From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值

---
 kernel/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/kernel/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c b/kernel/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
index 365d562..f3380b0 100644
--- a/kernel/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
+++ b/kernel/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
@@ -343,6 +343,9 @@
 	 * PLL_Output_Frequency: it is equal to DDR-Clock-Frequency * 2
 	 */
 	fref = prate / 2;
+	if (!fref)
+		return 0;
+
 	if (rate > 1000000000UL)
 		fout = 1000000000UL;
 	else
@@ -356,6 +359,9 @@
 		u64 tmp;
 		u32 delta;
 
+		if (!_prediv)
+			continue;
+
 		tmp = (u64)fout * _prediv;
 		do_div(tmp, fref);
 		_fbdiv = tmp;

--
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