From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/clk/rockchip/regmap/clk-regmap-fractional-divider.c | 10 ++++++++++
1 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/kernel/drivers/clk/rockchip/regmap/clk-regmap-fractional-divider.c b/kernel/drivers/clk/rockchip/regmap/clk-regmap-fractional-divider.c
index 3d5f1d2..1acbc16 100644
--- a/kernel/drivers/clk/rockchip/regmap/clk-regmap-fractional-divider.c
+++ b/kernel/drivers/clk/rockchip/regmap/clk-regmap-fractional-divider.c
@@ -47,6 +47,16 @@
struct clk_hw *p_parent;
unsigned long scale;
+ if (!rate) {
+ *m = 0;
+ *n = 1;
+
+ dev_dbg(fd->dev, "%s rate:(%ld) maybe invalid frequency setting!\n",
+ clk_hw_get_name(hw), rate);
+
+ return;
+ }
+
p_rate = clk_hw_get_rate(clk_hw_get_parent(hw));
if ((rate * 20 > p_rate) && (p_rate % rate != 0)) {
p_parent = clk_hw_get_parent(clk_hw_get_parent(hw));
--
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