linux-kernel - [Patch v2 07/10] mailbox: using dev_get

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Date:   Thu,  4 Jul 2019 10:36:27 +0800
From:   Fuqian Huang <huangfq.daxian@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Jassi Brar <jassisinghbrar@...il.com>,
        linux-kernel@...r.kernel.org,
        Fuqian Huang <huangfq.daxian@...il.com>
Subject: [Patch v2 07/10] mailbox: using dev_get_drvdata directly

Several drivers cast a struct device pointer to a struct
platform_device pointer only to then call platform_get_drvdata().
To improve readability, these constructs can be simplified
by using dev_get_drvdata() directly.

Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>
---
Changes in v2:
  - Make the commit message more clearly.

 drivers/mailbox/bcm-flexrm-mailbox.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/mailbox/bcm-flexrm-mailbox.c b/drivers/mailbox/bcm-flexrm-mailbox.c
index a64116586b4c..0cfdd53d04a1 100644
--- a/drivers/mailbox/bcm-flexrm-mailbox.c
+++ b/drivers/mailbox/bcm-flexrm-mailbox.c
@@ -1165,8 +1165,7 @@ static int flexrm_process_completions(struct flexrm_ring *ring)
 
 static int flexrm_debugfs_conf_show(struct seq_file *file, void *offset)
 {
-	struct platform_device *pdev = to_platform_device(file->private);
-	struct flexrm_mbox *mbox = platform_get_drvdata(pdev);
+	struct flexrm_mbox *mbox = dev_get_drvdata(file->private);
 
 	/* Write config in file */
 	flexrm_write_config_in_seqfile(mbox, file);
@@ -1176,8 +1175,7 @@ static int flexrm_debugfs_conf_show(struct seq_file *file, void *offset)
 
 static int flexrm_debugfs_stats_show(struct seq_file *file, void *offset)
 {
-	struct platform_device *pdev = to_platform_device(file->private);
-	struct flexrm_mbox *mbox = platform_get_drvdata(pdev);
+	struct flexrm_mbox *mbox = dev_get_drvdata(file->private);
 
 	/* Write stats in file */
 	flexrm_write_stats_in_seqfile(mbox, file);
-- 
2.11.0