From fca6f185a9d9ef0892a719bc6da955b22d326ec7 Mon Sep 17 00:00:00 2001 From: Christian Marangi 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 --- 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 @@ -15,6 +15,8 @@ #include "clk-krait.h" +#define QSB_RATE 2250000000 + static unsigned int sec_mux_map[] = { 2, 0, @@ -322,7 +324,7 @@ 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); @@ -378,7 +380,7 @@ static int krait_cc_probe(struct platfor */ cur_rate = clk_get_rate(l2_pri_mux_clk); aux_rate = 384000000; - if (cur_rate == 1) { + if (cur_rate == qsb_rate) { pr_info("L2 @ QSB rate. Forcing new rate.\n"); cur_rate = aux_rate; } @@ -389,7 +391,7 @@ static int krait_cc_probe(struct platfor for_each_possible_cpu(cpu) { clk = clks[cpu]; cur_rate = clk_get_rate(clk); - if (cur_rate == 1) { + if (cur_rate == qsb_rate) { pr_info("CPU%d @ QSB rate. Forcing new rate.\n", cpu); cur_rate = aux_rate; }