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From d91bfd139f98e60222e7556b696b8caa66f658bb Mon Sep 17 00:00:00 2001
From: Ivo van Doorn <IvDoorn@gmail.com>
Date: Sat, 7 Feb 2009 17:18:34 +0100
Subject: [PATCH] rt2x00: Fix MCS rx_mask (rt2800usb)
Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
---
drivers/net/wireless/rt2x00/rt2800usb.c | 22 ++++++++++++++++++++--
1 files changed, 20 insertions(+), 2 deletions(-)
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -2215,6 +2215,13 @@ static int rt2800usb_validate_eeprom(str
rt2x00_set_field16(&word, EEPROM_ANTENNA_RF_TYPE, RF2820);
rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
EEPROM(rt2x00dev, "Antenna: 0x%04x\n", word);
+ } else if (rt2x00_rev(&rt2x00dev->chip) < RT2883_VERSION) {
+ /*
+ * There is a max of 2 RX streams for RT2860 series
+ */
+ if (rt2x00_get_field16(word, EEPROM_ANTENNA_RXPATH) > 2)
+ rt2x00_set_field16(&word, EEPROM_ANTENNA_RXPATH, 2);
+ rt2x00_eeprom_write(rt2x00dev, EEPROM_ANTENNA, word);
}
rt2x00_eeprom_read(rt2x00dev, EEPROM_NIC, &word);
@@ -2465,6 +2472,7 @@ static int rt2800usb_probe_hw_mode(struc
char *tx_power1;
char *tx_power2;
unsigned int i;
+ u16 eeprom;
/*
* Initialize all hw fields.
@@ -2481,6 +2489,8 @@ static int rt2800usb_probe_hw_mode(struc
rt2x00_eeprom_addr(rt2x00dev,
EEPROM_MAC_ADDR_0));
+ rt2x00_eeprom_read(rt2x00dev, EEPROM_ANTENNA, &eeprom);
+
/*
* Initialize HT information.
*/
@@ -2495,11 +2505,19 @@ static int rt2800usb_probe_hw_mode(struc
IEEE80211_HT_CAP_PSMP_SUPPORT;
spec->ht.ampdu_factor = 3;
spec->ht.ampdu_density = 4;
- spec->ht.mcs.rx_mask[0] = 0xff;
- spec->ht.mcs.rx_mask[1] = 0xff;
spec->ht.mcs.tx_params =
IEEE80211_HT_MCS_TX_DEFINED;
+ switch (rt2x00_get_field16(eeprom, EEPROM_ANTENNA_RXPATH)) {
+ case 3:
+ spec->ht.mcs.rx_mask[2] = 0xff;
+ case 2:
+ spec->ht.mcs.rx_mask[1] = 0xff;
+ case 1:
+ spec->ht.mcs.rx_mask[0] = 0xff;
+ break;
+ }
+
/*
* Initialize hw_mode information.
*/
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