1 files changed, 68 insertions, 31 deletions

diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 75e70bce40f..1aec2146a2b 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -978,7 +978,7 @@ static void b43legacy_write_beacon_template(struct b43legacy_wldev *dev,
 	struct ieee80211_tx_info *info = IEEE80211_SKB_CB(dev->wl->current_beacon);
 
 	bcn = (const struct ieee80211_mgmt *)(dev->wl->current_beacon->data);
-	len = min((size_t)dev->wl->current_beacon->len,
+	len = min_t(size_t, dev->wl->current_beacon->len,
 		  0x200 - sizeof(struct b43legacy_plcp_hdr6));
 	rate = ieee80211_get_tx_rate(dev->wl->hw, info)->hw_value;
 
@@ -1056,6 +1056,7 @@ static void b43legacy_write_probe_resp_plcp(struct b43legacy_wldev *dev,
 	b43legacy_generate_plcp_hdr(&plcp, size + FCS_LEN, rate->hw_value);
 	dur = ieee80211_generic_frame_duration(dev->wl->hw,
 					       dev->wl->vif,
+					       IEEE80211_BAND_2GHZ,
 					       size,
 					       rate);
 	/* Write PLCP in two parts and timing for packet transfer */
@@ -1121,6 +1122,7 @@ static const u8 *b43legacy_generate_probe_resp(struct b43legacy_wldev *dev,
 					 IEEE80211_STYPE_PROBE_RESP);
 	dur = ieee80211_generic_frame_duration(dev->wl->hw,
 					       dev->wl->vif,
+					       IEEE80211_BAND_2GHZ,
 					       *dest_size,
 					       rate);
 	hdr->duration_id = dur;
@@ -1153,7 +1155,7 @@ static void b43legacy_write_probe_resp_template(struct b43legacy_wldev *dev,
 	b43legacy_write_probe_resp_plcp(dev, 0x350, size,
 					&b43legacy_b_ratetable[3]);
 
-	size = min((size_t)size,
+	size = min_t(size_t, size,
 		   0x200 - sizeof(struct b43legacy_plcp_hdr6));
 	b43legacy_write_template_common(dev, probe_resp_data,
 					size, ram_offset,
@@ -1506,14 +1508,22 @@ static void b43legacy_release_firmware(struct b43legacy_wldev *dev)
 
 static void b43legacy_print_fw_helptext(struct b43legacy_wl *wl)
 {
-	b43legacyerr(wl, "You must go to http://linuxwireless.org/en/users/"
+	b43legacyerr(wl, "You must go to http://wireless.kernel.org/en/users/"
 		     "Drivers/b43#devicefirmware "
 		     "and download the correct firmware (version 3).\n");
 }
 
+static void b43legacy_fw_cb(const struct firmware *firmware, void *context)
+{
+	struct b43legacy_wldev *dev = context;
+
+	dev->fwp = firmware;
+	complete(&dev->fw_load_complete);
+}
+
 static int do_request_fw(struct b43legacy_wldev *dev,
 			 const char *name,
-			 const struct firmware **fw)
+			 const struct firmware **fw, bool async)
 {
 	char path[sizeof(modparam_fwpostfix) + 32];
 	struct b43legacy_fw_header *hdr;
@@ -1526,7 +1536,24 @@ static int do_request_fw(struct b43legacy_wldev *dev,
 	snprintf(path, ARRAY_SIZE(path),
 		 "b43legacy%s/%s.fw",
 		 modparam_fwpostfix, name);
-	err = request_firmware(fw, path, dev->dev->dev);
+	b43legacyinfo(dev->wl, "Loading firmware %s\n", path);
+	if (async) {
+		init_completion(&dev->fw_load_complete);
+		err = request_firmware_nowait(THIS_MODULE, 1, path,
+					      dev->dev->dev, GFP_KERNEL,
+					      dev, b43legacy_fw_cb);
+		if (err) {
+			b43legacyerr(dev->wl, "Unable to load firmware\n");
+			return err;
+		}
+		/* stall here until fw ready */
+		wait_for_completion(&dev->fw_load_complete);
+		if (!dev->fwp)
+			err = -EINVAL;
+		*fw = dev->fwp;
+	} else {
+		err = request_firmware(fw, path, dev->dev->dev);
+	}
 	if (err) {
 		b43legacyerr(dev->wl, "Firmware file \"%s\" not found "
 		       "or load failed.\n", path);
@@ -1557,15 +1584,20 @@ err_format:
 	return -EPROTO;
 }
 
