Hi Stephen,
在 2020/5/28 上午9:13, Stephen Boyd 写道:
Quoting Zhou Yanjie (2020-05-27 10:56:33)
diff --git a/drivers/clk/ingenic/x1830-cgu.c b/drivers/clk/ingenic/x1830-cgu.c
new file mode 100644
index 000000000000..29a637f4a2cc
--- /dev/null
+++ b/drivers/clk/ingenic/x1830-cgu.c
@@ -0,0 +1,443 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * X1830 SoC CGU driver
+ * Copyright (c) 2019 \u5468\u7430\u6770 (Zhou Yanjie) <zhouyanjie@xxxxxxxxxxxxxx>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
Add linux/io.h here.
Sure.
+#include <linux/of.h>
+
+#include <dt-bindings/clock/x1830-cgu.h>
+
+#include "cgu.h"
[...]
+ return;
+ }
+
+ ingenic_cgu_register_syscore_ops(cgu);
+}
+CLK_OF_DECLARE_DRIVER(x1830_cgu, "ingenic,x1830-cgu", x1830_cgu_init);
Same question about why this is DECLARE_DRIVER.
CGU has some children devices, this is useful for probing children
devices in the case where the device node is compatible with
"simple-mfd" (see commit 03d570e1a4dc for a reference).
Thanks and best regards!
