[PATCH] powerpc/papr_scm: use dev_get_drvdata

[Haowen Bai]

Eliminate direct accesses to the driver_data field.

Signed-off-by: Haowen Bai <baihao...@meizu.com>
---
 arch/powerpc/platforms/pseries/papr_scm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/powerpc/platforms/pseries/papr_scm.c 
b/arch/powerpc/platforms/pseries/papr_scm.c
index 181b855b3050..4e793e6e7d11 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -354,7 +354,7 @@ static int papr_scm_pmu_get_value(struct perf_event *event, 
struct device *dev,
 {
        struct papr_scm_perf_stat *stat;
        struct papr_scm_perf_stats *stats;
-       struct papr_scm_priv *p = (struct papr_scm_priv *)dev->driver_data;
+       struct papr_scm_priv *p = dev_get_drvdata(dev);
        int rc, size;
 
        /* Allocate request buffer enough to hold single performance stat */
-- 
2.7.4