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Remove not more needed rpi patch

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Ycarus (Yannick Chabanois) 2019-06-14 20:41:38 +02:00
parent d6bb31eb2e
commit e7bac8f04f
1 changed files with 0 additions and 147 deletions
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147
root/target/linux/brcm2708/patches-4.19/0519-of-overlay-set-node-fields-from-properties-when-add-.patch
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@ -1,147 +0,0 @@
From 8bff48328aff10c1e9c134a55337620929e449c2 Mon Sep 17 00:00:00 2001
From: Frank Rowand <frank.rowand@sony.com>
Date: Fri, 12 Oct 2018 19:21:16 -0700
Subject: [PATCH 519/520] of: overlay: set node fields from properties when add
new overlay node
commit f96278810150fc39085d1872e5b39ea06366d03e upstream.
See: https://github.com/raspberrypi/linux/issues/2995
Overlay nodes added by add_changeset_node() do not have the node
fields name, phandle, and type set.
The node passed to __of_attach_node() when the add node changeset
entry is processed does not contain any properties. The node's
properties are located in add property changeset entries that will
be processed after the add node changeset is applied.
Set the node's fields in the node contained in the add node
changeset entry and do not set them to incorrect values in
add_changeset_node().
A visible symptom that is fixed by this patch is the names of nodes
added by overlays that have an entry in /sys/bus/platform/drivers/*/
will contain the unit-address but the node-name will be <NULL>, for
example, "fc4ab000.<NULL>". After applying the patch the name, in
this example, for node restart@fc4ab000 is "fc4ab000.restart".
Tested-by: Alan Tull <atull@kernel.org>
Signed-off-by: Frank Rowand <frank.rowand@sony.com>
---
drivers/of/dynamic.c | 27 ++++++++++++++++++---------
drivers/of/overlay.c | 34 +++++++++++++++++++++++++++-------
2 files changed, 45 insertions(+), 16 deletions(-)
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 45c0b1f4cb69..a09c1c3cf831 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -205,15 +205,24 @@ static void __of_attach_node(struct device_node *np)
const __be32 *phandle;
int sz;
- np->name = __of_get_property(np, "name", NULL) ? : "<NULL>";
- np->type = __of_get_property(np, "device_type", NULL) ? : "<NULL>";
-
- phandle = __of_get_property(np, "phandle", &sz);
- if (!phandle)
- phandle = __of_get_property(np, "linux,phandle", &sz);
- if (IS_ENABLED(CONFIG_PPC_PSERIES) && !phandle)
- phandle = __of_get_property(np, "ibm,phandle", &sz);
- np->phandle = (phandle && (sz >= 4)) ? be32_to_cpup(phandle) : 0;
+ if (!of_node_check_flag(np, OF_OVERLAY)) {
+ np->name = __of_get_property(np, "name", NULL);
+ np->type = __of_get_property(np, "device_type", NULL);
+ if (!np->name)
+ np->name = "<NULL>";
+ if (!np->type)
+ np->type = "<NULL>";
+
+ phandle = __of_get_property(np, "phandle", &sz);
+ if (!phandle)
+ phandle = __of_get_property(np, "linux,phandle", &sz);
+ if (IS_ENABLED(CONFIG_PPC_PSERIES) && !phandle)
+ phandle = __of_get_property(np, "ibm,phandle", &sz);
+ if (phandle && (sz >= 4))
+ np->phandle = be32_to_cpup(phandle);
+ else
+ np->phandle = 0;
+ }
np->child = NULL;
np->sibling = np->parent->child;
diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 9808aae4621a..b2704badd987 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -301,10 +301,11 @@ static int add_changeset_property(struct overlay_changeset *ovcs,
struct property *new_prop = NULL, *prop;
int ret = 0;
- if (!of_prop_cmp(overlay_prop->name, "name") ||
- !of_prop_cmp(overlay_prop->name, "phandle") ||
- !of_prop_cmp(overlay_prop->name, "linux,phandle"))
- return 0;
+ if (target->in_livetree)
+ if (!of_prop_cmp(overlay_prop->name, "name") ||
+ !of_prop_cmp(overlay_prop->name, "phandle") ||
+ !of_prop_cmp(overlay_prop->name, "linux,phandle"))
+ return 0;
if (target->in_livetree)
prop = of_find_property(target->np, overlay_prop->name, NULL);
@@ -322,12 +323,17 @@ static int add_changeset_property(struct overlay_changeset *ovcs,
if (!new_prop)
return -ENOMEM;
- if (!prop)
+ if (!prop) {
+ if (!target->in_livetree) {
+ new_prop->next = target->np->deadprops;
+ target->np->deadprops = new_prop;
+ }
ret = of_changeset_add_property(&ovcs->cset, target->np,
new_prop);
- else
+ } else {
ret = of_changeset_update_property(&ovcs->cset, target->np,
new_prop);
+ }
if (ret) {
kfree(new_prop->name);
@@ -382,9 +388,10 @@ static int add_changeset_node(struct overlay_changeset *ovcs,
struct target *target, struct device_node *node)
{
const char *node_kbasename;
+ const __be32 *phandle;
struct device_node *tchild;
struct target target_child;
- int ret = 0;
+ int ret = 0, size;
node_kbasename = kbasename(node->full_name);
@@ -398,6 +405,19 @@ static int add_changeset_node(struct overlay_changeset *ovcs,
return -ENOMEM;
tchild->parent = target->np;
+ tchild->name = __of_get_property(node, "name", NULL);
+ tchild->type = __of_get_property(node, "device_type", NULL);
+
+ if (!tchild->name)
+ tchild->name = "<NULL>";
+ if (!tchild->type)
+ tchild->type = "<NULL>";
+
+ /* ignore obsolete "linux,phandle" */
+ phandle = __of_get_property(node, "phandle", &size);
+ if (phandle && (size == 4))
+ tchild->phandle = be32_to_cpup(phandle);
+
of_node_set_flag(tchild, OF_OVERLAY);
ret = of_changeset_attach_node(&ovcs->cset, tchild);
--
2.19.1