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SubjectRe: [PATCH v8 4/8] drm/rockchip: dw-mipi-dsi: Fix error handling path
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Hi Jeffy, Thierry, Enric,

Am Mittwoch, 10. Januar 2018, 17:23:44 CET schrieb Thierry Escande:
> From: Jeffy Chen <jeffy.chen@rock-chips.com>
>
> Add missing pm_runtime_disable() in bind()'s error handling path.
>
> Also cleanup encoder & connector in unbind().

Can you please split all these surprise "Also" sections into separate
patches?

It looks like this is true for all following patch to some degree and
the inno-hdmi patch even has a unbind reordering-change without
mentioning it in the commit message.


Thanks
Heiko

> Fixes: 80a9a059d4e4 ("drm/rockchip/dsi: add dw-mipi power domain support")
> Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
> Signed-off-by: Thierry Escande <thierry.escande@collabora.com>
> ---
> drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 21 +++++++++++++--------
> 1 file changed, 13 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index b1fe0639227e..78e6b7919bf7
> 100644
> --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c
> @@ -1282,7 +1282,7 @@ static int dw_mipi_dsi_bind(struct device *dev, struct
> device *master, ret = dw_mipi_dsi_register(drm, dsi);
> if (ret) {
> DRM_DEV_ERROR(dev, "Failed to register mipi_dsi: %d\n", ret);
> - goto err_pllref;
> + goto err_disable_pllref;
> }
>
> dsi->dsi_host.ops = &dw_mipi_dsi_host_ops;
> @@ -1290,24 +1290,25 @@ static int dw_mipi_dsi_bind(struct device *dev,
> struct device *master, ret = mipi_dsi_host_register(&dsi->dsi_host);
> if (ret) {
> DRM_DEV_ERROR(dev, "Failed to register MIPI host: %d\n", ret);
> - goto err_cleanup;
> + goto err_disable_pm_runtime;
> }
>
> if (!dsi->panel) {
> ret = -EPROBE_DEFER;
> - goto err_mipi_dsi_host;
> + goto err_unreg_mipi_dsi_host;
> }
>
> dev_set_drvdata(dev, dsi);
> pm_runtime_enable(dev);
> return 0;
>
> -err_mipi_dsi_host:
> +err_unreg_mipi_dsi_host:
> mipi_dsi_host_unregister(&dsi->dsi_host);
> -err_cleanup:
> - drm_encoder_cleanup(&dsi->encoder);
> - drm_connector_cleanup(&dsi->connector);
> -err_pllref:
> +err_disable_pm_runtime:
> + pm_runtime_disable(dev);
> + dsi->connector.funcs->destroy(&dsi->connector);
> + dsi->encoder.funcs->destroy(&dsi->encoder);
> +err_disable_pllref:
> clk_disable_unprepare(dsi->pllref_clk);
> return ret;
> }
> @@ -1319,6 +1320,10 @@ static void dw_mipi_dsi_unbind(struct device *dev,
> struct device *master,
>
> mipi_dsi_host_unregister(&dsi->dsi_host);
> pm_runtime_disable(dev);
> +
> + dsi->connector.funcs->destroy(&dsi->connector);
> + dsi->encoder.funcs->destroy(&dsi->encoder);
> +
> clk_disable_unprepare(dsi->pllref_clk);
> }


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