From: Helmut Schaa Date: Wed, 8 Sep 2010 18:56:04 +0000 (+0200) Subject: rt2x00: Initialize AMPDU_BA_WINSIZE register X-Git-Tag: v2.6.37-rc1~147^2~265^2^2~145 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=47ee3eb1359a5444efd9f529e3d28c02e8e405e7;p=platform%2Fkernel%2Flinux-exynos.git rt2x00: Initialize AMPDU_BA_WINSIZE register Since we're not using the AMPDU_BA_WINSIZE register to force the BlockAck window size (we specify it in every TXWI) we should initialize it to 0. Signed-off-by: Helmut Schaa Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index 70a5cb8..2edc774 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -639,6 +639,18 @@ #define LED_CFG_LED_POLAR FIELD32(0x40000000) /* + * AMPDU_BA_WINSIZE: Force BlockAck window size + * FORCE_WINSIZE_ENABLE: + * 0: Disable forcing of BlockAck window size + * 1: Enable forcing of BlockAck window size, overwrites values BlockAck + * window size values in the TXWI + * FORCE_WINSIZE: BlockAck window size + */ +#define AMPDU_BA_WINSIZE 0x1040 +#define AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE FIELD32(0x00000020) +#define AMPDU_BA_WINSIZE_FORCE_WINSIZE FIELD32(0x0000001f) + +/* * XIFS_TIME_CFG: MAC timing * CCKM_SIFS_TIME: unit 1us. Applied after CCK RX/TX * OFDM_SIFS_TIME: unit 1us. Applied after OFDM RX/TX diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index f90e932..78e5830 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -2053,6 +2053,14 @@ static int rt2800_init_registers(struct rt2x00_dev *rt2x00dev) rt2800_register_write(rt2x00dev, LG_FBK_CFG1, reg); /* + * Do not force the BA window size, we use the TXWI to set it + */ + rt2800_register_read(rt2x00dev, AMPDU_BA_WINSIZE, ®); + rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE_ENABLE, 0); + rt2x00_set_field32(®, AMPDU_BA_WINSIZE_FORCE_WINSIZE, 0); + rt2800_register_write(rt2x00dev, AMPDU_BA_WINSIZE, reg); + + /* * We must clear the error counters. * These registers are cleared on read, * so we may pass a useless variable to store the value.