linux-kernel - Re: [PATCH] usb_wwan: fix build error in play

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Message-ID: <1300773955.2837.24.camel@edumazet-laptop>
Date:	Tue, 22 Mar 2011 07:05:55 +0100
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tao Ma <tm@....ma>
Cc:	linux-kernel@...r.kernel.org, Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [PATCH] usb_wwan: fix build error in play_delayed.

Le mardi 22 mars 2011 à 12:29 +0800, Tao Ma a écrit :
> From: Tao Ma <boyu.mt@...bao.com>
> 
> There is a build error in today's linus tree.
> drivers/usb/serial/usb_wwan.c: In function ‘play_delayed’:
> drivers/usb/serial/usb_wwan.c:702: error: ‘struct dev_pm_info’ has no member named ‘usage_count’
> The reason is that usage_count is wrapped with macro CONFIG_PM_RUNTIME
> now in dev_pm_info.
> 
> So use the corresponding pm_runtime_get_noresume instead.
> 
> Cc: Greg Kroah-Hartman <gregkh@...e.de>
> Signed-off-by: Tao Ma <boyu.mt@...bao.com>
> ---
>  drivers/usb/serial/usb_wwan.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
> index a65ddd5..5858ce4 100644
> --- a/drivers/usb/serial/usb_wwan.c
> +++ b/drivers/usb/serial/usb_wwan.c
> @@ -699,7 +699,7 @@ static void play_delayed(struct usb_serial_port *port)
>  			do {
>  				unbusy_queued_urb(urb, portdata);
>  				//extremely dirty
> -				atomic_dec(&port->serial->interface->dev.power.usage_count);
> +				pm_runtime_get_noresume(&port->serial->interface->dev);
>  			} while ((urb = usb_get_from_anchor(&portdata->delayed)));
>  			break;
>  		}

Oh well, thats the third time this patch is sent


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