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Message-Id: <20210520002519.3538432-6-swboyd@chromium.org>
Date: Wed, 19 May 2021 17:25:17 -0700
From: Stephen Boyd <swboyd@...omium.org>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc: linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
Daniel Vetter <daniel.vetter@...ll.ch>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Rob Clark <robdclark@...il.com>,
Russell King <rmk+kernel@....linux.org.uk>,
Saravana Kannan <saravanak@...gle.com>
Subject: [PATCH 5/7] component: Use dev.parent instead of adev->parent
We left this in place to ease the code diff, but now we can remove it
because the aggregate device parent pointer is the same.
Cc: Daniel Vetter <daniel.vetter@...ll.ch>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>
Cc: Rob Clark <robdclark@...il.com>
Cc: Russell King <rmk+kernel@....linux.org.uk>
Cc: Saravana Kannan <saravanak@...gle.com>
Signed-off-by: Stephen Boyd <swboyd@...omium.org>
---
drivers/base/component.c | 37 +++++++++++++++++--------------------
1 file changed, 17 insertions(+), 20 deletions(-)
diff --git a/drivers/base/component.c b/drivers/base/component.c
index a6c0bb7ccdbc..155aab7eefa6 100644
--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -64,7 +64,6 @@ struct component_match {
struct aggregate_device {
const struct component_master_ops *ops;
- struct device *parent;
struct device dev;
struct component_match *match;
@@ -105,7 +104,7 @@ static int component_devices_show(struct seq_file *s, void *data)
seq_printf(s, "%-40s %20s\n", "aggregate_device name", "status");
seq_puts(s, "-------------------------------------------------------------\n");
seq_printf(s, "%-40s %20s\n\n",
- dev_name(m->parent), m->dev.driver ? "bound" : "not bound");
+ dev_name(m->dev.parent), m->dev.driver ? "bound" : "not bound");
seq_printf(s, "%-40s %20s\n", "device name", "status");
seq_puts(s, "-------------------------------------------------------------\n");
@@ -134,13 +133,13 @@ core_initcall(component_debug_init);
static void component_master_debugfs_add(struct aggregate_device *m)
{
- debugfs_create_file(dev_name(m->parent), 0444, component_debugfs_dir, m,
+ debugfs_create_file(dev_name(m->dev.parent), 0444, component_debugfs_dir, m,
&component_devices_fops);
}
static void component_master_debugfs_del(struct aggregate_device *m)
{
- debugfs_remove(debugfs_lookup(dev_name(m->parent), component_debugfs_dir));
+ debugfs_remove(debugfs_lookup(dev_name(m->dev.parent), component_debugfs_dir));
}
#else
@@ -203,7 +202,7 @@ static int find_components(struct aggregate_device *adev)
struct component_match_array *mc = &match->compare[i];
struct component *c;
- dev_dbg(adev->parent, "Looking for component %zu\n", i);
+ dev_dbg(adev->dev.parent, "Looking for component %zu\n", i);
if (match->compare[i].component)
continue;
@@ -212,7 +211,7 @@ static int find_components(struct aggregate_device *adev)
if (!c)
return 0;
- dev_dbg(adev->parent, "found component %s, duplicate %u\n",
+ dev_dbg(adev->dev.parent, "found component %s, duplicate %u\n",
dev_name(c->dev), !!c->adev);
/* Attach this component to the adev */
@@ -420,12 +419,12 @@ static int aggregate_device_match(struct device *dev, struct device_driver *drv)
/* TODO: Remove once all aggregate drivers use component_aggregate_register() */
static int component_probe_bind(struct aggregate_device *adev)
{
- return adev->ops->bind(adev->parent);
+ return adev->ops->bind(adev->dev.parent);
}
static void component_remove_unbind(struct aggregate_device *adev)
{
- adev->ops->unbind(adev->parent);
+ adev->ops->unbind(adev->dev.parent);
}
static int aggregate_driver_probe(struct device *dev)
@@ -443,7 +442,7 @@ static int aggregate_driver_probe(struct device *dev)
}
mutex_lock(&component_mutex);
- if (devres_open_group(adev->parent, NULL, GFP_KERNEL)) {
+ if (devres_open_group(adev->dev.parent, NULL, GFP_KERNEL)) {
ret = adrv->probe(adev);
if (ret)
devres_release_group(dev->parent, NULL);
@@ -549,8 +548,6 @@ static struct aggregate_device *aggregate_device_add(struct device *parent,
}
adev->id = id;
- adev->parent = parent;
-
adev->dev.parent = parent;
adev->dev.bus = &aggregate_bus_type;
adev->dev.release = aggregate_device_release;
@@ -709,7 +706,7 @@ static void component_unbind(struct component *component,
WARN_ON(!component->bound);
if (component->ops && component->ops->unbind)
- component->ops->unbind(component->dev, adev->parent, data);
+ component->ops->unbind(component->dev, adev->dev.parent, data);
component->bound = false;
/* Release all resources claimed in the binding of this component */
@@ -758,7 +755,7 @@ static int component_bind(struct component *component, struct aggregate_device *
* This allows us to roll-back a failed component without
* affecting anything else.
*/
- if (!devres_open_group(adev->parent, NULL, GFP_KERNEL))
+ if (!devres_open_group(adev->dev.parent, NULL, GFP_KERNEL))
return -ENOMEM;
/*
@@ -767,14 +764,14 @@ static int component_bind(struct component *component, struct aggregate_device *
* at the appropriate moment.
*/
if (!devres_open_group(component->dev, component, GFP_KERNEL)) {
- devres_release_group(adev->parent, NULL);
+ devres_release_group(adev->dev.parent, NULL);
return -ENOMEM;
}
- dev_dbg(adev->parent, "binding %s (ops %ps)\n",
+ dev_dbg(adev->dev.parent, "binding %s (ops %ps)\n",
dev_name(component->dev), component->ops);
- ret = component->ops->bind(component->dev, adev->parent, data);
+ ret = component->ops->bind(component->dev, adev->dev.parent, data);
if (!ret) {
component->bound = true;
@@ -785,16 +782,16 @@ static int component_bind(struct component *component, struct aggregate_device *
* can clean those resources up independently.
*/
devres_close_group(component->dev, NULL);
- devres_remove_group(adev->parent, NULL);
+ devres_remove_group(adev->dev.parent, NULL);
- dev_info(adev->parent, "bound %s (ops %ps)\n",
+ dev_info(adev->dev.parent, "bound %s (ops %ps)\n",
dev_name(component->dev), component->ops);
} else {
devres_release_group(component->dev, NULL);
- devres_release_group(adev->parent, NULL);
+ devres_release_group(adev->dev.parent, NULL);
if (ret != -EPROBE_DEFER)
- dev_err(adev->parent, "failed to bind %s (ops %ps): %d\n",
+ dev_err(adev->dev.parent, "failed to bind %s (ops %ps): %d\n",
dev_name(component->dev), component->ops, ret);
}
--
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