[PATCH 59/61] watchdog: simplify getting .drvdata

Wolfram Sang
2018-04-19T14:08:41Z

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

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

Build tested only. buildbot is happy. Please apply individually.

drivers/watchdog/cadence_wdt.c | 6 ++----
drivers/watchdog/of_xilinx_wdt.c | 6 ++----
drivers/watchdog/wdat_wdt.c | 6 ++----
3 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/watchdog/cadence_wdt.c b/drivers/watchdog/cadence_wdt.c
index 3ec1f418837d..c3924356d173 100644
--- a/drivers/watchdog/cadence_wdt.c
+++ b/drivers/watchdog/cadence_wdt.c
@@ -418,8 +418,7 @@ static void cdns_wdt_shutdown(struct platform_device *pdev)
*/
static int __maybe_unused cdns_wdt_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct cdns_wdt *wdt = platform_get_drvdata(pdev);
+ struct cdns_wdt *wdt = dev_get_drvdata(dev);

if (watchdog_active(&wdt->cdns_wdt_device)) {
cdns_wdt_stop(&wdt->cdns_wdt_device);
@@ -438,8 +437,7 @@ static int __maybe_unused cdns_wdt_suspend(struct device *dev)
static int __maybe_unused cdns_wdt_resume(struct device *dev)
{
int ret;
- struct platform_device *pdev = to_platform_device(dev);
- struct cdns_wdt *wdt = platform_get_drvdata(pdev);
+ struct cdns_wdt *wdt = dev_get_drvdata(dev);

if (watchdog_active(&wdt->cdns_wdt_device)) {
ret = clk_prepare_enable(wdt->clk);
diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index 4acbe05e27bb..d3f7eb046678 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -268,8 +268,7 @@ static int xwdt_remove(struct platform_device *pdev)
*/
static int __maybe_unused xwdt_suspend(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct xwdt_device *xdev = platform_get_drvdata(pdev);
+ struct xwdt_device *xdev = dev_get_drvdata(dev);

if (watchdog_active(&xdev->xilinx_wdt_wdd))
xilinx_wdt_stop(&xdev->xilinx_wdt_wdd);
@@ -285,8 +284,7 @@ static int __maybe_unused xwdt_suspend(struct device *dev)
*/
static int __maybe_unused xwdt_resume(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct xwdt_device *xdev = platform_get_drvdata(pdev);
+ struct xwdt_device *xdev = dev_get_drvdata(dev);
int ret = 0;

if (watchdog_active(&xdev->xilinx_wdt_wdd))
diff --git a/drivers/watchdog/wdat_wdt.c b/drivers/watchdog/wdat_wdt.c
index 0da9943d405f..56ad19608a9b 100644
--- a/drivers/watchdog/wdat_wdt.c
+++ b/drivers/watchdog/wdat_wdt.c
@@ -447,8 +447,7 @@ static int wdat_wdt_probe(struct platform_device *pdev)
#ifdef CONFIG_PM_SLEEP
static int wdat_wdt_suspend_noirq(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct wdat_wdt *wdat = platform_get_drvdata(pdev);
+ struct wdat_wdt *wdat = dev_get_drvdata(dev);
int ret;

if (!watchdog_active(&wdat->wdd))
@@ -475,8 +474,7 @@ static int wdat_wdt_suspend_noirq(struct device *dev)

static int wdat_wdt_resume_noirq(struct device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct wdat_wdt *wdat = platform_get_drvdata(pdev);
+ struct wdat_wdt *wdat = dev_get_drvdata(dev);
int ret;

if (!watchdog_active(&wdat->wdd))
--
2.11.0