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libertas: check for old, unsupported hardware 

Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Holger Schurig 2008-06-05 13:08:35 +02:00 committed by John W. Linville
parent 5314325692
commit 4c55523e60
1 changed files with 12 additions and 0 deletions
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12
drivers/net/wireless/libertas/if_cs.c
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@ -268,6 +268,12 @@ static int if_cs_poll_while_fw_download(struct if_cs_card *card, uint addr, u8 r
#define IF_CS_SCRATCH_BOOT_OK 0x00
#define IF_CS_SCRATCH_HELPER_OK 0x5a
/*
* Used to detect ancient chips:
*/
#define IF_CS_PRODUCT_ID 0x0000001C
#define IF_CS_CF8385_B1_REV 0x12
/********************************************************************/
/* I/O and interrupt handling */
@ -861,6 +867,12 @@ static int if_cs_probe(struct pcmcia_device *p_dev)
p_dev->irq.AssignedIRQ, p_dev->io.BasePort1,
p_dev->io.BasePort1 + p_dev->io.NumPorts1 - 1);
/* Check if we have a current silicon */
if (if_cs_read8(card, IF_CS_PRODUCT_ID) < IF_CS_CF8385_B1_REV) {
lbs_pr_err("old chips like 8385 rev B1 aren't supported\n");
ret = -ENODEV;
goto out2;
}
/* Load the firmware early, before calling into libertas.ko */
ret = if_cs_prog_helper(card);