linux-kernel - Re: [PATCH v4 6/6] firmware: imx: add i.MX95 MISC driver

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Date: Tue, 18 Jun 2024 10:55:21 +0100
From: Cristian Marussi <cristian.marussi@....com>
To: "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc: Jonathan Corbet <corbet@....net>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Sudeep Holla <sudeep.holla@....com>,
	Cristian Marussi <cristian.marussi@....com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Peng Fan <peng.fan@....com>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org
Subject: Re: [PATCH v4 6/6] firmware: imx: add i.MX95 MISC driver

On Fri, May 24, 2024 at 04:56:48PM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> The i.MX95 System manager exports SCMI MISC protocol for linux to do
> various settings, such as set board gpio expander as wakeup source.
> 
> The driver is to add the support.
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  drivers/firmware/imx/Makefile   |   1 +
>  drivers/firmware/imx/sm-misc.c  | 108 ++++++++++++++++++++++++++++++++++++++++
>  include/linux/firmware/imx/sm.h |  33 ++++++++++++
>  3 files changed, 142 insertions(+)
> 
> diff --git a/drivers/firmware/imx/Makefile b/drivers/firmware/imx/Makefile
> index fb20e22074e1..cb9c361d9b81 100644
> --- a/drivers/firmware/imx/Makefile
> +++ b/drivers/firmware/imx/Makefile
> @@ -2,3 +2,4 @@
>  obj-$(CONFIG_IMX_DSP)		+= imx-dsp.o
>  obj-$(CONFIG_IMX_SCU)		+= imx-scu.o misc.o imx-scu-irq.o rm.o imx-scu-soc.o
>  obj-${CONFIG_IMX_SCMI_BBM_EXT}	+= sm-bbm.o
> +obj-${CONFIG_IMX_SCMI_MISC_EXT}	+= sm-misc.o
> diff --git a/drivers/firmware/imx/sm-misc.c b/drivers/firmware/imx/sm-misc.c
> new file mode 100644
> index 000000000000..22c1a5819425
> --- /dev/null
> +++ b/drivers/firmware/imx/sm-misc.c
> @@ -0,0 +1,108 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright 2024 NXP.
> + */
> +
> +#include <linux/firmware/imx/sm.h>
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/platform_device.h>
> +#include <linux/scmi_protocol.h>
> +#include <linux/scmi_imx_protocol.h>
> +
> +static const struct scmi_imx_misc_proto_ops *imx_misc_ctrl_ops;
> +static struct scmi_protocol_handle *ph;

Same comments as n V1 ... please have a look :P

Thanks,
Cristian