linux-kernel - Re: [PATCH] olpc-xo15-sci: Use struct dev_pm

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Date:	Thu, 12 Jul 2012 08:51:20 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Daniel Drake <dsd@...top.org>,
	ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux PM list <linux-pm@...r.kernel.org>,
	Len Brown <lenb@...nel.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH] olpc-xo15-sci: Use struct dev_pm_ops for power management

On 07/12/2012 03:29 AM, Rafael J. Wysocki wrote:

> From: Rafael J. Wysocki <rjw@...k.pl>
> 
> Make the OLPC XO15 SCI driver define its resume callback through
> a struct dev_pm_ops object rather than by using a legacy PM hook
> in struct acpi_device_ops.
> 
> Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>


Reported-by: Randy Dunlap <rdunlap@...otime.net>
Acked-by: Randy Dunlap <rdunlap@...otime.net>

Thanks.


> ---
> 
> This patch was missing from my patchset converting ACPI do the PM handling
> based on struct dev_pm_ops.
> 
> If there are no objections, I'll add it to the pm-acpi branch of the
> linux-pm.git tree so that it goes in along with the other changes in that
> area.
> 
> Thanks,
> Rafael
> 
> ---
>  arch/x86/platform/olpc/olpc-xo15-sci.c |    6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> Index: linux/arch/x86/platform/olpc/olpc-xo15-sci.c
> ===================================================================
> --- linux.orig/arch/x86/platform/olpc/olpc-xo15-sci.c
> +++ linux/arch/x86/platform/olpc/olpc-xo15-sci.c
> @@ -203,7 +203,7 @@ static int xo15_sci_remove(struct acpi_d
>  	return 0;
>  }
>  
> -static int xo15_sci_resume(struct acpi_device *device)
> +static int xo15_sci_resume(struct device *dev)
>  {
>  	/* Enable all EC events */
>  	olpc_ec_mask_write(EC_SCI_SRC_ALL);
> @@ -215,6 +215,8 @@ static int xo15_sci_resume(struct acpi_d
>  	return 0;
>  }
>  
> +static SIMPLE_DEV_PM_OPS(xo15_sci_pm, NULL, xo15_sci_resume);
> +
>  static const struct acpi_device_id xo15_sci_device_ids[] = {
>  	{"XO15EC", 0},
>  	{"", 0},
> @@ -227,8 +229,8 @@ static struct acpi_driver xo15_sci_drv =
>  	.ops = {
>  		.add = xo15_sci_add,
>  		.remove = xo15_sci_remove,
> -		.resume = xo15_sci_resume,
>  	},
> +	.drv.pm = &xo15_sci_pm,
>  };
>  
>  static int __init xo15_sci_init(void)



-- 
~Randy
--
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