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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>
107 lines
3.3 KiB
Diff
107 lines
3.3 KiB
Diff
From 024d664114310fe103c2c31f2253bed58238951d Mon Sep 17 00:00:00 2001
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From: Camelia Groza <camelia.groza@nxp.com>
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Date: Wed, 17 Jan 2018 16:47:07 +0200
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Subject: [PATCH] sdk_dpaa: ceetm: remove tc class reference counting
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Signed-off-by: Camelia Groza <camelia.groza@nxp.com>
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---
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.../ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c | 38 +++-------------------
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.../ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h | 1 -
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2 files changed, 4 insertions(+), 35 deletions(-)
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--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
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+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.c
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@@ -774,7 +774,6 @@ static int ceetm_init_prio(struct Qdisc
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}
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child_cl->common.classid = TC_H_MAKE(sch->handle, (i + 1));
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- child_cl->refcnt = 1;
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child_cl->parent = sch;
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child_cl->type = CEETM_PRIO;
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child_cl->shaped = priv->shaped;
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@@ -986,7 +985,6 @@ static int ceetm_init_wbfs(struct Qdisc
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}
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child_cl->common.classid = TC_H_MAKE(sch->handle, (i + 1));
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- child_cl->refcnt = 1;
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child_cl->parent = sch;
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child_cl->type = CEETM_WBFS;
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child_cl->shaped = priv->shaped;
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@@ -1297,29 +1295,9 @@ static void ceetm_attach(struct Qdisc *s
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}
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}
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-static unsigned long ceetm_cls_get(struct Qdisc *sch, u32 classid)
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+static unsigned long ceetm_cls_search(struct Qdisc *sch, u32 handle)
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{
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- struct ceetm_class *cl;
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-
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- pr_debug(KBUILD_BASENAME " : %s : classid %X from qdisc %X\n",
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- __func__, classid, sch->handle);
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- cl = ceetm_find(classid, sch);
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-
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- if (cl)
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- cl->refcnt++; /* Will decrement in put() */
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- return (unsigned long)cl;
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-}
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-
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-static void ceetm_cls_put(struct Qdisc *sch, unsigned long arg)
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-{
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- struct ceetm_class *cl = (struct ceetm_class *)arg;
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-
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- pr_debug(KBUILD_BASENAME " : %s : classid %X from qdisc %X\n",
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- __func__, cl->common.classid, sch->handle);
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- cl->refcnt--;
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-
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- if (cl->refcnt == 0)
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- ceetm_cls_destroy(sch, cl);
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+ return (unsigned long)ceetm_find(handle, sch);
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}
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static int ceetm_cls_change_root(struct ceetm_class *cl,
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@@ -1540,7 +1518,6 @@ static int ceetm_cls_change(struct Qdisc
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cl->root.tbl = copt->tbl;
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cl->common.classid = classid;
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- cl->refcnt = 1;
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cl->parent = sch;
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cl->root.child = NULL;
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cl->root.wbfs_grp_a = false;
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@@ -1696,15 +1673,9 @@ static int ceetm_cls_delete(struct Qdisc
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sch_tree_lock(sch);
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qdisc_class_hash_remove(&priv->clhash, &cl->common);
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- cl->refcnt--;
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-
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- /* The refcnt should be at least 1 since we have incremented it in
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- * get(). Will decrement again in put() where we will call destroy()
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- * to actually free the memory if it reaches 0.
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- */
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- WARN_ON(cl->refcnt == 0);
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sch_tree_unlock(sch);
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+ ceetm_cls_destroy(sch, cl);
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return 0;
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}
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@@ -1824,8 +1795,7 @@ static void ceetm_tcf_unbind(struct Qdis
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const struct Qdisc_class_ops ceetm_cls_ops = {
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.graft = ceetm_cls_graft,
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.leaf = ceetm_cls_leaf,
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- .get = ceetm_cls_get,
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- .put = ceetm_cls_put,
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+ .find = ceetm_cls_search,
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.change = ceetm_cls_change,
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.delete = ceetm_cls_delete,
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.walk = ceetm_cls_walk,
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--- a/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h
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+++ b/drivers/net/ethernet/freescale/sdk_dpaa/dpaa_eth_ceetm.h
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@@ -191,7 +191,6 @@ struct wbfs_c {
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struct ceetm_class {
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struct Qdisc_class_common common;
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- int refcnt; /* usage count of this class */
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struct tcf_proto *filter_list; /* class attached filters */
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struct tcf_block *block;
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struct Qdisc *parent;
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