linux-kernel - [PATCH] powerpc/papr_scm: use dev_get

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Date:   Tue, 31 May 2022 17:19:50 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>
CC:     Haowen Bai <baihaowen@...zu.com>, <linuxppc-dev@...ts.ozlabs.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] powerpc/papr_scm: use dev_get_drvdata

Eliminate direct accesses to the driver_data field.

Signed-off-by: Haowen Bai <baihaowen@...zu.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