linux-kernel - RE: dmaengine: struct device - replace bus_id with dev_name(),dev_set

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Date:	Mon, 3 Nov 2008 16:53:51 -0000
From:	"Sosnowski, Maciej" <maciej.sosnowski@...el.com>
To:	"Kay Sievers" <kay.sievers@...y.org>,
	"Williams, Dan J" <dan.j.williams@...el.com>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	"Greg KH" <greg@...ah.com>
Subject: RE: dmaengine: struct device - replace bus_id with dev_name(),dev_set_name()

Kay Sievers wrote:
> 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: dmaengine: struct device - replace bus_id with dev_name(),
> dev_set_name() 
> 
> Cc: Maciej Sosnowski <maciej.sosnowski@...el.com>
> Cc: Dan Williams <dan.j.williams@...el.com>
> Acked-by: Greg Kroah-Hartman <gregkh@...e.de>
> Signed-Off-By: Kay Sievers <kay.sievers@...y.org>
> ---

Acked-by: Maciej Sosnowski <maciej.sosnowski@...el.com>
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