linux-kernel - [PATCH 1/1] net: dsa: legacy: simplify getting .driver

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Date:   Sun, 21 Oct 2018 22:01:05 +0200
From:   Wolfram Sang <wsa+renesas@...g-engineering.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-renesas-soc@...r.kernel.org,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        Andrew Lunn <andrew@...n.ch>,
        Vivien Didelot <vivien.didelot@...oirfairelinux.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        "David S. Miller" <davem@...emloft.net>, netdev@...r.kernel.org
Subject: [PATCH 1/1] net: dsa: legacy: simplify getting .driver_data

We should get 'driver_data' from 'struct device' directly. Going via
platform_device is an unneeded step back and forth.

Signed-off-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
---

Build tested only. buildbot is happy.

 net/dsa/legacy.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/net/dsa/legacy.c b/net/dsa/legacy.c
index 8aa92b09db76..cb42939db776 100644
--- a/net/dsa/legacy.c
+++ b/net/dsa/legacy.c
@@ -686,8 +686,7 @@ static void dsa_shutdown(struct platform_device *pdev)
 #ifdef CONFIG_PM_SLEEP
 static int dsa_suspend(struct device *d)
 {
-	struct platform_device *pdev = to_platform_device(d);
-	struct dsa_switch_tree *dst = platform_get_drvdata(pdev);
+	struct dsa_switch_tree *dst = dev_get_drvdata(d);
 	int i, ret = 0;
 
 	for (i = 0; i < dst->pd->nr_chips; i++) {
@@ -702,8 +701,7 @@ static int dsa_suspend(struct device *d)
 
 static int dsa_resume(struct device *d)
 {
-	struct platform_device *pdev = to_platform_device(d);
-	struct dsa_switch_tree *dst = platform_get_drvdata(pdev);
+	struct dsa_switch_tree *dst = dev_get_drvdata(d);
 	int i, ret = 0;
 
 	for (i = 0; i < dst->pd->nr_chips; i++) {
-- 
2.19.0