b43: replace B43_BCMA_EXTRA with modparam allhwsupport

This allows enabling support for extra hardware with just a module
param, without kernel/module recompilation.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index a95b77a..0e933bb 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -113,13 +113,15 @@
 module_param_named(pio, b43_modparam_pio, int, 0644);
 MODULE_PARM_DESC(pio, "Use PIO accesses by default: 0=DMA, 1=PIO");
 
+static int modparam_allhwsupport = !IS_ENABLED(CONFIG_BRCMSMAC);
+module_param_named(allhwsupport, modparam_allhwsupport, int, 0444);
+MODULE_PARM_DESC(allhwsupport, "Enable support for all hardware (even it if overlaps with the brcmsmac driver)");
+
 #ifdef CONFIG_B43_BCMA
 static const struct bcma_device_id b43_bcma_tbl[] = {
 	BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x11, BCMA_ANY_CLASS),
-#ifdef CONFIG_B43_BCMA_EXTRA
 	BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x17, BCMA_ANY_CLASS),
 	BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x18, BCMA_ANY_CLASS),
-#endif
 	BCMA_CORE(BCMA_MANUF_BCM, BCMA_CORE_80211, 0x1D, BCMA_ANY_CLASS),
 	BCMA_CORETABLE_END
 };
@@ -5396,6 +5398,12 @@
 	struct b43_wl *wl;
 	int err;
 
+	if (!modparam_allhwsupport &&
+	    (core->id.rev == 0x17 || core->id.rev == 0x18)) {
+		pr_err("Support for cores revisions 0x17 and 0x18 disabled by module param allhwsupport=0. Try b43.allhwsupport=1\n");
+		return -ENOTSUPP;
+	}
+
 	dev = b43_bus_dev_bcma_init(core);
 	if (!dev)
 		return -ENODEV;