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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>
70 lines
2.1 KiB
Diff
70 lines
2.1 KiB
Diff
From f34c01773d5dbd2db04200079bb4d32ecb0cd847 Mon Sep 17 00:00:00 2001
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From: Roy Pledge <roy.pledge@nxp.com>
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Date: Tue, 18 Feb 2020 14:02:21 -0500
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Subject: [PATCH] sdk_qbman: Only create debugfs entries when QBMan is part of
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device tree
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Only create debugfs entries if the QBMan nodes exist in the device
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tree.
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Signed-off-by: Roy Pledge <roy.pledge@nxp.com>
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Acked-by: Madalin Bucur <madalin.bucur@nxp.com>
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Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
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---
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drivers/staging/fsl_qbman/bman_debugfs.c | 8 +++++++-
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drivers/staging/fsl_qbman/qman_debugfs.c | 17 ++++++++++-------
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2 files changed, 17 insertions(+), 8 deletions(-)
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--- a/drivers/staging/fsl_qbman/bman_debugfs.c
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+++ b/drivers/staging/fsl_qbman/bman_debugfs.c
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@@ -33,6 +33,7 @@
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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#include <linux/uaccess.h>
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+#include <linux/of.h>
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static struct dentry *dfs_root; /* debugfs root directory */
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@@ -83,9 +84,14 @@ static int __init bman_debugfs_module_in
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{
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int ret = 0;
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struct dentry *d;
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+ struct device_node *dn;
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+ dn = of_find_compatible_node(NULL, NULL, "fsl,bman");
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+ if (!dn) {
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+ pr_debug("No fsl,bman node\n");
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+ return 0;
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+ }
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dfs_root = debugfs_create_dir("bman", NULL);
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-
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if (dfs_root == NULL) {
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ret = -ENOMEM;
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pr_err("Cannot create bman debugfs dir\n");
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--- a/drivers/staging/fsl_qbman/qman_debugfs.c
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+++ b/drivers/staging/fsl_qbman/qman_debugfs.c
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@@ -1457,13 +1457,16 @@ static int __init qman_debugfs_module_in
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fqid_max = 0;
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init_ccsrmempeek();
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- if (qman_ccsr_start) {
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- if (!qman_ccsrmempeek(®, QM_FQD_AR)) {
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- /* extract the size of the FQD window */
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- reg = reg & 0x3f;
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- /* calculate valid frame queue descriptor range */
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- fqid_max = (1 << (reg + 1)) / QM_FQD_BLOCK_SIZE;
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- }
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+ if (!qman_ccsr_start) {
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+ /* No QMan node found in device tree */
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+ return 0;
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+ }
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+
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+ if (!qman_ccsrmempeek(®, QM_FQD_AR)) {
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+ /* extract the size of the FQD window */
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+ reg = reg & 0x3f;
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+ /* calculate valid frame queue descriptor range */
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+ fqid_max = (1 << (reg + 1)) / QM_FQD_BLOCK_SIZE;
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}
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dfs_root = debugfs_create_dir("qman", NULL);
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fqd_root = debugfs_create_dir("fqd", dfs_root);
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