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3b428936ad
Remove 601-rt2x00-remove-mcu-requests-for-soc.patch as an equivalent patch is already included in upstream. Add 601-rt2x00-fix-hang-on-ifdown.patch which is not suitable for upstream inclusion but fixes a hang on ifdown under some circumstances and thus also fixes AP mode operation in OpenWRT. Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@21975 3c298f89-4303-0410-b956-a3cf2f4a3e73
35 lines
1.3 KiB
Diff
35 lines
1.3 KiB
Diff
From 27ed5ec6924c17b76d65b697a162bafee7bd8e4e Mon Sep 17 00:00:00 2001
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From: Helmut Schaa <helmut.schaa@googlemail.com>
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Date: Mon, 21 Jun 2010 10:03:05 +0200
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Subject: [PATCH] rt2x00: fix rt2800pci hang on ifdown
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rt2800pci hangs the system on rt305x SoC devices on ifdown. Work around
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this issue by disabling TX DMA prior to restting the TX queue indices.
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This patch is not suitable for upstream inclusion but is just meant as
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a workaround until a proper solution is implemented.
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Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
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---
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drivers/net/wireless/rt2x00/rt2800pci.c | 4 ++++
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1 files changed, 4 insertions(+), 0 deletions(-)
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diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c
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index 165da7b..bb35350 100644
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--- a/drivers/net/wireless/rt2x00/rt2800pci.c
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+++ b/drivers/net/wireless/rt2x00/rt2800pci.c
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@@ -737,6 +737,10 @@ static void rt2800pci_kill_tx_queue(struct rt2x00_dev *rt2x00dev,
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rt2800_register_write(rt2x00dev, BCN_TIME_CFG, 0);
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return;
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}
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+
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+ rt2800_register_read(rt2x00dev, WPDMA_GLO_CFG, ®);
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+ rt2x00_set_field32(®, WPDMA_GLO_CFG_ENABLE_TX_DMA, 0);
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+ rt2800_register_write(rt2x00dev, WPDMA_GLO_CFG, reg);
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rt2800_register_read(rt2x00dev, WPDMA_RST_IDX, ®);
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rt2x00_set_field32(®, WPDMA_RST_IDX_DTX_IDX0, (qid == QID_AC_BE));
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--
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1.6.4.2
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