linux-kernel - Re: [BUGFIX 3/9] ACPI, DOCK: clean up unused module related code

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Message-ID: <2136440.CPpNzdaTXG@vostro.rjw.lan>
Date:	Thu, 13 Jun 2013 20:39:51 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jiang Liu <jiang.liu@...wei.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Yinghai Lu <yinghai@...nel.org>,
	"Alexander E . Patrakov" <patrakov@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Yijing Wang <wangyijing@...wei.com>,
	Jiang Liu <liuj97@...il.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, Shaohua Li <shaohua.li@...el.com>,
	Len Brown <lenb@...nel.org>, linux-acpi@...r.kernel.org
Subject: Re: [BUGFIX 3/9] ACPI, DOCK: clean up unused module related code

On Thursday, June 13, 2013 08:26:10 PM Rafael J. Wysocki wrote:
> On Friday, June 14, 2013 12:32:26 AM Jiang Liu wrote:
> > ACPI dock driver can't be built as a module any more, so clean up
> > module related code.
> > 
> > Signed-off-by: Jiang Liu <jiang.liu@...wei.com>
> > Cc: Shaohua Li <shaohua.li@...el.com>
> > Cc: Len Brown <lenb@...nel.org>
> > Cc: "Rafael J. Wysocki" <rjw@...k.pl>
> > Cc: linux-acpi@...r.kernel.org
> > Cc: linux-kernel@...r.kernel.org
> 
> How exactly does this depend on [2/9]?  If it doesn't at all, it should go
> after [1/9].

However, this isn't even 3.10 material, so please stop sending it for now.

Thanks,
Rafael


> > ---
> >  drivers/acpi/dock.c | 41 -----------------------------------------
> >  1 file changed, 41 deletions(-)
> > 
> > diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
> > index 79c8d9e..50e38b7 100644
> > --- a/drivers/acpi/dock.c
> > +++ b/drivers/acpi/dock.c
> > @@ -53,12 +53,6 @@ MODULE_PARM_DESC(immediate_undock, "1 (default) will cause the driver to "
> >  
> >  static struct atomic_notifier_head dock_notifier_list;
> >  
> > -static const struct acpi_device_id dock_device_ids[] = {
> > -	{"LNXDOCK", 0},
> > -	{"", 0},
> > -};
> > -MODULE_DEVICE_TABLE(acpi, dock_device_ids);
> > -
> 
> Don't we actually need the device IDs?
> 
> >  struct dock_station {
> >  	acpi_handle handle;
> >  	unsigned long last_dock_time;
> > @@ -1013,30 +1007,6 @@ err_unregister:
> >  }
> >  
> >  /**
> > - * dock_remove - free up resources related to the dock station
> > - */
> > -static int dock_remove(struct dock_station *ds)
> > -{
> > -	struct dock_dependent_device *dd, *tmp;
> > -	struct platform_device *dock_device = ds->dock_device;
> > -
> > -	if (!dock_station_count)
> > -		return 0;
> > -
> > -	/* remove dependent devices */
> > -	list_for_each_entry_safe(dd, tmp, &ds->dependent_devices, list)
> > -		kfree(dd);
> > -
> > -	list_del(&ds->sibling);
> > -
> > -	/* cleanup sysfs */
> > -	sysfs_remove_group(&dock_device->dev.kobj, &dock_attribute_group);
> > -	platform_device_unregister(dock_device);
> > -
> > -	return 0;
> > -}
> > -
> > -/**
> >   * find_dock_and_bay - look for dock stations and bays
> >   * @handle: acpi handle of a device
> >   * @lvl: unused
> > @@ -1073,14 +1043,3 @@ int __init acpi_dock_init(void)
> >  		ACPI_DOCK_DRIVER_DESCRIPTION, dock_station_count);
> >  	return 0;
> >  }
> > -
> > -static void __exit dock_exit(void)
> > -{
> > -	struct dock_station *tmp, *dock_station;
> > -
> > -	unregister_acpi_bus_notifier(&dock_acpi_notifier);
> > -	list_for_each_entry_safe(dock_station, tmp, &dock_stations, sibling)
> > -		dock_remove(dock_station);
> > -}
> > -
> > -module_exit(dock_exit);
> 
> The other changes look OK to me.

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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