X-Git-Url: http://git.ozo.com/?p=openwrt-10.03%2F.git;a=blobdiff_plain;f=target%2Flinux%2Fatheros%2Fpatches-2.6.30%2F002-mips_clocksource_init_war.patch;fp=target%2Flinux%2Fatheros%2Fpatches-2.6.30%2F002-mips_clocksource_init_war.patch;h=0000000000000000000000000000000000000000;hp=03a66ff1330c1b5566ad0819e2e76c646fe0f3be;hb=0fa5c4702ddea19e42ad8d12eb442af5afb4b8e7;hpb=971d0fcaeebf9801d16b6f19b5de2942272c54b2 diff --git a/target/linux/atheros/patches-2.6.30/002-mips_clocksource_init_war.patch b/target/linux/atheros/patches-2.6.30/002-mips_clocksource_init_war.patch deleted file mode 100644 index 03a66ff13..000000000 --- a/target/linux/atheros/patches-2.6.30/002-mips_clocksource_init_war.patch +++ /dev/null @@ -1,56 +0,0 @@ ---- a/arch/mips/kernel/cevt-r4k.c -+++ b/arch/mips/kernel/cevt-r4k.c -@@ -15,6 +15,22 @@ - #include - - /* -+ * Compare interrupt can be routed and latched outside the core, -+ * so a single execution hazard barrier may not be enough to give -+ * it time to clear as seen in the Cause register. 4 time the -+ * pipeline depth seems reasonably conservative, and empirically -+ * works better in configurations with high CPU/bus clock ratios. -+ */ -+ -+#define compare_change_hazard() \ -+ do { \ -+ irq_disable_hazard(); \ -+ irq_disable_hazard(); \ -+ irq_disable_hazard(); \ -+ irq_disable_hazard(); \ -+ } while (0) -+ -+/* - * The SMTC Kernel for the 34K, 1004K, et. al. replaces several - * of these routines with SMTC-specific variants. - */ -@@ -30,6 +46,7 @@ static int mips_next_event(unsigned long - cnt = read_c0_count(); - cnt += delta; - write_c0_compare(cnt); -+ compare_change_hazard(); - res = ((int)(read_c0_count() - cnt) > 0) ? -ETIME : 0; - return res; - } -@@ -99,22 +116,6 @@ static int c0_compare_int_pending(void) - return (read_c0_cause() >> cp0_compare_irq) & 0x100; - } - --/* -- * Compare interrupt can be routed and latched outside the core, -- * so a single execution hazard barrier may not be enough to give -- * it time to clear as seen in the Cause register. 4 time the -- * pipeline depth seems reasonably conservative, and empirically -- * works better in configurations with high CPU/bus clock ratios. -- */ -- --#define compare_change_hazard() \ -- do { \ -- irq_disable_hazard(); \ -- irq_disable_hazard(); \ -- irq_disable_hazard(); \ -- irq_disable_hazard(); \ -- } while (0) -- - int c0_compare_int_usable(void) - { - unsigned int delta;