[59/61] watchdog: simplify getting .drvdata

Message ID	20180419140641.27926-60-wsa+renesas@sang-engineering.com (mailing list archive)
State	Awaiting Upstream
Delegated to:	Geert Uytterhoeven
Headers	show Return-Path: <linux-renesas-soc-owner@kernel.org> From: Wolfram Sang <wsa+renesas@sang-engineering.com> To: linux-kernel@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, kernel-janitors@vger.kernel.org, Wolfram Sang <wsa+renesas@sang-engineering.com>, Wim Van Sebroeck <wim@linux-watchdog.org>, Guenter Roeck <linux@roeck-us.net>, Michal Simek <michal.simek@xilinx.com>, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 59/61] watchdog: simplify getting .drvdata Date: Thu, 19 Apr 2018 16:06:29 +0200 Message-Id: <20180419140641.27926-60-wsa+renesas@sang-engineering.com> In-Reply-To: <20180419140641.27926-1-wsa+renesas@sang-engineering.com> References: <20180419140641.27926-1-wsa+renesas@sang-engineering.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk

Message ID

20180419140641.27926-60-wsa+renesas@sang-engineering.com (mailing list archive)

State

Awaiting Upstream

Delegated to:

Geert Uytterhoeven

Headers

From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-kernel@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org, kernel-janitors@vger.kernel.org,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Wim Van Sebroeck <wim@linux-watchdog.org>,
	Guenter Roeck <linux@roeck-us.net>,
	Michal Simek <michal.simek@xilinx.com>, linux-watchdog@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: [PATCH 59/61] watchdog: simplify getting .drvdata
Date: Thu, 19 Apr 2018 16:06:29 +0200
Message-Id: <20180419140641.27926-60-wsa+renesas@sang-engineering.com>
In-Reply-To: <20180419140641.27926-1-wsa+renesas@sang-engineering.com>
References: <20180419140641.27926-1-wsa+renesas@sang-engineering.com>
Sender: linux-renesas-soc-owner@vger.kernel.org
Precedence: bulk

Commit Message

Wolfram Sang April 19, 2018, 2:06 p.m. UTC

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(-)

Comments

Guenter Roeck April 19, 2018, 8:06 p.m. UTC | #1

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
>

Michal Simek April 20, 2018, 7:23 a.m. UTC | #2

On 19.4.2018 16:06, 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>
> ---
> 
> Build tested only. buildbot is happy. Please apply individually.
> 
>  drivers/watchdog/cadence_wdt.c   | 6 ++----
>  drivers/watchdog/of_xilinx_wdt.c | 6 ++----

Acked-by: Michal Simek <michal.simek@xilinx.com>

Thanks,
Michal

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))

[59/61] watchdog: simplify getting .drvdata

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