Merge branches 'sh/intc-extension', 'sh/dmaengine', 'sh/serial-dma' and 'sh/clkfwk'

[firefly-linux-kernel-4.4.55.git] / drivers / base / platform.c

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 4b4b565c835f9c1c6da550fdb7d69ae27396fbf0..d10230adeb3650fe5ec38a51c2ef2434dff5da30 100644 (file)
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1254,6 +1254,26 @@ static int __init early_platform_driver_probe_id(char *class_str,
                }
 
                if (match) {
+                       /*
+                        * Set up a sensible init_name to enable
+                        * dev_name() and others to be used before the
+                        * rest of the driver core is initialized.
+                        */
+                       if (!match->dev.init_name) {
+                               if (match->id != -1)
+                                       match->dev.init_name =
+                                               kasprintf(GFP_KERNEL, "%s.%d",
+                                                         match->name,
+                                                         match->id);
+                               else
+                                       match->dev.init_name =
+                                               kasprintf(GFP_KERNEL, "%s",
+                                                         match->name);
+
+                               if (!match->dev.init_name)
+                                       return -ENOMEM;
+                       }
+
                        if (epdrv->pdrv->probe(match))
                                pr_warning("%s: unable to probe %s early.\n",
                                           class_str, match->name);