Author: ian
Date: Sun Mar 2 21:25:32 2014
New Revision: 262696
URL: http://svnweb.freebsd.org/changeset/base/262696
Log:
Add __attribute__((used)) so that the delay implementation doesn't get
optimized away as unreferenced, causing linker errors when trying to
resolve the weak reference to the missing function.
Modified:
head/sys/arm/arm/mpcore_timer.c
Modified: head/sys/arm/arm/mpcore_timer.c
==============================================================================
--- head/sys/arm/arm/mpcore_timer.c Sun Mar 2 19:46:03 2014
(r262695)
+++ head/sys/arm/arm/mpcore_timer.c Sun Mar 2 21:25:32 2014
(r262696)
@@ -370,6 +370,7 @@ DRIVER_MODULE(mp_tmr, simplebus, arm_tmr
* nothing
*/
static void
+__attribute__((used)) /* Must emit function code for the weak ref below. */
arm_tmr_DELAY(int usec)
{
int32_t counts_per_usec;
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