06:40 -0400 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CE55DDE for ; Tue, 26 Sep 2023 02:06:33 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id 5b1f17b1804b1-405524e6740so61666705e9.1 for ; Tue, 26 Sep 2023 02:06:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20230601.gappssmtp.com; s=20230601; t=1695719192; x=1696323992; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=AYPORNOx4NuRhf6WfJUJoSr5UgLUFNvcuKhQTL+JrnY=; b=bjix63Oiqxi1eSIKv9kBiX/Y0i0bcLq6Z5XapGVl3wP569BlLSVeq9yeTZmfjxGLGs g/NbbROM3rcc190ZeDit6F6ywrVhKSRXqjTfh0tUC5q/syS9+WbaiFIuABLko3wKT8cW h+bwnFDc5j0pbBgN1N6DSysuyCn5ncUxFEHkjxW0fel9lsxg1o1SSD6Rv0eMn/P6IjGv IgGVU1K/NAys2z9Y65lCYwsY3AXb3UTP2/w61tMmB/aY/BYGZaR0l/1qE9HgNO+va8a8 8oq4ysr1nqvt/SAVIeHfp8uE8qUTy2Vhz9NREE8CoWOn+PB0V2Q0h1cpWq/5r1y/Whtg b4pA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695719192; x=1696323992; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=AYPORNOx4NuRhf6WfJUJoSr5UgLUFNvcuKhQTL+JrnY=; b=Y1x5Ng/cXrmrBdYEEMWi84jSIDwNY1SPudN1Ss8Zv1iZFTHOR2+JpHLiNK1xgWmhti PLw3/TjDdGR+AGgSRpgrtzXzhOLNjJQWagAnxpGdw2tf0WqbxQvK0Wy6GgyMJuoIe5dK p/dbKBdCUqE/Mnu+h1oLSxdyD3guar3xOSXe5994NnWtP4ISDMgc+j8wC4XzUhhNW6qE MTLHexAvdkPwiVs6kicLK5f6EEN2gG3BPeFHCkog1m0p3NqIvC9g1knqAIvaiiF4PlAS uUfepTErAl5qV70kR5OpIhYfzaye/AhJ9ZsHZekj6ZWe1hufi0rwHmXPZKHSVOQ7J1kC qZtA== X-Gm-Message-State: AOJu0Yxe1oy6mSBAhnAHSqhGQD0NHKi9QjgbRScMj2fmMp0AlgYNS/qY p2w1TPg/Kc2puzlLR4H0XHcoLw== X-Google-Smtp-Source: AGHT+IHECvSMOxEXPR/Wch2K8u8yhXgBh2SGThdb3d5Y/uoLHNyMF9X2ZGAX1MvecWbgmJnLQpviVw== X-Received: by 2002:a05:600c:2050:b0:401:906b:7e9d with SMTP id p16-20020a05600c205000b00401906b7e9dmr8005516wmg.18.1695719191864; Tue, 26 Sep 2023 02:06:31 -0700 (PDT) Received: from brgl-uxlite.home ([2a01:cb1d:334:ac00:686:c497:30b1:d2b9]) by smtp.gmail.com with ESMTPSA id 14-20020a05600c230e00b00402f7b50517sm14686841wmo.40.2023.09.26.02.06.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Sep 2023 02:06:31 -0700 (PDT) From: Bartosz Golaszewski To: Linus Walleij , Bartosz Golaszewski , Andy Shevchenko , Harvey Hunt , Paul Cercueil , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mtd@lists.infradead.org, linux-mips@vger.kernel.org, Bartosz Golaszewski Subject: [RFT PATCH] mtd: rawnand: ingenic: move the GPIO quirk to gpiolib-of.c Date: Tue, 26 Sep 2023 11:06:23 +0200 Message-Id: <20230926090623.35595-1-brgl@bgdev.pl> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org From: Bartosz Golaszewski We have a special place for OF polarity quirks in gpiolib-of.c. Let's move this over there so that it doesn't pollute the driver. Signed-off-by: Bartosz Golaszewski --- This is an alternative to the previous patch that instead of replacing one active-low setter with another, just moves the quirk over to gpiolib-of.c drivers/gpio/gpiolib-of.c | 9 +++++++++ drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c | 12 ------------ 2 files changed, 9 insertions(+), 12 deletions(-) diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 5515f32cf19b..58c0bbe9d569 100644 --- a/drivers/gpio/gpiolib-of.c +++ b/drivers/gpio/gpiolib-of.c @@ -192,6 +192,15 @@ static void of_gpio_try_fixup_polarity(const struct device_node *np, */ { "himax,hx8357", "gpios-reset", false }, { "himax,hx8369", "gpios-reset", false }, + /* + * The rb-gpios semantics was undocumented and qi,lb60 (along with + * the ingenic driver) got it wrong. The active state encodes the + * NAND ready state, which is high level. Since there's no signal + * inverter on this board, it should be active-high. Let's fix that + * here for older DTs so we can re-use the generic nand_gpio_waitrdy() + * helper, and be consistent with what other drivers do. + */ + { "qi,lb60", "rb-gpios", true }, #endif }; unsigned int i; diff --git a/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c index 6748226b8bd1..c816dc137245 100644 --- a/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c +++ b/drivers/mtd/nand/raw/ingenic/ingenic_nand_drv.c @@ -380,18 +380,6 @@ static int ingenic_nand_init_chip(struct platform_device *pdev, return ret; } - /* - * The rb-gpios semantics was undocumented and qi,lb60 (along with - * the ingenic driver) got it wrong. The active state encodes the - * NAND ready state, which is high level. Since there's no signal - * inverter on this board, it should be active-high. Let's fix that - * here for older DTs so we can re-use the generic nand_gpio_waitrdy() - * helper, and be consistent with what other drivers do. - */ - if (of_machine_is_compatible("qi,lb60") && - gpiod_is_active_low(nand->busy_gpio)) - gpiod_toggle_active_low(nand->busy_gpio); - nand->wp_gpio = devm_gpiod_get_optional(dev, "wp", GPIOD_OUT_LOW); if (IS_ERR(nand->wp_gpio)) {