clk: renesas: Add PE clock handling

[u-boot] / drivers / serial / serial-uclass.c

diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c
index 2e5116f7ceea21c85bb68f35351c07fcda7d9866..321d23ee93bf5c8d909e2309742eac28eb776671 100644 (file)
--- a/drivers/serial/serial-uclass.c
+++ b/drivers/serial/serial-uclass.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (c) 2014 The Chromium OS Authors.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #include <common.h>
@@ -74,6 +73,9 @@ static void serial_find_console_or_panic(void)
 {
        const void *blob = gd->fdt_blob;
        struct udevice *dev;
+#ifdef CONFIG_SERIAL_SEARCH_ALL
+       int ret;
+#endif
 
        if (CONFIG_IS_ENABLED(OF_PLATDATA)) {
                uclass_first_device(UCLASS_SERIAL, &dev);
@@ -104,20 +106,43 @@ static void serial_find_console_or_panic(void)
                 * from 1!).
                 *
                 * Failing that, get the device with sequence number 0, or in
-                * extremis just the first serial device we can find. But we
-                * insist on having a console (even if it is silent).
+                * extremis just the first working serial device we can find.
+                * But we insist on having a console (even if it is silent).
                 */
 #ifdef CONFIG_CONS_INDEX
 #define INDEX (CONFIG_CONS_INDEX - 1)
 #else
 #define INDEX 0
 #endif
+
+#ifdef CONFIG_SERIAL_SEARCH_ALL
+               if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
+                   !uclass_get_device(UCLASS_SERIAL, INDEX, &dev)) {
+                       if (dev->flags & DM_FLAG_ACTIVATED) {
+                               gd->cur_serial_dev = dev;
+                               return;
+                       }
+               }
+
+               /* Search for any working device */
+               for (ret = uclass_first_device_check(UCLASS_SERIAL, &dev);
+                    dev;
+                    ret = uclass_next_device_check(&dev)) {
+                       if (!ret) {
+                               /* Device did succeed probing */
+                               gd->cur_serial_dev = dev;
+                               return;
+                       }
+               }
+#else
                if (!uclass_get_device_by_seq(UCLASS_SERIAL, INDEX, &dev) ||
                    !uclass_get_device(UCLASS_SERIAL, INDEX, &dev) ||
                    (!uclass_first_device(UCLASS_SERIAL, &dev) && dev)) {
                        gd->cur_serial_dev = dev;
                        return;
                }
+#endif
+
 #undef INDEX
        }