-static int b43legacy_request_firmware(struct b43legacy_wldev *dev)
+static int b43legacy_one_core_attach(struct ssb_device *dev,
+				     struct b43legacy_wl *wl);
+static void b43legacy_one_core_detach(struct ssb_device *dev);
+
+static void b43legacy_request_firmware(struct work_struct *work)
 {
+	struct b43legacy_wl *wl = container_of(work,
+				  struct b43legacy_wl, firmware_load);
+	struct b43legacy_wldev *dev = wl->current_dev;
 	struct b43legacy_firmware *fw = &dev->fw;
 	const u8 rev = dev->dev->id.revision;
 	const char *filename;
 	int err;
 
-	/* do dummy read */
-	ssb_read32(dev->dev, SSB_TMSHIGH);
 	if (!fw->ucode) {
 		if (rev == 2)
 			filename = "ucode2";
@@ -1573,7 +1605,7 @@ static int b43legacy_request_firmware(struct b43legacy_wldev *dev)
 			filename = "ucode4";
 		else
 			filename = "ucode5";
-		err = do_request_fw(dev, filename, &fw->ucode);
+		err = do_request_fw(dev, filename, &fw->ucode, true);
 		if (err)
 			goto err_load;
 	}
@@ -1582,7 +1614,7 @@ static int b43legacy_request_firmware(struct b43legacy_wldev *dev)
 			filename = "pcm4";
 		else
 			filename = "pcm5";
-		err = do_request_fw(dev, filename, &fw->pcm);
+		err = do_request_fw(dev, filename, &fw->pcm, false);
 		if (err)
 			goto err_load;
 	}
@@ -1600,7 +1632,7 @@ static int b43legacy_request_firmware(struct b43legacy_wldev *dev)
 		default:
 			goto err_no_initvals;
 		}
-		err = do_request_fw(dev, filename, &fw->initvals);
+		err = do_request_fw(dev, filename, &fw->initvals, false);
 		if (err)
 			goto err_load;
 	}
@@ -1620,12 +1652,18 @@ static int b43legacy_request_firmware(struct b43legacy_wldev *dev)
 		default:
 			goto err_no_initvals;
 		}
-		err = do_request_fw(dev, filename, &fw->initvals_band);
+		err = do_request_fw(dev, filename, &fw->initvals_band, false);
 		if (err)
 			goto err_load;
 	}
+	err = ieee80211_register_hw(wl->hw);
+	if (err)
+		goto err_one_core_detach;
+	return;
 
-	return 0;
+err_one_core_detach:
+	b43legacy_one_core_detach(dev->dev);
+	goto error;
 
 err_load:
 	b43legacy_print_fw_helptext(dev->wl);
@@ -1639,7 +1677,7 @@ err_no_initvals:
 
 error:
 	b43legacy_release_firmware(dev);
-	return err;
+	return;
 }
 
 static int b43legacy_upload_microcode(struct b43legacy_wldev *dev)
@@ -1907,7 +1945,7 @@ static int b43legacy_gpio_init(struct b43legacy_wldev *dev)
 		return 0;
 	ssb_write32(gpiodev, B43legacy_GPIO_CONTROL,
 		    (ssb_read32(gpiodev, B43legacy_GPIO_CONTROL)
-		     & mask) | set);
+		     & ~mask) | set);
 
 	return 0;
 }
@@ -2153,9 +2191,6 @@ static int b43legacy_chip_init(struct b43legacy_wldev *dev)
 	macctl |= B43legacy_MACCTL_INFRA;
 	b43legacy_write32(dev, B43legacy_MMIO_MACCTL, macctl);
 
