[PATCH 1/1] clk: socfpga: gate: Fix of by factor 2 for serial console

From: Benedikt Spranger
Date: Thu Oct 05 2023 - 09:59:19 EST


Commit 9607beb917df ("clk: socfpga: gate: Add a determine_rate hook")
introduce a specific determine_rate hook. As a result the calculated
clock for the serial IP is off by factor 2 after that i.e. if the system
configures a baudrate of 115200 it is set physicaly to 57600.

Change the determine_rate hook to the reparent variant
__clk_mux_determine_rate() to fix the issue.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 9607beb917df ("clk: socfpga: gate: Add a determine_rate hook")
Signed-off-by: Benedikt Spranger <b.spranger@xxxxxxxxxxxxx>
---
drivers/clk/socfpga/clk-gate.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/clk/socfpga/clk-gate.c b/drivers/clk/socfpga/clk-gate.c
index 8dd601bd8538..47500976f987 100644
--- a/drivers/clk/socfpga/clk-gate.c
+++ b/drivers/clk/socfpga/clk-gate.c
@@ -110,7 +110,7 @@ static unsigned long socfpga_clk_recalc_rate(struct clk_hw *hwclk,

static struct clk_ops gateclk_ops = {
.recalc_rate = socfpga_clk_recalc_rate,
- .determine_rate = clk_hw_determine_rate_no_reparent,
+ .determine_rate = __clk_mux_determine_rate,
.get_parent = socfpga_clk_get_parent,
.set_parent = socfpga_clk_set_parent,
};
--
2.42.0