[ar71xx] remove 2.6.26 specific stuff

[openwrt-10.03/.git] / target / linux / ar71xx / patches-2.6.26 / 902-mips_clocksource_init_war.patch

diff --git a/target/linux/ar71xx/patches-2.6.26/902-mips_clocksource_init_war.patch b/target/linux/ar71xx/patches-2.6.26/902-mips_clocksource_init_war.patch
deleted file mode 100644 (file)
index 61d9610..0000000
--- a/target/linux/ar71xx/patches-2.6.26/902-mips_clocksource_init_war.patch
+++ /dev/null
@@ -1,65 +0,0 @@
---- a/arch/mips/kernel/cevt-r4k.c
-+++ b/arch/mips/kernel/cevt-r4k.c
-@@ -13,6 +13,22 @@
- #include <asm/smtc_ipi.h>
- #include <asm/time.h>
- 
-+/*
-+ * 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)
-+
- static int mips_next_event(unsigned long delta,
-                            struct clock_event_device *evt)
- {
-@@ -28,6 +44,7 @@ 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;
- #ifdef CONFIG_MIPS_MT_SMTC
-       evpe(vpflags);
-@@ -187,7 +204,7 @@ static int c0_compare_int_usable(void)
-        */
-       if (c0_compare_int_pending()) {
-               write_c0_compare(read_c0_count());
--              irq_disable_hazard();
-+              compare_change_hazard();
-               if (c0_compare_int_pending())
-                       return 0;
-       }
-@@ -196,7 +213,7 @@ static int c0_compare_int_usable(void)
-               cnt = read_c0_count();
-               cnt += delta;
-               write_c0_compare(cnt);
--              irq_disable_hazard();
-+              compare_change_hazard();
-               if ((int)(read_c0_count() - cnt) < 0)
-                   break;
-               /* increase delta if the timer was already expired */
-@@ -205,11 +222,12 @@ static int c0_compare_int_usable(void)
-       while ((int)(read_c0_count() - cnt) <= 0)
-               ;       /* Wait for expiry  */
- 
-+      compare_change_hazard();
-       if (!c0_compare_int_pending())
-               return 0;
- 
-       write_c0_compare(read_c0_count());
--      irq_disable_hazard();
-+      compare_change_hazard();
-       if (c0_compare_int_pending())
-               return 0;
-