diff options
author | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-10-02 08:09:27 +0000 |
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committer | blogic <blogic@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2009-10-02 08:09:27 +0000 |
commit | 4fea8d2283645d50dc58ab28036713f2e16e5082 (patch) | |
tree | 60fe3dbf83bf1fb7dc3f87a1b7495bbd90d5ff54 /target/linux/ifxmips/patches/010-mips_clocksource_init_war.patch | |
parent | 9e0befc4f375fcf7886eac609ac82738c0e5129c (diff) |
bump ifxmips to .30
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17817 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ifxmips/patches/010-mips_clocksource_init_war.patch')
-rw-r--r-- | target/linux/ifxmips/patches/010-mips_clocksource_init_war.patch | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/target/linux/ifxmips/patches/010-mips_clocksource_init_war.patch b/target/linux/ifxmips/patches/010-mips_clocksource_init_war.patch deleted file mode 100644 index 61d9610cf4..0000000000 --- a/target/linux/ifxmips/patches/010-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; - |