Re: [PATCH v2 03/49] drm/omap: dsi: Fix OF platform depopulate

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Hi,

On Fri, Jan 11, 2019 at 05:50:34AM +0200, Laurent Pinchart wrote:
> From: Tomi Valkeinen <tomi.valkeinen@xxxxxx>
> 
> Commit edb715dffdee ("drm/omap: dss: dsi: Move initialization code from
> bind to probe") moved the of_platform_populate() call from dsi_bind() to
> dsi_probe(), but failed to move the corresponding
> of_platform_depopulate() from dsi_unbind() to dsi_remove(). This results
> in OF child devices being potentially removed multiple times. Fix it by
> placing the of_platform_depopulate() call where it belongs.
> 
> Fixes: edb715dffdee ("drm/omap: dss: dsi: Move initialization code from bind to probe")
> Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>

-- Sebastian

>  drivers/gpu/drm/omapdrm/dss/dsi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/omapdrm/dss/dsi.c b/drivers/gpu/drm/omapdrm/dss/dsi.c
> index 277f9dd2ec8c..b5685018d830 100644
> --- a/drivers/gpu/drm/omapdrm/dss/dsi.c
> +++ b/drivers/gpu/drm/omapdrm/dss/dsi.c
> @@ -5104,8 +5104,6 @@ static void dsi_unbind(struct device *dev, struct device *master, void *data)
>  	dss_debugfs_remove_file(dsi->debugfs.irqs);
>  	dss_debugfs_remove_file(dsi->debugfs.regs);
>  
> -	of_platform_depopulate(dev);
> -
>  	WARN_ON(dsi->scp_clk_refcount > 0);
>  
>  	dss_pll_unregister(&dsi->pll);
> @@ -5457,6 +5455,8 @@ static int dsi_remove(struct platform_device *pdev)
>  
>  	dsi_uninit_output(dsi);
>  
> +	of_platform_depopulate(&pdev->dev);
> +
>  	pm_runtime_disable(&pdev->dev);
>  
>  	if (dsi->vdds_dsi_reg != NULL && dsi->vdds_dsi_enabled) {
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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