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SubjectRe: [PATCH 59/61] watchdog: simplify getting .drvdata
On Thu, Apr 19, 2018 at 04:06:29PM +0200, Wolfram Sang wrote:
> 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>

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
>
> 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
>

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