From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c b/kernel/drivers/phy/rockchip/phy-rockchip-inno-dsidphy.c
index 04007a0..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
@@ -355,6 +358,9 @@
for (_prediv = min_prediv; _prediv <= max_prediv; _prediv++) {
u64 tmp;
u32 delta;
+
+ if (!_prediv)
+ continue;
tmp = (u64)fout * _prediv;
do_div(tmp, fref);
@@ -625,7 +631,6 @@
inno_mipi_dphy_reset(inno);
inno_mipi_dphy_timing_init(inno);
- inno_mipi_dphy_lane_enable(inno);
inno_mipi_dphy_lane_enable(inno);
}
--
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