MIPS: Alchemy: preset loops_per_jiffy based on CPU clock

This was lost during the rewrite of clock framework support. Signed-off-by: Manuel Lauss <[email protected]> Cc: Linux-MIPS <[email protected]> Patchwork: https://patchwork.linux-mips.org/patch/9149/ Signed-off-by: Ralf Baechle <[email protected]>
jbg · Feb 20, 2015 · 45a848f · 45a848f
1 parent 51f105d
commit 45a848f
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diff --git a/arch/mips/alchemy/common/clock.c b/arch/mips/alchemy/common/clock.c
@@ -133,6 +133,12 @@ static unsigned long alchemy_clk_cpu_recalc(struct clk_hw *hw,
 	return t;
 }
 
+void __init alchemy_set_lpj(void)
+{
+	preset_lpj = alchemy_clk_cpu_recalc(NULL, ALCHEMY_ROOTCLK_RATE);
+	preset_lpj /= 2 * HZ;
+}
+
 static struct clk_ops alchemy_clkops_cpu = {
 	.recalc_rate	= alchemy_clk_cpu_recalc,
 };

diff --git a/arch/mips/alchemy/common/setup.c b/arch/mips/alchemy/common/setup.c
@@ -35,9 +35,12 @@
 
 extern void __init board_setup(void);
 extern void set_cpuspec(void);
+extern void __init alchemy_set_lpj(void);
 
 void __init plat_mem_setup(void)
 {
+	alchemy_set_lpj();
+
 	if (au1xxx_cpu_needs_config_od())
 		/* Various early Au1xx0 errata corrected by this */
 		set_c0_config(1 << 19); /* Set Config[OD] */