linux-kernel - Re: [PATCH 14/14] staging: vc04_services: vchiq: Load bcm2835

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Date:   Tue, 22 Nov 2022 01:10:42 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Umang Jain <umang.jain@...asonboard.com>
Cc:     linux-media@...r.kernel.org, kernel-list@...pberrypi.com,
        linux-kernel@...r.kernel.org, linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-staging@...ts.linux.dev,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Naushir Patuck <naush@...pberrypi.com>,
        David Plowman <david.plowman@...pberrypi.com>,
        Kieran Bingham <kieran.bingham@...asonboard.com>
Subject: Re: [PATCH 14/14] staging: vc04_services: vchiq: Load bcm2835_isp
 driver from vchiq

Hi Umang and Naush,

Thank you for the patch.

On Tue, Nov 22, 2022 at 03:17:22AM +0530, Umang Jain wrote:
> From: Naushir Patuck <naush@...pberrypi.com>
> 
> bcmn2835_isp is a platform driver dependent on vchiq,
> therefore add the load/unload functions for it to vchiq.

The commit message mentiones a platform driver, but the code handles a
platform device.

The rest looks fine to me.

> Signed-off-by: Naushir Patuck <naush@...pberrypi.com>
> Signed-off-by: Umang Jain <umang.jain@...asonboard.com>
> ---
>  drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> index 642fdbc0d654..2d070f80a170 100644
> --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c
> @@ -67,6 +67,7 @@ struct vchiq_state g_state;
>  
>  static struct platform_device *bcm2835_camera;
>  static struct platform_device *bcm2835_audio;
> +static struct platform_device *bcm2835_isp;
>  static struct platform_device *vcsm_cma;
>  
>  struct vchiq_drvdata {
> @@ -1836,6 +1837,7 @@ static int vchiq_probe(struct platform_device *pdev)
>  	vcsm_cma = vchiq_register_child(pdev, "vcsm-cma");
>  	bcm2835_camera = vchiq_register_child(pdev, "bcm2835-camera");
>  	bcm2835_audio = vchiq_register_child(pdev, "bcm2835_audio");
> +	bcm2835_isp = vchiq_register_child(pdev, "bcm2835-isp");
>  
>  	return 0;
>  
> @@ -1847,6 +1849,7 @@ static int vchiq_probe(struct platform_device *pdev)
>  
>  static int vchiq_remove(struct platform_device *pdev)
>  {
> +	platform_device_unregister(bcm2835_isp);
>  	platform_device_unregister(bcm2835_audio);
>  	platform_device_unregister(bcm2835_camera);
>  	platform_device_unregister(vcsm_cma);

-- 
Regards,

Laurent Pinchart