avr32: fix kernel panic when using ondemand cpufreq givernor

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11305 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 25 insertions, 0 deletions

diff --git a/target/linux/avr32/patches/120-cpufreq_panic.patch b/target/linux/avr32/patches/120-cpufreq_panic.patch
new file mode 100644
index 0000000000..fe9576ce64
--- /dev/null
+++ b/target/linux/avr32/patches/120-cpufreq_panic.patch
@@ -0,0 +1,25 @@
+From: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
+Date: Tue, 27 May 2008 07:37:42 +0000 (+0200)
+Subject: avr32: Fix cpufreq oops when ondemand governor is default
+X-Git-Url: http://git.kernel.org/?p=linux%2Fkernel%2Fgit%2Fhskinnemoen%2Favr32-2.6.git;a=commitdiff_plain;h=f04d264afc51acdffeba9cdf3baf04116687680c
+
+avr32: Fix cpufreq oops when ondemand governor is default
+
+Move the AP7 cpufreq init to late_initcall() so that we don't try to
+bring up cpufreq until the governor is ready. x86 also uses
+late_initcall() for this.
+
+Signed-off-by: Haavard Skinnemoen <haavard.skinnemoen@atmel.com>
+---
+
+diff --git a/arch/avr32/mach-at32ap/cpufreq.c b/arch/avr32/mach-at32ap/cpufreq.c
+index 235524b..5dd8d25 100644
+--- a/arch/avr32/mach-at32ap/cpufreq.c
++++ b/arch/avr32/mach-at32ap/cpufreq.c
+@@ -108,5 +108,4 @@ static int __init at32_cpufreq_init(void)
+ {
+ 	return cpufreq_register_driver(&at32_driver);
+ }
+-
+-arch_initcall(at32_cpufreq_init);
++late_initcall(at32_cpufreq_init);