mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-26 11:39:33 +02:00
b1d4c14fc2
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19516 3c298f89-4303-0410-b956-a3cf2f4a3e73
42 lines
1.3 KiB
Diff
42 lines
1.3 KiB
Diff
Fix the usage of get_c0_compare_int: override cp0_compare_irq if the returned
|
|
value is in the MIPS CPU IRQ range to ensure that c0_compare_int_usable()
|
|
still works.
|
|
|
|
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
|
|
|
|
Index: linux-2.6.32.7/arch/mips/kernel/cevt-r4k.c
|
|
===================================================================
|
|
--- linux-2.6.32.7.orig/arch/mips/kernel/cevt-r4k.c 2010-01-29 00:06:20.000000000 +0100
|
|
+++ linux-2.6.32.7/arch/mips/kernel/cevt-r4k.c 2010-02-03 16:59:28.310430064 +0100
|
|
@@ -168,20 +168,23 @@
|
|
struct clock_event_device *cd;
|
|
unsigned int irq;
|
|
|
|
- if (!cpu_has_counter || !mips_hpt_frequency)
|
|
- return -ENXIO;
|
|
-
|
|
- if (!c0_compare_int_usable())
|
|
- return -ENXIO;
|
|
-
|
|
/*
|
|
* With vectored interrupts things are getting platform specific.
|
|
* get_c0_compare_int is a hook to allow a platform to return the
|
|
* interrupt number of it's liking.
|
|
*/
|
|
irq = MIPS_CPU_IRQ_BASE + cp0_compare_irq;
|
|
- if (get_c0_compare_int)
|
|
+ if (get_c0_compare_int) {
|
|
irq = get_c0_compare_int();
|
|
+ if ((irq >= MIPS_CPU_IRQ_BASE) && (irq < MIPS_CPU_IRQ_BASE + 8))
|
|
+ cp0_compare_irq = irq - MIPS_CPU_IRQ_BASE;
|
|
+ }
|
|
+
|
|
+ if (!cpu_has_counter || !mips_hpt_frequency)
|
|
+ return -ENXIO;
|
|
+
|
|
+ if (!c0_compare_int_usable())
|
|
+ return -ENXIO;
|
|
|
|
cd = &per_cpu(mips_clockevent_device, cpu);
|
|
|