diff options
| author |   Holger Schurig <hs4233@mail.mn-solutions.de> | 2008-06-05 13:08:35 +0200 |
|---|---|---|
| committer |   John W. Linville <linville@tuxdriver.com> | 2008-06-14 12:18:03 -0400 |
| commit | 4c55523e600ee762c2b00b1ade4c5a82b57d07aa (patch) | |
| tree | 186c6a2315b7381b0fbc63b4bcece82a3b57f601 /drivers/net/wireless/libertas/if_cs.c | |
| parent | libertas: document register meanings (diff) | |
| download | linux-dev-4c55523e600ee762c2b00b1ade4c5a82b57d07aa.tar.xz linux-dev-4c55523e600ee762c2b00b1ade4c5a82b57d07aa.zip | |
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>
Diffstat (limited to 'drivers/net/wireless/libertas/if_cs.c')
| -rw-r--r-- | drivers/net/wireless/libertas/if_cs.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/libertas/if_cs.c b/drivers/net/wireless/libertas/if_cs.c index 6870276259e9..9d6ca7fe9539 100644 --- a/drivers/net/wireless/libertas/if_cs.c +++ b/drivers/net/wireless/libertas/if_cs.c @@ -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); |