From patchwork Fri Oct 11 13:16:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Schneider-Pargmann X-Patchwork-Id: 13832556 X-Patchwork-Delegate: kuba@kernel.org Received: from mail-ej1-f41.google.com (mail-ej1-f41.google.com [209.85.218.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1052821A71C for ; Fri, 11 Oct 2024 13:18:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.41 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728652689; cv=none; b=af5L3NvTJrvr8jClGCCz9fBRx4Zcvn15QNoeruibc6sN4jp0RkrXlRliaIsVY2DnavV8majCKbQskW0N62DP6ped3FKoAJbtN38BotQFKDqvJec04+byBcRKHJ7bPKL01zPPUK3yfHFyDxegyDNmRGeUAIImxjL1Hl1pcYA/N44= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728652689; c=relaxed/simple; bh=ulDHdao8BTiFyv+Pi61bMFlLk5gdDHQrGY9errmbLQE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Cm8i+uYfA0Ge57ap1otptYtzdUJuILJyRc1vgvdCTO5TC/okz12F2Pe15aTdYTJtZwKi14NQB4vpQvUSZFjB8rtQOzGKZX3S3TjbJl6WmUAthVKUqGI+y40VYPHg1WNZmQqmsw8Og0lkiz+EFeDjIQOrYb6V/eGJIBUxMEFzhHA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=joKSJsQ3; arc=none smtp.client-ip=209.85.218.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="joKSJsQ3" Received: by mail-ej1-f41.google.com with SMTP id a640c23a62f3a-a9950d27234so291214866b.1 for ; Fri, 11 Oct 2024 06:18:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1728652686; x=1729257486; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=Vga3MOZfmZ29kxHJN0FdVgZZZBaaChAjrwFcDU1qvO0=; b=joKSJsQ3f2PEheIiVeVWH0KTDGiWyGtKXcKrSFTcaAFRog5XZyf4j2dzakS9ox/e9f 37br6Zi9Mgk0bIQLCxuU1n2sNNuztbaZUPrup8AJooqtZDHvZ2U2EYXprlqeXb2YVcFf 5XiKolaOFGReUPCIsNTsKQhZapOyzFtMw6MvQeTNvrSREBJ+cH933E1UmonJ2ZIPG0tD JuMAVnfFe+MsdsSq0fpIx448Y21uKjO0wHwsrvVu9wEtDaeRicsK93spHzRjPpWzJ6N/ FgWCGMUInY463BW8/k2d2rsetGeMgEAB3wn1tqCE/yvw7kZ+NXl/FpNKhEQKtxveYIKj a8jA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1728652686; x=1729257486; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=Vga3MOZfmZ29kxHJN0FdVgZZZBaaChAjrwFcDU1qvO0=; b=oF3QslGwnu4K4P+Hm3OLBnRCjmFT4STzaoFHlzLxJuFF6wpJOwYi76SxoQgOZULbhH /IbBN2Jq+4vzmuqLwXSsGWocg8JsvCWu6WkcxPYG3wmjgQRWTPo7gj8nfJqVU4FXT4jR offRjrbMS+eQegt6fiu4r469S6udUWBVqL+GJPR+ClSEp24jeZ6EgMdj83rwl1nH3lX6 hHmZI8avKjTR5sANNNNV6GFUASnz2o9CPXGHVeu+YfcKNeZhx/5//1/YvP/2T0k2HA+A O6uN/A7uMeJTjlTm43nNRDCSJJPEJ8vY6hN0gfE6Mkya+IX9zgF2SzVTDquaZmTpt6OX t53g== X-Forwarded-Encrypted: i=1; AJvYcCVla4Tg9Cx7q+E2mgKfymS0N2r7kj4HD2OW+bskXiJ9CJH/H4hZe1qEuzjrzuKgmQB6z4zec4M=@vger.kernel.org X-Gm-Message-State: AOJu0YyfbKQLQC68FMnijWAC8A4Z8OY6xmj331/m71vtgeMnHL/y4KOg hh+/PNlB3Lg3wVl8Nx8cL4SdBiSAbOzJcsc0aeC91xkJOnKKVbN7hl9HcmeLanA= X-Google-Smtp-Source: AGHT+IGgoWPy1ViOIak8PVBnyQlhX6rbT31r7c6raHYXCjGwe6/3JiHlA5M2yM504nFnhQ1ciPMqXQ== X-Received: by 2002:a17:906:d7d4:b0:a99:75bb:a37f with SMTP id a640c23a62f3a-a99b95a5e37mr203682866b.54.1728652686348; Fri, 11 Oct 2024 06:18:06 -0700 (PDT) Received: from localhost ([2001:4090:a244:83ae:2517:2666:43c9:d0d3]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a99a80c0133sm210634266b.114.2024.10.11.06.18.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Oct 2024 06:18:05 -0700 (PDT) From: Markus Schneider-Pargmann Date: Fri, 11 Oct 2024 15:16:43 +0200 Subject: [PATCH v3 6/9] can: m_can: Add use of optional regulator Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241011-topic-mcan-wakeup-source-v6-12-v3-6-9752c714ad12@baylibre.com> References: <20241011-topic-mcan-wakeup-source-v6-12-v3-0-9752c714ad12@baylibre.com> In-Reply-To: <20241011-topic-mcan-wakeup-source-v6-12-v3-0-9752c714ad12@baylibre.com> To: Chandrasekar Ramakrishnan , Marc Kleine-Budde , Vincent Mailhol , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Nishanth Menon , Vignesh Raghavendra , Tero Kristo Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Matthias Schiffer , Vishal Mahaveer , Kevin Hilman , Dhruva Gole , Markus Schneider-Pargmann X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1195; i=msp@baylibre.com; h=from:subject:message-id; bh=ulDHdao8BTiFyv+Pi61bMFlLk5gdDHQrGY9errmbLQE=; b=owGbwMvMwCGm0rPl0RXRdfaMp9WSGNI5VfP/1iQ80tPZ75Kx42dt2JHw94lrkh/uVZa2XML99 v6+rWd/d5SyMIhxMMiKKbLc/bDwXZ3c9QUR6x45wsxhZQIZwsDFKQATuVXLyLD4/Qamp91bjJd/ +bJx67HC/O3nY4zkqw39JwjdjzgdN+EBI8PuazdthD6er/qTfdYjL+jLCa5HcY+VO9/fKOCSXMS s3cwMAA== X-Developer-Key: i=msp@baylibre.com; a=openpgp; fpr=BADD88DB889FDC3E8A3D5FE612FA6A01E0A45B41 X-Patchwork-Delegate: kuba@kernel.org Add support to use a regulator for the core. This is optional and used to register the dependency on the regulator. Signed-off-by: Markus Schneider-Pargmann Reviewed-by: Vincent Mailhol --- drivers/net/can/m_can/m_can.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index c56d61b0d20b05be36c95ec4a6651b0457883b66..b009575354cf5f19e93950bb17d448f81609aae4 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -23,6 +23,7 @@ #include #include #include +#include #include "m_can.h" @@ -2383,6 +2384,11 @@ struct m_can_classdev *m_can_class_allocate_dev(struct device *dev, if (dev->of_node && of_property_read_bool(dev->of_node, "wakeup-source")) device_set_wakeup_capable(dev, true); + ret = devm_regulator_get_enable_optional(dev, "vio"); + if (ret) + return ERR_PTR( + dev_err_probe(dev, ret, "Failed to get or enable optional regulator\n")); + /* Get TX FIFO size * Defines the total amount of echo buffers for loopback */