From nobody Sat Nov 23 04:57:30 2024 Received: from www530.your-server.de (www530.your-server.de [188.40.30.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 749A113959D; Fri, 22 Nov 2024 14:53:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=188.40.30.78 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732287183; cv=none; b=o+US0VHeVkJxvE8StXOQPSTxPKz+NKYmmlgMzPm4YL3pXsHcHztaMoCSgVu2xM643iOyxdQ4Qube6hNiuQImS4874rvr9S90wqk5ijs60fL2AtaXuYtMV+9MS0o40ot/U9kAM7X8Ud2qxIT1OSQx+C79T+s7VrjsCrSJyI1qnnE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732287183; c=relaxed/simple; bh=ocC1FPl0f88WHZezE3pi1ctPnNrY3v/QbLLjCuAJfG4=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=CoPDiLJW0L0yCefcHd5K9ctvcvzroC1L8V2gJ+5dbL1ahNk0tNDi/HKXuQsrALRSRkwrCXxRH55ToBPe7eQF5Rbzvd6l4r5Iel1Q67APZ1WtqPnXGuz+z3hw6iGHhL/VnshmBFpNb479LJtj4ZWOY7/VNep2MN+Jat+pVN9GUdw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=geanix.com; spf=pass smtp.mailfrom=geanix.com; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b=Bvgf4Gh5; arc=none smtp.client-ip=188.40.30.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=geanix.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=geanix.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=geanix.com header.i=@geanix.com header.b="Bvgf4Gh5" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=geanix.com; s=default2211; h=Cc:To:In-Reply-To:References:Message-Id: Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date:From:Sender: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID; bh=cNrGz3wwQWKgtKhUWoIpdHoNu/ZJ8RPPnQ7AxElL624=; b=Bvgf4Gh5ZRVRmnx3mEYF3cuLw4 Hj5bVTomEgsJa2zqHl0XKrCSHJT+jRCKs5C6Ct8LTeIv/uN0O8T4F/lWdXQMcP5IlPJchlgQ7Ng/D 4uP9hveaHVOHcsWl70F4KjI0xqWMr5WsRvQSUjDHKYm1Lqp7htcLwyqxNCs0W1Fexruui3Y0NtQbQ TpP86taAcmKZM/A72PDIovGvxAmnVH3bmK2NtujOscGlSMVmSWDFmx8MoHvsUhe21Q2U0J1QH8nov F+ahQ7Y4xYwLygxfIfbvJxkTs8tkmewVs1m8Lu1ojx/elmXH36shvmT09SK5zw/FBwgBaevv+PMbl 8JefKioA==; Received: from sslproxy03.your-server.de ([88.198.220.132]) by www530.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1tEV1W-000KIE-F6; Fri, 22 Nov 2024 15:52:42 +0100 Received: from [185.17.218.86] (helo=zen.localdomain) by sslproxy03.your-server.de with esmtpsa (TLS1.3) tls TLS_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1tEV1W-000HFz-0n; Fri, 22 Nov 2024 15:52:41 +0100 From: Sean Nyekjaer Date: Fri, 22 Nov 2024 15:52:23 +0100 Subject: [PATCH can-next v3 2/3] can: tcan4x5x: add deinit callback to set standby mode Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241122-tcan-standby-v3-2-90bafaf5eccd@geanix.com> References: <20241122-tcan-standby-v3-0-90bafaf5eccd@geanix.com> In-Reply-To: <20241122-tcan-standby-v3-0-90bafaf5eccd@geanix.com> To: Chandrasekar Ramakrishnan , Marc Kleine-Budde , Vincent Mailhol , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Cc: linux-can@vger.kernel.org, linux-kernel@vger.kernel.org, Sean Nyekjaer X-Mailer: b4 0.14.2 X-Authenticated-Sender: sean@geanix.com X-Virus-Scanned: Clear (ClamAV 0.103.10/27465/Fri Nov 22 10:41:26 2024) At Vsup 12V, standby mode will save 7-8mA, when the interface is down. Signed-off-by: Sean Nyekjaer --- drivers/net/can/m_can/tcan4x5x-core.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/can/m_can/tcan4x5x-core.c b/drivers/net/can/m_can/= tcan4x5x-core.c index 7213d9894c82d079bf92f1ec62d4eebb500cdfa4..13014be4ab37d24680d25806de6= 42a9c5c197020 100644 --- a/drivers/net/can/m_can/tcan4x5x-core.c +++ b/drivers/net/can/m_can/tcan4x5x-core.c @@ -279,6 +279,14 @@ static int tcan4x5x_init(struct m_can_classdev *cdev) return ret; } =20 +static int tcan4x5x_deinit(struct m_can_classdev *cdev) +{ + struct tcan4x5x_priv *tcan4x5x =3D cdev_to_priv(cdev); + + return regmap_update_bits(tcan4x5x->regmap, TCAN4X5X_CONFIG, + TCAN4X5X_MODE_SEL_MASK, TCAN4X5X_MODE_STANDBY); +}; + static int tcan4x5x_disable_wake(struct m_can_classdev *cdev) { struct tcan4x5x_priv *tcan4x5x =3D cdev_to_priv(cdev); @@ -377,6 +385,7 @@ static int tcan4x5x_get_gpios(struct m_can_classdev *cd= ev, =20 static const struct m_can_ops tcan4x5x_ops =3D { .init =3D tcan4x5x_init, + .deinit =3D tcan4x5x_deinit, .read_reg =3D tcan4x5x_read_reg, .write_reg =3D tcan4x5x_write_reg, .write_fifo =3D tcan4x5x_write_fifo, --=20 2.46.2