linux-kernel - RE: [PATCH] mmc:bfin_sdh change driver to use dev_pm

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Date:	Mon, 12 Aug 2013 02:33:59 +0000
From:	"Zhang, Sonic" <Sonic.Zhang@...log.com>
To:	Shuah Khan <shuah.kh@...sung.com>,
	"cjb@...top.org" <cjb@...top.org>
CC:	"uclinux-dist-devel@...ckfin.uclinux.org" 
	<uclinux-dist-devel@...ckfin.uclinux.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"shuahkhan@...il.com" <shuahkhan@...il.com>
Subject: RE: [PATCH] mmc:bfin_sdh change driver to use dev_pm_ops
 infrastructure

Acked-by: Sonic Zhang<sonic.zhang@...log.com>

>-----Original Message-----
>From: Shuah Khan [mailto:shuah.kh@...sung.com]
>Sent: Saturday, August 10, 2013 11:21 PM
>To: Zhang, Sonic; cjb@...top.org
>Cc: Shuah Khan; uclinux-dist-devel@...ckfin.uclinux.org; linux-mmc@...r.kernel.org;
>linux-kernel@...r.kernel.org; shuahkhan@...il.com
>Subject: [PATCH] mmc:bfin_sdh change driver to use dev_pm_ops infrastructure
>
>Change bfin sdh platform driver to register pm ops using dev_pm_ops instead of
>legacy pm_ops infrastructure.
>
>Signed-off-by: Shuah Khan <shuah.kh@...sung.com>
>---
> drivers/mmc/host/bfin_sdh.c |   21 ++++++++++++---------
> 1 file changed, 12 insertions(+), 9 deletions(-)
>
>diff --git a/drivers/mmc/host/bfin_sdh.c b/drivers/mmc/host/bfin_sdh.c index
>94fae2f..7b3e12f 100644
>--- a/drivers/mmc/host/bfin_sdh.c
>+++ b/drivers/mmc/host/bfin_sdh.c
>@@ -638,10 +638,11 @@ static int sdh_remove(struct platform_device *pdev)  }
>
> #ifdef CONFIG_PM
>-static int sdh_suspend(struct platform_device *dev, pm_message_t state)
>+static int sdh_suspend(struct device *dev)
> {
>-      struct mmc_host *mmc = platform_get_drvdata(dev);
>-      struct bfin_sd_host *drv_data = get_sdh_data(dev);
>+      struct platform_device *pdev = to_platform_device(dev);
>+      struct mmc_host *mmc = platform_get_drvdata(pdev);
>+      struct bfin_sd_host *drv_data = get_sdh_data(pdev);
>       int ret = 0;
>
>       if (mmc)
>@@ -652,15 +653,16 @@ static int sdh_suspend(struct platform_device *dev,
>pm_message_t state)
>       return ret;
> }
>
>-static int sdh_resume(struct platform_device *dev)
>+static int sdh_resume(struct device *dev)
> {
>-      struct mmc_host *mmc = platform_get_drvdata(dev);
>-      struct bfin_sd_host *drv_data = get_sdh_data(dev);
>+      struct platform_device *pdev = to_platform_device(dev);
>+      struct mmc_host *mmc = platform_get_drvdata(pdev);
>+      struct bfin_sd_host *drv_data = get_sdh_data(pdev);
>       int ret = 0;
>
>       ret = peripheral_request_list(drv_data->pin_req, DRIVER_NAME);
>       if (ret) {
>-              dev_err(&dev->dev, "unable to request peripheral pins\n");
>+              dev_err(dev, "unable to request peripheral pins\n");
>               return ret;
>       }
>
>@@ -676,13 +678,14 @@ static int sdh_resume(struct platform_device *dev)  #
>define sdh_resume  NULL  #endif
>
>+static SIMPLE_DEV_PM_OPS(sdh_dev_pm_ops, sdh_suspend, sdh_resume);
>+
> static struct platform_driver sdh_driver = {
>       .probe   = sdh_probe,
>       .remove  = sdh_remove,
>-      .suspend = sdh_suspend,
>-      .resume  = sdh_resume,
>       .driver  = {
>               .name = DRIVER_NAME,
>+              .pm = &sdh_dev_pm_ops,
>       },
> };
>
>--
>1.7.10.4
>


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