[PATCH v3 02/19] sh: set preset_lpj
From: Yoshinori Sato
Date: Tue Jun 28 2016 - 02:36:48 EST
Generic callibrate delay required this value.
Signed-off-by: Yoshinori Sato <ysato@xxxxxxxxxxxxxxxxxxxx>
---
arch/sh/boards/of-generic.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/sh/boards/of-generic.c b/arch/sh/boards/of-generic.c
index 3db4294..2d3cda3 100644
--- a/arch/sh/boards/of-generic.c
+++ b/arch/sh/boards/of-generic.c
@@ -128,6 +128,8 @@ static void __init sh_of_time_init(void)
static void __init sh_of_setup(char **cmdline_p)
{
struct device_node *root;
+ struct device_node *cpu;
+ u32 freq;
board_time_init = sh_of_time_init;
@@ -139,6 +141,10 @@ static void __init sh_of_setup(char **cmdline_p)
}
sh_of_smp_probe();
+
+ cpu = of_find_node_by_name(NULL, "cpu");
+ if (!of_property_read_u32(cpu, "clock-frequency", &freq))
+ preset_lpj = freq / CONFIG_HZ / 2;
}
static int sh_of_irq_demux(int irq)
--
2.7.0