linux-kernel - Re: [PATCH] sdhci-pci register legacy PCI PM or runtime PM not both

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Message-ID: <4ECA1054.6050805@intel.com>
Date:	Mon, 21 Nov 2011 10:48:20 +0200
From:	Adrian Hunter <adrian.hunter@...el.com>
To:	David Fries <david@...es.net>
CC:	linux-kernel@...r.kernel.org, linux-mmc@...r.kernel.org,
	Chris Ball <cjb@...top.org>,
	Yunpeng Gao <yunpeng.gao@...el.com>
Subject: Re: [PATCH] sdhci-pci register legacy PCI PM or runtime PM not both

On 20/11/11 23:29, David Fries wrote:
> From: David Fries <David@...es.net>
> 
> pci_has_legacy_pm_support says to not register both legacy PM
> and runtime PM callbacks, modified ifdefs.

Hasn't this already been done in Chris mmc tree i.e.

commit f353f593fe449178a8cb01cefe559dba125ab8b1
Author: Manuel Lauss <manuel.lauss@...glemail.com>
Date:   Thu Nov 3 11:09:45 2011 +0100

    mmc: sdhci: remove "state" argument from sdhci_suspend_host

    Drop the "state" argument from sdhci_suspend_host.  Its only user is the
    PCI glue;  this allows to move all SDHCI glues to use dev_pm_ops instead.

    Signed-off-by: Manuel Lauss <manuel.lauss@...glemail.com>
    Acked-by: Adrian Hunter <adrian.hunter@...el.com>
    Signed-off-by: Chris Ball <cjb@...top.org>

 drivers/mmc/host/sdhci-cns3xxx.c   |    5 +----
 drivers/mmc/host/sdhci-dove.c      |    5 +----
 drivers/mmc/host/sdhci-esdhc-imx.c |    5 +----
 drivers/mmc/host/sdhci-of-esdhc.c  |    5 +----
 drivers/mmc/host/sdhci-of-hlwd.c   |    5 +----
 drivers/mmc/host/sdhci-pci.c       |   26 +++++++++++++-------------
 drivers/mmc/host/sdhci-pltfm.c     |   18 +++++++++++-------
 drivers/mmc/host/sdhci-pltfm.h     |    6 ++++--
 drivers/mmc/host/sdhci-pxav2.c     |    5 +----
 drivers/mmc/host/sdhci-pxav3.c     |    5 +----
 drivers/mmc/host/sdhci-s3c.c       |   21 ++++++++++++++-------
 drivers/mmc/host/sdhci-tegra.c     |    5 +----
 drivers/mmc/host/sdhci.c           |    2 +-
 drivers/mmc/host/sdhci.h           |    2 +-
 14 files changed, 52 insertions(+), 63 deletions(-)



> 
> Signed-off-by: David Fries <David@...es.net>
> Cc: linux-mmc@...r.kernel.org
> Cc: Chris Ball <cjb@...top.org>
> Cc: Adrian Hunter <adrian.hunter@...el.com>
> Cc: Yunpeng Gao <yunpeng.gao@...el.com>
> ---
>  drivers/mmc/host/sdhci-pci.c |    7 ++++---
>  1 files changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
> index d833d9c..eca6e84 100644
> --- a/drivers/mmc/host/sdhci-pci.c
> +++ b/drivers/mmc/host/sdhci-pci.c
> @@ -991,7 +991,8 @@ static struct sdhci_ops sdhci_pci_ops = {
>   *                                                                           *
>  \*****************************************************************************/
>  
> -#ifdef CONFIG_PM
> +/* Register legacy PM or PM runtime, not both. */
> +#if defined(CONFIG_PM) && !defined(CONFIG_PM_RUNTIME)
>  
>  static int sdhci_pci_suspend(struct pci_dev *pdev, pm_message_t state)
>  {
> @@ -1085,12 +1086,12 @@ static int sdhci_pci_resume(struct pci_dev *pdev)
>  	return 0;
>  }
>  
> -#else /* CONFIG_PM */
> +#else /* CONFIG_PM && !CONFIG_PM_RUNTIME */
>  
>  #define sdhci_pci_suspend NULL
>  #define sdhci_pci_resume NULL
>  
> -#endif /* CONFIG_PM */
> +#endif /* CONFIG_PM && !CONFIG_PM_RUNTIME */
>  
>  #ifdef CONFIG_PM_RUNTIME
>  

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