From: Alexey Brodkin Date: Mon, 1 Feb 2016 13:31:14 +0000 (+0300) Subject: ARC: use fixed frequencies in arc_set_early_base_baud() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0e6e9b648d802fe6641fe543b6dc4828baded159;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git ARC: use fixed frequencies in arc_set_early_base_baud() UARTs usually have fixed clock so we're switching to use of constant values instead of something derived from core clock frequency. Among other things this will allow us to get rid of arc_{get|set}_core_freq() and switch to generic clock framework later on. Acked-by: Christian Ruppert Signed-off-by: Alexey Brodkin Signed-off-by: Vineet Gupta --- diff --git a/arch/arc/kernel/devtree.c b/arch/arc/kernel/devtree.c index 7e844fd8213f..fecbc96df828 100644 --- a/arch/arc/kernel/devtree.c +++ b/arch/arc/kernel/devtree.c @@ -28,14 +28,12 @@ unsigned int __init arc_early_base_baud(void) static void __init arc_set_early_base_baud(unsigned long dt_root) { - unsigned int core_clk = arc_get_core_freq(); - if (of_flat_dt_is_compatible(dt_root, "abilis,arc-tb10x")) - arc_base_baud = core_clk/3; + arc_base_baud = 166666666; /* Fixed 166.6MHz clk (TB10x) */ else if (of_flat_dt_is_compatible(dt_root, "snps,arc-sdp")) arc_base_baud = 33333333; /* Fixed 33MHz clk (AXS10x) */ else - arc_base_baud = core_clk; + arc_base_baud = 50000000; /* Fixed default 50MHz */ } #else #define arc_set_early_base_baud(dt_root)