Re: [PATCH] drm/i915: Make intel_dsi_init() return void

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On Wed, May 28, 2014 at 12:30:56PM +0100, Damien Lespiau wrote:
> Functions that can't fail are such a bliss to work with, it'd be shame
> to miss the occasion. The "failure" mode is the DSI connector not being
> created, the rest of the initialization can carry on happily.
> 
> We weren't even checking that value anyway.
> 
> Suggested-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Suggested-by: Shobhit Kumar <shobhit.kumar@xxxxxxxxx>
> Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> Cc: Shobhit Kumar <shobhit.kumar@xxxxxxxxx>
> Signed-off-by: Damien Lespiau <damien.lespiau@xxxxxxxxx>

Queued for -next, thanks for the patch.
-Daniel

> ---
>  drivers/gpu/drm/i915/intel_drv.h |  2 +-
>  drivers/gpu/drm/i915/intel_dsi.c | 12 ++++++------
>  2 files changed, 7 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
> index edecf89..62686b2 100644
> --- a/drivers/gpu/drm/i915/intel_drv.h
> +++ b/drivers/gpu/drm/i915/intel_drv.h
> @@ -831,7 +831,7 @@ void intel_edp_psr_update(struct drm_device *dev);
>  void intel_dp_set_drrs_state(struct drm_device *dev, int refresh_rate);
>  
>  /* intel_dsi.c */
> -bool intel_dsi_init(struct drm_device *dev);
> +void intel_dsi_init(struct drm_device *dev);
>  
>  
>  /* intel_dvo.c */
> diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c
> index e73bec6..4dbd160 100644
> --- a/drivers/gpu/drm/i915/intel_dsi.c
> +++ b/drivers/gpu/drm/i915/intel_dsi.c
> @@ -646,7 +646,7 @@ static const struct drm_connector_funcs intel_dsi_connector_funcs = {
>  	.fill_modes = drm_helper_probe_single_connector_modes,
>  };
>  
> -bool intel_dsi_init(struct drm_device *dev)
> +void intel_dsi_init(struct drm_device *dev)
>  {
>  	struct intel_dsi *intel_dsi;
>  	struct intel_encoder *intel_encoder;
> @@ -662,12 +662,12 @@ bool intel_dsi_init(struct drm_device *dev)
>  
>  	intel_dsi = kzalloc(sizeof(*intel_dsi), GFP_KERNEL);
>  	if (!intel_dsi)
> -		return false;
> +		return;
>  
>  	intel_connector = kzalloc(sizeof(*intel_connector), GFP_KERNEL);
>  	if (!intel_connector) {
>  		kfree(intel_dsi);
> -		return false;
> +		return;
>  	}
>  
>  	intel_encoder = &intel_dsi->base;
> @@ -678,7 +678,7 @@ bool intel_dsi_init(struct drm_device *dev)
>  		dev_priv->mipi_mmio_base = VLV_MIPI_BASE;
>  	} else {
>  		DRM_ERROR("Unsupported Mipi device to reg base");
> -		return false;
> +		return;
>  	}
>  
>  	connector = &intel_connector->base;
> @@ -738,12 +738,12 @@ bool intel_dsi_init(struct drm_device *dev)
>  	fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
>  	intel_panel_init(&intel_connector->panel, fixed_mode, NULL);
>  
> -	return true;
> +	return;
>  
>  err:
>  	drm_encoder_cleanup(&intel_encoder->base);
>  	kfree(intel_dsi);
>  	kfree(intel_connector);
>  
> -	return false;
> +	return;
>  }
> -- 
> 1.8.3.1
> 
> _______________________________________________
> Intel-gfx mailing list
> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/intel-gfx

-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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