[PATCH 1/1] ath9k: add support for 802.11n bonded out AR2427

[Luis R. Rodriguez]

Some single chip family devices are sold in the market with
802.11n bonded out, these have no hardware capability for
802.11n but ath9k can still support them. These are called
AR2427.

Cc: stable at kernel.org
Reported-by: Rolf Leggewie <bugzilla.kernel.org at rolf.leggewie.biz>
Tested-by: Bernhard Reiter <ockham at raz.or.at>
Signed-off-by: Luis R. Rodriguez <lrodriguez at atheros.com>
Signed-off-by: John W. Linville <linville at tuxdriver.com>

(Backported for Debian by Ansgar Burchardt <ansgar at 43-1.org>)

--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -398,7 +398,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 	ah->config.pcie_clock_req = 0;
 	ah->config.pcie_waen = 0;
 	ah->config.analog_shiftreg = 1;
-	ah->config.ht_enable = 1;
 	ah->config.ofdm_trig_low = 200;
 	ah->config.ofdm_trig_high = 500;
 	ah->config.cck_trig_high = 200;
@@ -412,6 +411,11 @@ static void ath9k_hw_init_config(struct ath_hw *ah)
 		ah->config.spurchans[i][1] = AR_NO_SPUR;
 	}
 
+	if (ah->hw_version.devid != AR2427_DEVID_PCIE)
+		ah->config.ht_enable = 1;
+	else
+		ah->config.ht_enable = 0;
+
 	ah->config.intr_mitigation = true;
 
 	/*
@@ -617,6 +621,7 @@ static bool ath9k_hw_devid_supported(u16 devid)
 	case AR9285_DEVID_PCIE:
 	case AR5416_DEVID_AR9287_PCI:
 	case AR5416_DEVID_AR9287_PCIE:
+	case AR2427_DEVID_PCIE:
 		return true;
 	default:
 		break;
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -37,6 +37,7 @@
 #define AR9280_DEVID_PCI	0x0029
 #define AR9280_DEVID_PCIE	0x002a
 #define AR9285_DEVID_PCIE	0x002b
+#define AR2427_DEVID_PCIE	0x002c
 #define AR5416_AR9100_DEVID	0x000b
 #define	AR_SUBVENDOR_ID_NOG	0x0e11
 #define AR_SUBVENDOR_ID_NEW_A	0x7065
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1541,11 +1541,13 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
 	hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
 		IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
 		IEEE80211_HW_SIGNAL_DBM |
-		IEEE80211_HW_AMPDU_AGGREGATION |
 		IEEE80211_HW_SUPPORTS_PS |
 		IEEE80211_HW_PS_NULLFUNC_STACK |
 		IEEE80211_HW_SPECTRUM_MGMT;
 
+	if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+		hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION;
+
 	if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt)
 		hw->flags |= IEEE80211_HW_MFP_CAPABLE;
 
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -25,6 +25,7 @@ static struct pci_device_id ath_pci_id_table[] __devinitdata = {
 	{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
 	{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
 	{ PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
+	{ PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 	{ PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 	{ PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 	{ 0 }

--=-=-=
Content-Type: text/x-diff
Content-Disposition: attachment; filename=eeepc-disable-hotplug.patch
Content-Description: disable hot-plug on the EeePC

Disable hotplug.

See 10ae4b5663ff3092553bfbd867e7bd474ce6c553
    (eeepc-laptop: dmi blacklist to disable pci hotplug code)

diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
index 4226e53..84ce020 100644
--- a/drivers/platform/x86/eeepc-laptop.c
+++ b/drivers/platform/x86/eeepc-laptop.c
@@ -1095,6 +1095,9 @@ static int eeepc_rfkill_init(struct device *dev)
 	if (result && result != -ENODEV)
 		goto exit;
 
+	/* disable hotplug */
+	return 0;
+
 	result = eeepc_setup_pci_hotplug();
 	/*
 	 * If we get -EBUSY then something else is handling the PCI hotplug -

--=-=-=--