[patch 32/38] powerpc/spufs: Use mftb() directly

Thomas Gleixner tglx at kernel.org
Fri Apr 10 22:21:04 AEST 2026


There is no reason to indirect via get_cycles(), which is about to be
removed.

Use mftb() directly.

Signed-off-by: Thomas Gleixner <tglx at kernel.org>
Cc: Michael Ellerman <mpe at ellerman.id.au>
Cc: linuxppc-dev at lists.ozlabs.org
---
 arch/powerpc/platforms/cell/spufs/switch.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/arch/powerpc/platforms/cell/spufs/switch.c
+++ b/arch/powerpc/platforms/cell/spufs/switch.c
@@ -34,6 +34,7 @@
 #include <asm/spu_priv1.h>
 #include <asm/spu_csa.h>
 #include <asm/mmu_context.h>
+#include <asm/time.h>
 
 #include "spufs.h"
 
@@ -279,7 +280,7 @@ static inline void save_timebase(struct
 	 *    Read PPE Timebase High and Timebase low registers
 	 *    and save in CSA.  TBD.
 	 */
-	csa->suspend_time = get_cycles();
+	csa->suspend_time = mftb();
 }
 
 static inline void remove_other_spu_access(struct spu_state *csa,
@@ -1261,7 +1262,7 @@ static inline void setup_decr(struct spu
 	 *     in LSCSA.
 	 */
 	if (csa->priv2.mfc_control_RW & MFC_CNTL_DECREMENTER_RUNNING) {
-		cycles_t resume_time = get_cycles();
+		cycles_t resume_time = mftb();
 		cycles_t delta_time = resume_time - csa->suspend_time;
 
 		csa->lscsa->decr_status.slot[0] = SPU_DECR_STATUS_RUNNING;



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