diff options
Diffstat (limited to 'drivers/gpu/drm/tilcdc/tilcdc_drv.c')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_drv.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index 1e8f273f7c8..40b71da5a21 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -26,6 +26,7 @@ #include "drm_fb_helper.h" static LIST_HEAD(module_list); +static bool slave_probing; void tilcdc_module_init(struct tilcdc_module *mod, const char *name, const struct tilcdc_module_ops *funcs) @@ -41,6 +42,11 @@ void tilcdc_module_cleanup(struct tilcdc_module *mod) list_del(&mod->list); } +void tilcdc_slave_probedefer(bool defered) +{ + slave_probing = defered; +} + static struct of_device_id tilcdc_of_match[]; static struct drm_framebuffer *tilcdc_fb_create(struct drm_device *dev, @@ -580,6 +586,10 @@ static int tilcdc_pdev_probe(struct platform_device *pdev) return -ENXIO; } + /* defer probing if slave is in deferred probing */ + if (slave_probing == true) + return -EPROBE_DEFER; + return drm_platform_init(&tilcdc_driver, pdev); } |