-	err = b43legacy_request_firmware(dev);
-	if (err)
-		goto out;
 	err = b43legacy_upload_microcode(dev);
 	if (err)
 		goto out; /* firmware is released later */
@@ -2482,6 +2517,7 @@ static void b43legacy_tx_work(struct work_struct *work)
 }
 
 static void b43legacy_op_tx(struct ieee80211_hw *hw,
+			    struct ieee80211_tx_control *control,
 			    struct sk_buff *skb)
 {
 	struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
@@ -2623,7 +2659,7 @@ static int b43legacy_switch_phymode(struct b43legacy_wl *wl,
 	if (prev_status >= B43legacy_STAT_STARTED) {
 		err = b43legacy_wireless_core_start(up_dev);
 		if (err) {
-			b43legacyerr(wl, "Fatal: Coult not start device for "
+			b43legacyerr(wl, "Fatal: Could not start device for "
 			       "newly selected %s-PHY mode\n",
 			       phymode_to_string(new_mode));
 			b43legacy_wireless_core_exit(up_dev);
@@ -2684,7 +2720,7 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
 		goto out_unlock_mutex;
 
 	/* Switch the PHY mode (if necessary). */
-	switch (conf->channel->band) {
+	switch (conf->chandef.chan->band) {
 	case IEEE80211_BAND_2GHZ:
 		if (phy->type == B43legacy_PHYTYPE_B)
 			new_phymode = B43legacy_PHYMODE_B;
@@ -2712,8 +2748,9 @@ static int b43legacy_op_dev_config(struct ieee80211_hw *hw,
 
 	/* Switch to the requested channel.
 	 * The firmware takes care of races with the TX handler. */
-	if (conf->channel->hw_value != phy->channel)
-		b43legacy_radio_selectchannel(dev, conf->channel->hw_value, 0);
+	if (conf->chandef.chan->hw_value != phy->channel)
+		b43legacy_radio_selectchannel(dev, conf->chandef.chan->hw_value,
+					      0);
 
 	dev->wl->radiotap_enabled = !!(conf->flags & IEEE80211_CONF_MONITOR);
 
@@ -3522,7 +3559,7 @@ static int b43legacy_op_get_survey(struct ieee80211_hw *hw, int idx,
 	if (idx != 0)
 		return -ENOENT;
 
-	survey->channel = conf->channel;
+	survey->channel = conf->chandef.chan;
 	survey->filled = SURVEY_INFO_NOISE_DBM;
 	survey->noise = dev->stats.link_noise;
 
@@ -3769,7 +3806,7 @@ static void b43legacy_sprom_fixup(struct ssb_bus *bus)
 	/* boardflags workarounds */
 	if (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE &&
 	    bus->boardinfo.type == 0x4E &&
-	    bus->boardinfo.rev > 0x40)
+	    bus->sprom.board_rev > 0x40)
 		bus->sprom.boardflags_lo |= B43legacy_BFL_PACTRL;
 }
 
@@ -3860,17 +3897,13 @@ static int b43legacy_probe(struct ssb_device *dev,
 	if (err)
 		goto err_wireless_exit;
 
-	if (first) {
-		err = ieee80211_register_hw(wl->hw);
-		if (err)
-			goto err_one_core_detach;
-	}
+	/* setup and start work to load firmware */
+	INIT_WORK(&wl->firmware_load, b43legacy_request_firmware);
+	schedule_work(&wl->firmware_load);
 
 out:
 	return err;
 
-err_one_core_detach:
-	b43legacy_one_core_detach(dev);
 err_wireless_exit:
 	if (first)
 		b43legacy_wireless_exit(dev, wl);
@@ -3885,8 +3918,12 @@ static void b43legacy_remove(struct ssb_device *dev)
 	/* We must cancel any work here before unregistering from ieee80211,
 	 * as the ieee80211 unreg will destroy the workqueue. */
 	cancel_work_sync(&wldev->restart_work);
+	cancel_work_sync(&wl->firmware_load);
+	complete(&wldev->fw_load_complete);
 
 	B43legacy_WARN_ON(!wl);
+	if (!wldev->fw.ucode)
+		return;			/* NULL if fw never loaded */
 	if (wl->current_dev == wldev)
 		ieee80211_unregister_hw(wl->hw);