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[v5,03/22] sh: set preset_lpj

Message ID 1467564402-2649-4-git-send-email-ysato@users.sourceforge.jp (mailing list archive)
State New, archived
Headers show

Commit Message

Yoshinori Sato July 3, 2016, 4:46 p.m. UTC 
Generic callibrate delay required this value.

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
---
 arch/sh/boards/of-generic.c | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

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)