From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 D1E581F7580; Mon, 26 May 2025 11:48:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748260114; cv=none; b=CQpKUPzju2jevmxZLubrz6BopNYUhfrtIq9JqzX3cqTOXXDp1fdV+VeYDQsn71GIvUjqTAa3uMdKArPYwvrBV2k7hLmUEWtxZ9J3MB2NLLNop5NL0g2X/DF3TVQ993vY42va/LsvDyQgg044/LYN9jg7KLQn+CacEJ79F2DofAI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748260114; c=relaxed/simple; bh=pSmYkZtOIKnR5jsr0vOqaPB1+ARyeaia23kddpVXRIU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=laJXgz4XXvwaWwCUKHHrKiyTd6WMDh+ueb9UR5jI5lDFzkss78FzzCTxo5YxQvVQ+ggBBZ/ZiMz6hXoVjlgRdHtonSzgiR75h8ovnNdlJ+OF2YDKVGgORjFO5Ih7pOfunFsFZCk5WSn0pMCK/T3EjVH68QPynCBsTz8sLekcVCA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=G3S3FhXc; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="G3S3FhXc" Received: from pendragon.ideasonboard.com (237.69-130-109.adsl-dyn.isp.belgacom.be [109.130.69.237]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 6E985982; Mon, 26 May 2025 13:48:05 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1748260085; bh=pSmYkZtOIKnR5jsr0vOqaPB1+ARyeaia23kddpVXRIU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=G3S3FhXcfiJONuF9gz0H5sICxp93+1GwyfLiVjzOP0QtEhc/J9/PQrR/8PISbdvTB uZtddzbbKhbAfKh/eEc0Q8swx2i3NVZgN1T0mDYuOfBaqhlADEC6SSbk6UqhhkjRVJ 9qLhvQVl5v7iXnbHbJmpHLGfSElC4JdyodAoNd4E= Date: Mon, 26 May 2025 13:48:24 +0200 From: Laurent Pinchart To: Sakari Ailus Cc: linux-doc@vger.kernel.org, Jonathan Corbet , Greg Kroah-Hartman , Madhavan Srinivasan , Haren Myneni , Bagas Sanjaya , Andrew Donnellan , Michael Ellerman , Akshay Gupta , linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, hans@jjverkuil.nl, Mauro Carvalho Chehab , Lee Jones Subject: Re: [PATCH 2/2] media: uapi: Document IOCTL number assignment Message-ID: <20250526114824.GE17743@pendragon.ideasonboard.com> References: <20250526111732.487229-1-sakari.ailus@linux.intel.com> <20250526111732.487229-3-sakari.ailus@linux.intel.com> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20250526111732.487229-3-sakari.ailus@linux.intel.com> Hi Sakari, Thank you for the patch. On Mon, May 26, 2025 at 02:17:32PM +0300, Sakari Ailus wrote: > Document MC IOCTL number assignment in linux/media.h. In the past the > assignment up to 0x7f was missed so to prevent that from happening again, > document the value here as well. > > Signed-off-by: Sakari Ailus Reviewed-by: Laurent Pinchart > --- > include/uapi/linux/media.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/include/uapi/linux/media.h b/include/uapi/linux/media.h > index 1c80b1d6bbaf..2808132fcf49 100644 > --- a/include/uapi/linux/media.h > +++ b/include/uapi/linux/media.h > @@ -381,6 +381,10 @@ struct media_v2_topology { > */ > #define MEDIA_REQUEST_IOC_QUEUE _IO('|', 0x80) > #define MEDIA_REQUEST_IOC_REINIT _IO('|', 0x81) > +/* > + * Don't allocate new IOCTL numbers past 0x8f, MC IOCTL number assignment ends > + * there! > + */ > > #ifndef __KERNEL__ > -- Regards, Laurent Pinchart