sysreset: Add a way to find the last reset
We have a method to return the last reset as a string for humans, but not
a method that allows it to be used programmatically. Add a new method that
returns the last reset as an enum.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/sysreset/sysreset_sandbox.c b/drivers/sysreset/sysreset_sandbox.c
index 75004d9..7f6d418 100644
--- a/drivers/sysreset/sysreset_sandbox.c
+++ b/drivers/sysreset/sysreset_sandbox.c
@@ -36,6 +36,11 @@
return 0;
}
+int sandbox_warm_sysreset_get_last(struct udevice *dev)
+{
+ return SYSRESET_WARM;
+}
+
static int sandbox_sysreset_request(struct udevice *dev, enum sysreset_t type)
{
struct sandbox_state *state = state_get_current();
@@ -58,6 +63,9 @@
return -EACCES;
sandbox_exit();
break;
+ case SYSRESET_POWER_OFF:
+ if (!state->sysreset_allowed[type])
+ return -EACCES;
default:
return -ENOSYS;
}
@@ -74,9 +82,15 @@
return 0;
}
+int sandbox_sysreset_get_last(struct udevice *dev)
+{
+ return SYSRESET_COLD;
+}
+
static struct sysreset_ops sandbox_sysreset_ops = {
.request = sandbox_sysreset_request,
.get_status = sandbox_sysreset_get_status,
+ .get_last = sandbox_sysreset_get_last,
};
static const struct udevice_id sandbox_sysreset_ids[] = {
@@ -94,6 +108,7 @@
static struct sysreset_ops sandbox_warm_sysreset_ops = {
.request = sandbox_warm_sysreset_request,
.get_status = sandbox_warm_sysreset_get_status,
+ .get_last = sandbox_warm_sysreset_get_last,
};
static const struct udevice_id sandbox_warm_sysreset_ids[] = {