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Commit 4c55523e authored by Holger Schurig's avatar Holger Schurig Committed by John W. Linville
Browse files

libertas: check for old, unsupported hardware 



Signed-off-by: default avatarHolger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: default avatarDan Williams <dcbw@redhat.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 53143256

drivers/net/wireless/libertas/if_cs.c

+12 −0
Original line number Diff line number Diff line
@@ -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);