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[PATCH] PNP: export pnp_bus_type

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The PNP framework doesn't export "pnp_bus_type", which is an unfortunate
exception to the policy followed by pretty much every other bus.  I noticed
this when I had to find a device in order to provide its platform_data.

Note that per advice from Arjan, the "export" scope has been been minimized to
avoid the hundred-plus bytes needed to support access from modules.  In this
case, the symbol is only needed by statically linked kernel code that lives
outside the drivers/pnp directory.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Adam Belay <ambx1@neo.rr.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Brownell 2007-02-10 01:45:13 -08:00 committed by Linus Torvalds
parent 83f3aa3dc5
commit cbcdc1debd
2 changed files with 2 additions and 1 deletions
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1
drivers/pnp/base.h
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@ -1,4 +1,3 @@
extern struct bus_type pnp_bus_type;
extern spinlock_t pnp_lock;
void *pnp_alloc(long size);
int pnp_interface_attach_device(struct pnp_dev *dev);

2
include/linux/pnp.h
View File

@ -352,6 +352,8 @@ struct pnp_protocol {
(dev) = protocol_to_pnp_dev((dev)->protocol_list.next))
extern struct bus_type pnp_bus_type;
#if defined(CONFIG_PNP)
/* device management */