From: Holger Schurig <hs4233@mail.mn-solutions.de>
To: libertas-dev@lists.infradead.org, Dan Williams <dcbw@redhat.com>,
linux-wireless@vger.kernel.org,
"John W. Linville" <linville@tuxdriver.com>
Subject: [PATCH 3/4] libertas: check for old, unsupported hardware
Date: Thu, 5 Jun 2008 13:08:35 +0200 [thread overview]
Message-ID: <200806051308.35863.hs4233@mail.mn-solutions.de> (raw)
Signed-off-by: Holger Schurig <hs4233@mail.mn-solutions.de>
--- 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);
next reply other threads:[~2008-06-05 11:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-05 11:08 Holger Schurig [this message]
2008-06-05 11:46 ` [PATCH 3/4] libertas: check for old, unsupported hardware Dan Williams
2008-06-05 12:02 ` Holger Schurig
2008-08-19 19:44 ` Dan Williams
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