On Thu, 2008-06-05 at 13:08 +0200, Holger Schurig wrote:
> Signed-off-by: Holger Schurig <hs4233@xxxxxxxxxxxxxxxxxxxx>
Looks OK to me; how old are the B1 and earlier chips? Do we just not
have any samples to work with?
Acked-by: Dan Williams <dcbw@xxxxxxxxxx>
> --- linux.orig/drivers/net/wireless/libertas/if_cs.c
> +++ linux/drivers/net/wireless/libertas/if_cs.c
> @@ -268,6 +268,12 @@
> #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 */
> @@ -864,6 +871,12 @@
> 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);
--
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