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[PATCH] yenta: auto-tune EnE bridges for CardBus cards

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Echo Audio cardbus products are known to be incompatible with EnE bridges.
in order to maybe solve the problem a EnE specific test bit has to be set,
another cleared...but other setups have a good chance to break when just
forcing the bits.  so do the whole thingy automatically.

The patch adds a hook in cb_alloc() that allows special tuning for the
different chipsets.  for ene just match the Echo products and set/clear the
test bits, defaults to do the same thing as w/o the patch to not break
working setups.

Signed-off-by: Daniel Ritz <daniel.ritz@gmx.ch>
Cc: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
This commit is contained in:
Daniel Ritz 2005-08-21 22:29:26 -07:00 • committed by Dominik Brodowski
commit 8c3520d4eb
5 changed files with 105 additions and 15 deletions
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5
include/linux/pci_ids.h
View file

@ -2187,7 +2187,12 @@
#define PCI_DEVICE_ID_ENE_1211 0x1211
#define PCI_DEVICE_ID_ENE_1225 0x1225
#define PCI_DEVICE_ID_ENE_1410 0x1410
#define PCI_DEVICE_ID_ENE_710 0x1411
#define PCI_DEVICE_ID_ENE_712 0x1412
#define PCI_DEVICE_ID_ENE_1420 0x1420
#define PCI_DEVICE_ID_ENE_720 0x1421
#define PCI_DEVICE_ID_ENE_722 0x1422
#define PCI_VENDOR_ID_CHELSIO 0x1425
#define PCI_VENDOR_ID_MIPS 0x153f

9
include/pcmcia/ss.h
View file

@ -21,6 +21,9 @@
#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/bulkmem.h>
#ifdef CONFIG_CARDBUS
#include <linux/pci.h>
#endif
/* Definitions for card status flags for GetStatus */
#define SS_WRPROT 0x0001
@ -233,7 +236,11 @@ struct pcmcia_socket {
/* so is power hook */
int (*power_hook)(struct pcmcia_socket *sock, int operation);
#ifdef CONFIG_CARDBUS
/* allows tuning the CB bridge before loading driver for the CB card */
void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
#endif
/* state thread */
struct semaphore skt_sem; /* protects socket h/w state */