linux-kernel - Re: powerpc: struct device - replace bus_id with dev_name(), dev_set

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Date:	Mon, 3 Nov 2008 15:15:08 -0800
From:	Geoff Levand <geoffrey.levand@...sony.com>
To:	Kay Sievers <kay.sievers@...y.org>
CC:	Paul Mackerras <paulus@...ba.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>
Subject: Re: powerpc: struct device - replace bus_id with dev_name(),	dev_set_name()

Kay Sievers wrote:
> (I did not compile or test it, please let me know, or help fixing
>  it, if something is wrong with the conversion)
> 
> This patch is part of a larger patch series which will remove
> the "char bus_id[20]" name string from struct device. The device
> name is managed in the kobject anyway, and without any size
> limitation, and just needlessly copied into "struct device".
> 
> To set and read the device name dev_name(dev) and dev_set_name(dev)
> must be used. If your code uses static kobjects, which it shouldn't
> do, "const char *init_name" can be used to statically provide the
> name the registered device should have. At registration time, the
> init_name field is cleared, to enforce the use of dev_name(dev) to
> access the device name at a later time.
> 
> We need to get rid of all occurrences of bus_id in the entire tree
> to be able to enable the new interface. Please apply this patch,
> and possibly convert any remaining remaining occurrences of bus_id.
> 
> We want to submit a patch to -next, which will remove bus_id from
> "struct device", to find the remaining pieces to convert, and finally
> switch over to the new api, which will remove the 20 bytes array
> and does no longer have a size limitation.
> 
> Thanks,
> Kay
> 
> 
> From: Kay Sievers <kay.sievers@...y.org>
> Subject: powerpc: struct device - replace bus_id with dev_name(), dev_set_name()
> 
> Cc: Paul Mackerras <paulus@...ba.org>
> Cc: Geoff Levand <geoffrey.levand@...sony.com>
> Acked-by: Greg Kroah-Hartman <gregkh@...e.de>
> Signed-Off-By: Kay Sievers <kay.sievers@...y.org>
> ---
>  arch/powerpc/kernel/ibmebus.c             |    2 +-
>  arch/powerpc/kernel/of_device.c           |   18 +++++++-----------
>  arch/powerpc/kernel/vio.c                 |   12 ++++++------
>  arch/powerpc/platforms/85xx/mpc85xx_mds.c |    6 +++---
>  arch/powerpc/platforms/ps3/system-bus.c   |   28 ++++++++++++----------------
>  5 files changed, 29 insertions(+), 37 deletions(-)

The PS3 parts look OK.  I think if it builds with ps3_defconfig then
it will work.

Acked-by: Geoff Levand <geoffrey.levand@...sony.com>




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