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openwrt-xburst/target/linux/octeon/patches-2.6.34/003-sched_clock_no_gcc44x_inline.patch
florian b0a16a20fe [octeon] add 2.6.34 support
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@22452 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-08-01 12:41:16 +00:00

41 lines
1.4 KiB
Diff

When building with a toolchain that is configured to produce 32-bits executable
by default, we will produce __lshrti3 in sched_clock() which is never resolved
so the kernel fails to link. Unconditionally use the inline assemble version
as suggested by David Daney, which works around the issue.
CC: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Florian Fainelli <florian@openwrt.org>
---
arch/mips/cavium-octeon/csrc-octeon.c | 8 --------
1 files changed, 0 insertions(+), 8 deletions(-)
diff --git a/arch/mips/cavium-octeon/csrc-octeon.c b/arch/mips/cavium-octeon/csrc-octeon.c
index 0bf4bbe..36400d2 100644
--- a/arch/mips/cavium-octeon/csrc-octeon.c
+++ b/arch/mips/cavium-octeon/csrc-octeon.c
@@ -53,7 +53,6 @@ static struct clocksource clocksource_mips = {
unsigned long long notrace sched_clock(void)
{
/* 64-bit arithmatic can overflow, so use 128-bit. */
-#if (__GNUC__ < 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ <= 3))
u64 t1, t2, t3;
unsigned long long rv;
u64 mult = clocksource_mips.mult;
@@ -73,13 +72,6 @@ unsigned long long notrace sched_clock(void)
: [cnt] "r" (cnt), [mult] "r" (mult), [shift] "r" (shift)
: "hi", "lo");
return rv;
-#else
- /* GCC > 4.3 do it the easy way. */
- unsigned int __attribute__((mode(TI))) t;
- t = read_c0_cvmcount();
- t = t * clocksource_mips.mult;
- return (unsigned long long)(t >> clocksource_mips.shift);
-#endif
}
void __init plat_time_init(void)
--
1.7.1