From: Imre Deak <imre.deak@intel.com>
Date: Wed, 11 Jan 2012 14:07:49 +0000 (+0200)
Subject: gfx: pvr: optimize clearing sync counter trace info struct
X-Git-Tag: 2.1b_release~359
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=46b115e1f92abef87607930b1c22546c322777df;p=kernel%2Fkernel-mfld-blackbay.git

gfx: pvr: optimize clearing sync counter trace info struct

Clearing this struct is necessary to suppress tracing for a given sync
counter. But for this we don't need to bzero the whole sync counter info
struct it's enough to set the address to zero.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Pauli Nieminen <pauli.nieminen@linux.intel.com>
Tested-by: Pauli Nieminen <pauli.nieminen@linux.intel.com>
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
---

diff --git a/drivers/staging/mrst/pvr/pvr_trace_cmd.h b/drivers/staging/mrst/pvr/pvr_trace_cmd.h
index 5a92255..89eb960 100644
--- a/drivers/staging/mrst/pvr/pvr_trace_cmd.h
+++ b/drivers/staging/mrst/pvr/pvr_trace_cmd.h
@@ -110,7 +110,7 @@ static inline void pvr_trcmd_set_data(unsigned long *a, unsigned long val)
 
 static inline void pvr_trcmd_clear_syn(struct pvr_trcmd_syn *ts)
 {
-	memset(ts, 0, sizeof(*ts));
+	ts->addr = 0;
 }
 
 void pvr_trcmd_check_syn_completions(int type);