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authorDan Williams <dan.j.williams@intel.com>2007-04-29 10:31:21 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-04-30 16:24:47 +0200
commit8903fcce9b91bab6bb98adbb57a4edfc372c8bff (patch)
tree2afd7bd442724e35da774b4c1bef016b74814301 /arch/arm/plat-iop
parent[ARM] getuser.S and putuser.S don't need thread_info.h nor asm-offsets.h (diff)
downloadlinux-8903fcce9b91bab6bb98adbb57a4edfc372c8bff.tar.xz
linux-8903fcce9b91bab6bb98adbb57a4edfc372c8bff.zip
[ARM] 4340/1: iop: fix iop_getttimeoffset
Fix a typo which causes a necessary cpwait to be missed on iop3xx, Michael Brunner <mibru@gmx.de> Save a register in the assembly routine, rmk Cc: Lennert Buytenhek <kernel@wantstofly.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/plat-iop')
-rw-r--r--arch/arm/plat-iop/time.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/arm/plat-iop/time.c b/arch/arm/plat-iop/time.c
index 16300adfb4de..0cc26da034a1 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -32,22 +32,22 @@ static unsigned long next_jiffy_time;
unsigned long iop_gettimeoffset(void)
{
- unsigned long offset, temp1, temp2;
+ unsigned long offset, temp;
/* enable cp6, if necessary, to avoid taking the overhead of an
* undefined instruction trap
*/
asm volatile (
"mrc p15, 0, %0, c15, c1, 0\n\t"
- "ands %1, %0, #(1 << 6)\n\t"
+ "tst %0, #(1 << 6)\n\t"
"orreq %0, %0, #(1 << 6)\n\t"
"mcreq p15, 0, %0, c15, c1, 0\n\t"
-#ifdef CONFIG_XSCALE
+#ifdef CONFIG_CPU_XSCALE
"mrceq p15, 0, %0, c15, c1, 0\n\t"
"moveq %0, %0\n\t"
"subeq pc, pc, #4\n\t"
#endif
- : "=r"(temp1), "=r"(temp2) : : "cc");
+ : "=r"(temp) : : "cc");
offset = next_jiffy_time - read_tcr1();