diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mipi_dsi.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mipi_dsi.c | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_mipi_dsi.c b/drivers/gpu/drm/drm_mipi_dsi.c index 5d7243da2323..42a7aacf7a2f 100644 --- a/drivers/gpu/drm/drm_mipi_dsi.c +++ b/drivers/gpu/drm/drm_mipi_dsi.c @@ -47,7 +47,17 @@ static int mipi_dsi_device_match(struct device *dev, struct device_driver *drv) { - return of_driver_match_device(dev, drv); + struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev); + + /* attempt OF style match */ + if (of_driver_match_device(dev, drv)) + return 1; + + /* compare DSI device and driver names */ + if (!strcmp(dsi->name, drv->name)) + return 1; + + return 0; } static const struct dev_pm_ops mipi_dsi_device_pm_ops = { @@ -138,6 +148,11 @@ of_mipi_dsi_device_add(struct mipi_dsi_host *host, struct device_node *node) int ret; u32 reg; + if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) { + dev_err(dev, "modalias failure on %s\n", node->full_name); + return ERR_PTR(-EINVAL); + } + ret = of_property_read_u32(node, "reg", ®); if (ret) { dev_err(dev, "device node %s has no valid reg property: %d\n", @@ -197,6 +212,7 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host, dsi->dev.of_node = info->node; dsi->channel = info->channel; + strlcpy(dsi->name, info->type, sizeof(dsi->name)); ret = mipi_dsi_device_add(dsi); if (ret) { |