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This updates to backports-4.19.57-1 which contains the wireless subsystem and driver from kernel 4.19.57. The removed patches are applied upstream. Tested-by: Koen Vandeputte <koen.vandeputte@ncentric.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
44 lines
1.8 KiB
Diff
44 lines
1.8 KiB
Diff
From patchwork Tue Mar 12 09:51:43 2019
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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X-Patchwork-Submitter: Stanislaw Gruszka <sgruszka@redhat.com>
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X-Patchwork-Id: 10848963
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X-Patchwork-Delegate: kvalo@adurom.com
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From: Stanislaw Gruszka <sgruszka@redhat.com>
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To: linux-wireless@vger.kernel.org
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Cc: =?utf-8?q?Tomislav_Po=C5=BEega?= <pozega.tomislav@gmail.com>,
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Daniel Golle <daniel@makrotopia.org>, Felix Fietkau <nbd@nbd.name>,
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Mathias Kresin <dev@kresin.me>
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Subject: [PATCH v3 4/4] rt2x00: do not print error when queue is full
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Date: Tue, 12 Mar 2019 10:51:43 +0100
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Message-Id: <1552384303-29529-5-git-send-email-sgruszka@redhat.com>
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In-Reply-To: <1552384303-29529-1-git-send-email-sgruszka@redhat.com>
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References: <1552384303-29529-1-git-send-email-sgruszka@redhat.com>
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For unknown reasons printk() on some context can cause CPU hung on
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embedded MT7620 AP/router MIPS platforms. What can result on wifi
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disconnects.
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This patch move queue full messages to debug level what is consistent
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with other mac80211 drivers which drop packet silently if tx queue is
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full. This make MT7620 OpenWRT routers more stable, what was reported
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by various users.
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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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---
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drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
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+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
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@@ -674,7 +674,7 @@ int rt2x00queue_write_tx_frame(struct da
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spin_lock(&queue->tx_lock);
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if (unlikely(rt2x00queue_full(queue))) {
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- rt2x00_err(queue->rt2x00dev, "Dropping frame due to full tx queue %d\n",
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+ rt2x00_dbg(queue->rt2x00dev, "Dropping frame due to full tx queue %d\n",
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queue->qid);
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ret = -ENOBUFS;
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goto out;
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