powerpc/papr_scm: use dev_get_drvdata

Lotte-Bai · mpe · commit d9abe36df749 · 2022-06-29T19:37:07.000+10:00
Eliminate direct accesses to the driver_data field. Signed-off-by: Haowen Bai <baihaowen@meizu.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/1653988790-19999-1-git-send-email-baihaowen@meizu.com
diff --git 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 */

Original file line number	Diff line number	Diff line change
`@@ -354,7 +354,7 @@ static int papr_scm_pmu_get_value(struct perf_event event, struct device dev,`
`354`	`354`	`{`
`355`	`355`	`struct papr_scm_perf_stat *stat;`
`356`	`356`	`struct papr_scm_perf_stats *stats;`
`357`		`- struct papr_scm_priv p = (struct papr_scm_priv )dev->driver_data;`
	`357`	`+ struct papr_scm_priv *p = dev_get_drvdata(dev);`
`358`	`358`	`int rc, size;`
`359`	`359`
`360`	`360`	`/* Allocate request buffer enough to hold single performance stat */`