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cddd459140
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
58 lines
1.7 KiB
Diff
58 lines
1.7 KiB
Diff
From 65e624b3708cb35942297f699d886aa4c8a7e613 Mon Sep 17 00:00:00 2001
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From: Jan Kiszka <jan.kiszka@siemens.com>
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Date: Sun, 1 Jan 2017 15:46:26 +0100
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Subject: [PATCH] ivshmem-net: Add ethtool register dump
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Helps debugging inconsistent states.
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Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
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(cherry picked from commit 81674136b6936fb8219dac1dcdb6df8fe424143d)
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---
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drivers/net/ivshmem-net.c | 31 +++++++++++++++++++++++++++++++
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1 file changed, 31 insertions(+)
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--- a/drivers/net/ivshmem-net.c
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+++ b/drivers/net/ivshmem-net.c
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@@ -748,10 +748,41 @@ static void ivshm_net_get_ethtool_stats(
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memset(&in->stats, 0, sizeof(in->stats));
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}
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+#define IVSHM_NET_REGS_LEN (3 * sizeof(u32) + 6 * sizeof(u16))
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+
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+static int ivshm_net_get_regs_len(struct net_device *ndev)
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+{
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+ return IVSHM_NET_REGS_LEN;
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+}
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+
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+static void ivshm_net_get_regs(struct net_device *ndev,
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+ struct ethtool_regs *regs, void *p)
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+{
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+ struct ivshm_net *in = netdev_priv(ndev);
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+ u32 *reg32 = p;
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+ u16 *reg16;
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+
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+ *reg32++ = in->lstate;
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+ *reg32++ = in->rstate;
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+ *reg32++ = in->qlen;
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+
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+ reg16 = (u16 *)reg32;
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+
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+ *reg16++ = in->tx.vr.avail ? in->tx.vr.avail->idx : 0;
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+ *reg16++ = in->tx.vr.used ? in->tx.vr.used->idx : 0;
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+ *reg16++ = in->tx.vr.avail ? vring_avail_event(&in->tx.vr) : 0;
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+
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+ *reg16++ = in->rx.vr.avail ? in->rx.vr.avail->idx : 0;
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+ *reg16++ = in->rx.vr.used ? in->rx.vr.used->idx : 0;
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+ *reg16++ = in->rx.vr.avail ? vring_avail_event(&in->rx.vr) : 0;
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+}
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+
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static const struct ethtool_ops ivshm_net_ethtool_ops = {
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.get_sset_count = ivshm_net_get_sset_count,
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.get_strings = ivshm_net_get_strings,
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.get_ethtool_stats = ivshm_net_get_ethtool_stats,
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+ .get_regs_len = ivshm_net_get_regs_len,
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+ .get_regs = ivshm_net_get_regs,
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};
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static int ivshm_net_probe(struct pci_dev *pdev,
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