Hi On Mon, Sep 8, 2014 at 10:43 AM, Boris BREZILLON <boris.brezillon@xxxxxxxxxxxxxxxxxx> wrote: [snip] > +static int atmel_hlcdc_dc_drm_probe(struct platform_device *pdev) > +{ > + int ret; > + > + ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); > + if (ret) > + return ret; > + > + ret = drm_platform_init(&atmel_hlcdc_dc_driver, pdev); > + if (ret) > + return ret; Please avoid any use of drm_platform_*(). Use drm_dev_alloc(), drm_dev_register() directly. See my response on "[PATCH v3 1/5] drm/rockchip: Add basic drm driver": for details. Also have a look at the tegra driver how to do it. > + > + return 0; > +} > + > +static int atmel_hlcdc_dc_drm_remove(struct platform_device *pdev) > +{ > + drm_put_dev(platform_get_drvdata(pdev)); Same here: please use dev_dev_*() directly: drm_dev_unregister(ddev); drm_dev_unref(ddev); Thanks David -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html