Merge git://git.denx.de/u-boot-spi

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

diff --git a/drivers/reset/reset-uclass.c b/drivers/reset/reset-uclass.c
index 4fd82b9cd925aa110101c53fcb323a2e8751d920..307a29705f154640273521ca39fc7d70f8cc65c4 100644 (file)
--- a/drivers/reset/reset-uclass.c
+++ b/drivers/reset/reset-uclass.c
@@ -42,6 +42,7 @@ int reset_get_by_index(struct udevice *dev, int index,
 
        debug("%s(dev=%p, index=%d, reset_ctl=%p)\n", __func__, dev, index,
              reset_ctl);
+       reset_ctl->dev = NULL;
 
        ret = dev_read_phandle_with_args(dev, "resets", "#reset-cells", 0,
                                          index, &args);
@@ -87,6 +88,7 @@ int reset_get_by_name(struct udevice *dev, const char *name,
 
        debug("%s(dev=%p, name=%s, reset_ctl=%p)\n", __func__, dev, name,
              reset_ctl);
+       reset_ctl->dev = NULL;
 
        index = dev_read_stringlist_search(dev, "reset-names", name);
        if (index < 0) {
@@ -133,6 +135,29 @@ int reset_deassert(struct reset_ctl *reset_ctl)
        return ops->rst_deassert(reset_ctl);
 }
 
+int reset_release_all(struct reset_ctl *reset_ctl, int count)
+{
+       int i, ret;
+
+       for (i = 0; i < count; i++) {
+               debug("%s(reset_ctl[%d]=%p)\n", __func__, i, &reset_ctl[i]);
+
+               /* check if reset has been previously requested */
+               if (!reset_ctl[i].dev)
+                       continue;
+
+               ret = reset_assert(&reset_ctl[i]);
+               if (ret)
+                       return ret;
+
+               ret = reset_free(&reset_ctl[i]);
+               if (ret)
+                       return ret;
+       }
+
+       return 0;
+}
+
 UCLASS_DRIVER(reset) = {
        .id             = UCLASS_RESET,
        .name           = "reset",