openwrt/target/linux/ipq806x/patches-6.1/122-02-clk-qcom-krait-cc-register-REAL-qsb-fixed-clock.patch

From fca6f185a9d9ef0892a719bc6da955b22d326ec7 Mon Sep 17 00:00:00 2001
From: Christian Marangi <[email protected]>
Date: Thu, 15 Sep 2022 02:24:33 +0200
Subject: [PATCH 4/9] clk: qcom: krait-cc: register REAL qsb fixed clock

With some tools it was discovered the real frequency of the qsb fixed
clock. While not 100% correct it's still better than using 1 as a dummy
frequency.
Correctly register the qsb fixed clock with the frequency of 225 MHz
instead of 1.

Signed-off-by: Christian Marangi <[email protected]>
---
 drivers/clk/qcom/krait-cc.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

--- a/drivers/clk/qcom/krait-cc.c
+++ b/drivers/clk/qcom/krait-cc.c
@@ -25,6 +25,8 @@ enum {
 	clks_max,
 };
 
+#define QSB_RATE	2250000000
+
 static unsigned int sec_mux_map[] = {
 	2,
 	0,
@@ -364,7 +366,7 @@ static int krait_cc_probe(struct platfor
 	 */
 	clk = clk_get(dev, "qsb");
 	if (IS_ERR(clk))
-		clk = clk_register_fixed_rate(dev, "qsb", NULL, 0, 1);
+		clk = clk_register_fixed_rate(dev, "qsb", NULL, 0, QSB_RATE);
 	if (IS_ERR(clk))
 		return PTR_ERR(clk);