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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 9e1f89c4c637087dc8dc1a3f9f6bda5bff66e4ac Mon Sep 17 00:00:00 2001
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From: Laurentiu Tudor <laurentiu.tudor@nxp.com>
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Date: Tue, 6 Feb 2018 14:40:32 +0200
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Subject: [PATCH] dpaa_eth: defer probing after qbman
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Enabling SMMU altered the order of device probing causing the dpaa1
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ethernet driver to get probed before qbman and causing a boot crash.
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Add predictability in the probing order by deferring the ethernet
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driver probe after qbman and portals by using the recently introduced
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qbman APIs.
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Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
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Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
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---
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drivers/net/ethernet/freescale/dpaa/dpaa_eth.c | 31 ++++++++++++++++++++++++++
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1 file changed, 31 insertions(+)
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--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
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+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
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@@ -2947,6 +2947,37 @@ static int dpaa_eth_probe(struct platfor
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int err = 0, i, channel;
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struct device *dev;
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+ err = bman_is_probed();
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+ if (!err)
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+ return -EPROBE_DEFER;
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+ if (err < 0) {
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+ dev_err(&pdev->dev, "failing probe due to bman probe error\n");
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+ return -ENODEV;
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+ }
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+ err = qman_is_probed();
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+ if (!err)
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+ return -EPROBE_DEFER;
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+ if (err < 0) {
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+ dev_err(&pdev->dev, "failing probe due to qman probe error\n");
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+ return -ENODEV;
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+ }
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+ err = bman_portals_probed();
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+ if (!err)
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+ return -EPROBE_DEFER;
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+ if (err < 0) {
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+ dev_err(&pdev->dev,
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+ "failing probe due to bman portals probe error\n");
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+ return -ENODEV;
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+ }
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+ err = qman_portals_probed();
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+ if (!err)
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+ return -EPROBE_DEFER;
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+ if (err < 0) {
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+ dev_err(&pdev->dev,
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+ "failing probe due to qman portals probe error\n");
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+ return -ENODEV;
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+ }
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+
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/* device used for DMA mapping */
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dev = pdev->dev.parent;
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err = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(40));
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