Merge tag 'dm-9oct18' of git://git.denx.de/u-boot-dm

[platform/kernel/u-boot.git] / drivers / sysreset / sysreset-uclass.c

diff --git a/drivers/sysreset/sysreset-uclass.c b/drivers/sysreset/sysreset-uclass.c
index 840eab6..ad831c7 100644 (file)
--- a/drivers/sysreset/sysreset-uclass.c
+++ b/drivers/sysreset/sysreset-uclass.c
@@ -4,6 +4,8 @@
  * Written by Simon Glass <sjg@chromium.org>
  */
 
+#define LOG_CATEGORY UCLASS_SYSRESET
+
 #include <common.h>
 #include <sysreset.h>
 #include <dm.h>
@@ -24,6 +26,26 @@ int sysreset_request(struct udevice *dev, enum sysreset_t type)
        return ops->request(dev, type);
 }
 
+int sysreset_get_status(struct udevice *dev, char *buf, int size)
+{
+       struct sysreset_ops *ops = sysreset_get_ops(dev);
+
+       if (!ops->get_status)
+               return -ENOSYS;
+
+       return ops->get_status(dev, buf, size);
+}
+
+int sysreset_get_last(struct udevice *dev)
+{
+       struct sysreset_ops *ops = sysreset_get_ops(dev);
+
+       if (!ops->get_last)
+               return -ENOSYS;
+
+       return ops->get_last(dev);
+}
+
 int sysreset_walk(enum sysreset_t type)
 {
        struct udevice *dev;
@@ -43,6 +65,26 @@ int sysreset_walk(enum sysreset_t type)
        return ret;
 }
 
+int sysreset_get_last_walk(void)
+{
+       struct udevice *dev;
+       int value = -ENOENT;
+
+       for (uclass_first_device(UCLASS_SYSRESET, &dev);
+            dev;
+            uclass_next_device(&dev)) {
+               int ret;
+
+               ret = sysreset_get_last(dev);
+               if (ret >= 0) {
+                       value = ret;
+                       break;
+               }
+       }
+
+       return value;
+}
+
 void sysreset_walk_halt(enum sysreset_t type)
 {
        int ret;
@@ -54,7 +96,7 @@ void sysreset_walk_halt(enum sysreset_t type)
                mdelay(100);
 
        /* Still no reset? Give up */
-       debug("System reset not supported on this platform\n");
+       log_err("System reset not supported on this platform\n");
        hang();
 }
 
@@ -69,6 +111,8 @@ void reset_cpu(ulong addr)
 
 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
+       printf("resetting ...\n");
+
        sysreset_walk_halt(SYSRESET_COLD);
 
        return 0;