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f5f173e2b7
* fixes NAND * adds latest ethernet patches Signed-off-by: John Crispin <john@phrozen.org>
65 lines
2.2 KiB
Diff
65 lines
2.2 KiB
Diff
From cd1343c14328a5de1a58c47b81b8a2febb31d542 Mon Sep 17 00:00:00 2001
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From: John Crispin <john@phrozen.org>
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Date: Tue, 10 May 2016 11:16:30 +0200
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Subject: [PATCH 098/102] net-next: mediatek: only trigger the tx watchdog
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reset when all devices are stalled
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Signed-off-by: Sean Wang <keyhaede@gmail.com>
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Signed-off-by: John Crispin <john@phrozen.org>
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---
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drivers/net/ethernet/mediatek/mtk_eth_soc.c | 14 ++++++++++++--
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drivers/net/ethernet/mediatek/mtk_eth_soc.h | 1 +
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2 files changed, 13 insertions(+), 2 deletions(-)
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diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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index bced659..70e961c 100644
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@@ -1267,11 +1267,21 @@ static void mtk_tx_timeout(struct net_device *dev)
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{
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struct mtk_mac *mac = netdev_priv(dev);
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struct mtk_eth *eth = mac->hw;
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+ int i, reset = 0;
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eth->netdev[mac->id]->stats.tx_errors++;
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netif_err(eth, tx_err, dev,
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"transmit timed out\n");
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- schedule_work(ð->pending_work);
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+
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+ for (i = 0; i < MTK_MAC_COUNT; i++) {
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+ if (!eth->netdev[i] ||
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+ time_after(jiffies, dev_trans_start(eth->netdev[i]) +
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+ MTK_WDT_TIMEOUT))
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+ reset++;
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+ }
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+
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+ if (reset == MTK_MAC_COUNT)
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+ schedule_work(ð->pending_work);
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}
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static irqreturn_t mtk_handle_irq_rx(int irq, void *_eth)
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@@ -1765,7 +1775,7 @@ static int mtk_add_mac(struct mtk_eth *eth, struct device_node *np)
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mac->hw_stats->reg_offset = id * MTK_STAT_OFFSET;
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SET_NETDEV_DEV(eth->netdev[id], eth->dev);
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- eth->netdev[id]->watchdog_timeo = 5 * HZ;
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+ eth->netdev[id]->watchdog_timeo = MTK_WDT_TIMEOUT;
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eth->netdev[id]->netdev_ops = &mtk_netdev_ops;
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eth->netdev[id]->base_addr = (unsigned long)eth->base;
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eth->netdev[id]->vlan_features = MTK_HW_FEATURES &
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diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.h b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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index f82e3ac..e39da72 100644
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.h
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@@ -15,6 +15,7 @@
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#ifndef MTK_ETH_H
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#define MTK_ETH_H
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+#define MTK_WDT_TIMEOUT (4 * HZ)
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#define MTK_QDMA_PAGE_SIZE 2048
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#define MTK_MAX_RX_LENGTH 1536
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#define MTK_TX_DMA_BUF_LEN 0x3fff
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--
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1.7.10.4
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