b43: Add panic reason code that doesn't trigger restart
Add a firmware panic reason code that doesn't trigger a restart.
This is useful for firmware debugging and avoiding endless
restart loops. We can use FWPANIC_DIE to halt the firmware at a
well defined point.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index f588dfa..f0041750 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -422,12 +422,21 @@
B43_IRQ_RFKILL | \
B43_IRQ_TX_OK)
+/* The firmware register to fetch the debug-IRQ reason from. */
+#define B43_DEBUGIRQ_REASON_REG 63
/* Debug-IRQ reasons. */
#define B43_DEBUGIRQ_PANIC 0 /* The firmware panic'ed */
#define B43_DEBUGIRQ_DUMP_SHM 1 /* Dump shared SHM */
#define B43_DEBUGIRQ_DUMP_REGS 2 /* Dump the microcode registers */
#define B43_DEBUGIRQ_ACK 0xFFFF /* The host writes that to ACK the IRQ */
+/* The firmware register to fetch the panic reason from. */
+#define B43_FWPANIC_REASON_REG 3
+/* Firmware panic reason codes */
+#define B43_FWPANIC_DIE 0 /* Firmware died. Don't auto-restart it. */
+#define B43_FWPANIC_RESTART 1 /* Firmware died. Schedule a controller reset. */
+
+
/* Device specific rate values.
* The actual values defined here are (rate_in_mbps * 2).
* Some code depends on this. Don't change it. */