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e3a1e78cd8
It compiles but *doesn't* boot so it isn't enabled yet. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From d313d16bbaea0f11a2e98f04a6c678b43c208915 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
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Date: Fri, 26 Feb 2021 14:20:38 +0100
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Subject: [PATCH] net: broadcom: bcm4908_enet: enable RX after processing
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packets
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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When receiving a lot of packets hardware may run out of free
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descriptiors and stop RX ring. Enable it every time after handling
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received packets.
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Fixes: 4feffeadbcb2 ("net: broadcom: bcm4908enet: add BCM4908 controller driver")
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Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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Acked-by: Florian Fainelli <f.fainelli@gmail.com>
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Link: https://lore.kernel.org/r/20210226132038.29849-1-zajec5@gmail.com
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/ethernet/broadcom/bcm4908_enet.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
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+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
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@@ -592,6 +592,9 @@ static int bcm4908_enet_poll(struct napi
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bcm4908_enet_intrs_on(enet);
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}
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+ /* Hardware could disable ring if it run out of descriptors */
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+ bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring);
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+
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return handled;
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}
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