From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay3-d.mail.gandi.net (relay3-d.mail.gandi.net [217.70.183.195]) (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 E39C6188938; Mon, 20 Jan 2025 10:21:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.70.183.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737368483; cv=none; b=TgoSpxDDXPAfUDhCRDZkcUoFITihrn5DwP3AdYjPYG4FBNL6mp4SzFQHgci9eIMob76F+oPvwzfWuqe1lvRcQtA8o4pb2qXhV4mBZrPFwMi4rcDzxWDpK/b74lBbjvgvOKVy3S5FPKlVYXJRm3OmavPC0mgcnEbZOSqg/6aeJi4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1737368483; c=relaxed/simple; bh=Xqs8/c2crgNvrXPRWU9PaaEgrFF7yD7OP3+3a61m01A=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=oEE2uE6kJIxp6KV7Rtoq+Z5CKYNtqWLmXIdoZvomLRhuq0UIWpg84ZsQ90q8jJYaRbY7jwLIwIEq8jzafezSu1z2fYd6q0uw10M7RDF44kBufCoCC83E1g5vCCMQ14auHxNd2K2GQoRTTJd9rAKIQyVgWNDAFgNmkQ21Q0V1kKg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=CpvkaGTX; arc=none smtp.client-ip=217.70.183.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="CpvkaGTX" Received: by mail.gandi.net (Postfix) with ESMTPSA id 4DC916000C; Mon, 20 Jan 2025 10:21:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1737368479; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=zkzZNKW8eL7DBqP7Z2NDJ6Qfzrf1J+jLV5t9JUsOcrc=; b=CpvkaGTXv9QdI+B4g/m2HOTohSbLJ2NKlZPezKb46S9Rvvse2jHEFCOlfIVfSWNvPr37yy 9jZCkNcmVGS+yETVPjub0NDcGqK9HAdOYJGFHRKmN1NllEsZaCis71mTRBQywG32rvefpq bGwYaZjHO3lTdeftSB2AXHDzj+bwBvXoDfwG1vF9XaZXxwfxzHl2YzQCMCuvQ5jPnhGbn1 gh4SGIei5u7rua7NR6ArWuOOmg6voBPWFKtmzXBu+SCf7Bcn87SrEYQUxHGsVxOc7+cLfE kDbSZjmL5XiN8NBm/ho57/23I4dhYPTLXM4BW6Nh0ND549sArIse7As4aI49cQ== Date: Mon, 20 Jan 2025 11:21:17 +0100 From: Alexandre Belloni To: "Peng Fan (OSS)" Cc: Sudeep Holla , Cristian Marussi , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org, linux-rtc@vger.kernel.org, Peng Fan Subject: Re: [PATCH 0/4] rtc/scmi: Support multiple RTCs Message-ID: <20250120102117538ef59b@mail.local> References: <20250120-rtc-v1-0-08c50830bac9@nxp.com> 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=us-ascii Content-Disposition: inline In-Reply-To: <20250120-rtc-v1-0-08c50830bac9@nxp.com> X-GND-Sasl: alexandre.belloni@bootlin.com Hello, On 20/01/2025 10:25:32+0800, Peng Fan (OSS) wrote: > i.MX95 System Manager(SM) BBM protocol exports two RTCs for EVK board. > one RTC is SoC internal RTC, the other is board RTC. > > The current driver only use the 1st RTC. With this patchset, both RTCs > could be used in Linux. To achieve this: > > 1. Support more event sources for BBM protocol > 2. Add bbm_info hook to let users could query the number of RTCs > 3. Introduce devm_rtc_allocate_device_priv to support setting rtc device > private information > 4. Update rtc-imx-sm-bbm.c to register both RTCs > I'm sorry but no, you have to register two RTCs like any other system would do. > Signed-off-by: Peng Fan > --- > Peng Fan (4): > firmware: arm_scmi: imx: Support more event sources > firmware: arm_scmi: imx: Introduce bbm_info hook > rtc: Introduce devm_rtc_allocate_device_priv > rtc: imx-sm-bbm: Support multiple RTCs > > drivers/firmware/arm_scmi/vendors/imx/imx-sm-bbm.c | 33 ++++++++++- > drivers/rtc/class.c | 9 ++- > drivers/rtc/dev.c | 8 ++- > drivers/rtc/interface.c | 16 ++--- > drivers/rtc/proc.c | 2 +- > drivers/rtc/rtc-imx-sm-bbm.c | 69 ++++++++++++++-------- > include/linux/rtc.h | 2 + > include/linux/scmi_imx_protocol.h | 2 + > 8 files changed, 100 insertions(+), 41 deletions(-) > --- > base-commit: e7bb221a638962d487231ac45a6699fb9bb8f9fa > change-id: 20250116-rtc-3834e01786a8 > > Best regards, > -- > Peng Fan > -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com