reset: reset-hisilicon: also handle #reset-cells = <2>
It's also valid to have #reset-cells = <2> while the third arg defaults
to ASSERT_SET.
Signed-off-by: Yang Xiwen <forbidden405@outlook.com>
diff --git a/drivers/reset/reset-hisilicon.c b/drivers/reset/reset-hisilicon.c
index 8152cec..85e02b2 100644
--- a/drivers/reset/reset-hisilicon.c
+++ b/drivers/reset/reset-hisilicon.c
@@ -49,7 +49,18 @@
static int hisi_reset_of_xlate(struct reset_ctl *rst,
struct ofnode_phandle_args *args)
{
- if (args->args_count != 3) {
+ unsigned long polarity;
+
+ switch (args->args_count) {
+ case 2:
+ polarity = ASSERT_SET;
+ break;
+
+ case 3:
+ polarity = args->args[2];
+ break;
+
+ default:
debug("Invalid args_count: %d\n", args->args_count);
return -EINVAL;
}
@@ -57,7 +68,7 @@
/* Use .data field as register offset and .id field as bit shift */
rst->data = args->args[0];
rst->id = args->args[1];
- rst->polarity = args->args[2];
+ rst->polarity = polarity;
return 0;
}