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[PATCH] pcmcia: match "anonymous" cards

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If a card doesn't provide _any_ information about itself, assume it is a
so-called "anonymous" card.  pcmciamtd will bind to it if it is configured to
do so.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Dominik Brodowski 2005-06-27 16:28:09 -07:00 committed by Linus Torvalds
parent ff1fa9ef3c
commit f602ff7eb4
2 changed files with 10 additions and 0 deletions
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9
drivers/pcmcia/ds.c
View file

@ -746,6 +746,15 @@ static inline int pcmcia_devmatch(struct pcmcia_device *dev,
}
}
if (did->match_flags & PCMCIA_DEV_ID_MATCH_ANONYMOUS) {
int i;
for (i=0; i<4; i++)
if (dev->prod_id[i])
return 0;
if (dev->has_manf_id || dev->has_card_id || dev->has_func_id)
return 0;
}
dev->dev.driver_data = (void *) did;
return 1;

1
include/linux/mod_devicetable.h
View file

@ -209,5 +209,6 @@ struct pcmcia_device_id {
#define PCMCIA_DEV_ID_MATCH_PROD_ID4 0x0080
#define PCMCIA_DEV_ID_MATCH_DEVICE_NO 0x0100
#define PCMCIA_DEV_ID_MATCH_FAKE_CIS 0x0200
#define PCMCIA_DEV_ID_MATCH_ANONYMOUS 0x0400
#endif /* LINUX_MOD_DEVICETABLE_H */