diff options
Diffstat (limited to 'package/mac80211/patches/601-rt2x00-fix-hang-on-ifdown.patch')
| -rw-r--r-- | package/mac80211/patches/601-rt2x00-fix-hang-on-ifdown.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/package/mac80211/patches/601-rt2x00-fix-hang-on-ifdown.patch b/package/mac80211/patches/601-rt2x00-fix-hang-on-ifdown.patch new file mode 100644 index 000000000..a584d0009 --- /dev/null +++ b/package/mac80211/patches/601-rt2x00-fix-hang-on-ifdown.patch @@ -0,0 +1,34 @@ +From 27ed5ec6924c17b76d65b697a162bafee7bd8e4e Mon Sep 17 00:00:00 2001 +From: Helmut Schaa <helmut.schaa@googlemail.com> +Date: Mon, 21 Jun 2010 10:03:05 +0200 +Subject: [PATCH] rt2x00: fix rt2800pci hang on ifdown + +rt2800pci hangs the system on rt305x SoC devices on ifdown. Work around +this issue by disabling TX DMA prior to restting the TX queue indices. + +This patch is not suitable for upstream inclusion but is just meant as +a workaround until a proper solution is implemented. + +Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> +--- + drivers/net/wireless/rt2x00/rt2800pci.c | 4 ++++ + 1 files changed, 4 insertions(+), 0 deletions(-) + +diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c +index 165da7b..bb35350 100644 +--- a/drivers/net/wireless/rt2x00/rt2800pci.c ++++ b/drivers/net/wireless/rt2x00/rt2800pci.c +@@ -737,6 +737,10 @@ static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev, + rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0); + return; + } ++ ++ rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®); ++ rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0); ++ rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg); + + rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®); + rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE)); +-- +1.6.4.2 + |