aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb
diff options
context:
space:
mode:
authorRicardo B. Marliere <ricardo@marliere.net>2024-03-01 18:19:28 -0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-03-02 20:21:06 +0100
commitc40b51b3f365f6bc903719acc4fac7eed8a56639 (patch)
tree7befb8ea9d6716cb556a5d618efbe616c740b288 /drivers/usb
parenta74c0c9c3f7fa6fba34196d142bab93509f17dba (diff)
downloadlinux-c40b51b3f365f6bc903719acc4fac7eed8a56639.tar.gz
usb: typec: constify struct class usage
Since commit 43a7206b0963 ("driver core: class: make class_register() take a const *"), the driver core allows for struct class to be in read-only memory, so move the structures typec_mux_class, retimer_class and typec_class to be declared at build time placing them into read-only memory, instead of having to be dynamically allocated at boot time. Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net> Link: https://lore.kernel.org/r/20240301-class_cleanup-usb-v1-1-50309e325095@marliere.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/typec/class.c2
-rw-r--r--drivers/usb/typec/class.h6
-rw-r--r--drivers/usb/typec/mux.c2
-rw-r--r--drivers/usb/typec/retimer.c2
4 files changed, 6 insertions, 6 deletions
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index caea2b8299800..389c7f0b8d935 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -21,7 +21,7 @@
static DEFINE_IDA(typec_index_ida);
-struct class typec_class = {
+const struct class typec_class = {
.name = "typec",
};
diff --git a/drivers/usb/typec/class.h b/drivers/usb/typec/class.h
index 759b98355eeb9..7485cdb9dd201 100644
--- a/drivers/usb/typec/class.h
+++ b/drivers/usb/typec/class.h
@@ -93,9 +93,9 @@ extern const struct device_type typec_port_dev_type;
#define is_typec_plug(dev) ((dev)->type == &typec_plug_dev_type)
#define is_typec_port(dev) ((dev)->type == &typec_port_dev_type)
-extern struct class typec_mux_class;
-extern struct class retimer_class;
-extern struct class typec_class;
+extern const struct class typec_mux_class;
+extern const struct class retimer_class;
+extern const struct class typec_class;
#if defined(CONFIG_ACPI)
int typec_link_ports(struct typec_port *connector);
diff --git a/drivers/usb/typec/mux.c b/drivers/usb/typec/mux.c
index 80dd91938d960..49926d6e72c71 100644
--- a/drivers/usb/typec/mux.c
+++ b/drivers/usb/typec/mux.c
@@ -469,6 +469,6 @@ void *typec_mux_get_drvdata(struct typec_mux_dev *mux_dev)
}
EXPORT_SYMBOL_GPL(typec_mux_get_drvdata);
-struct class typec_mux_class = {
+const struct class typec_mux_class = {
.name = "typec_mux",
};
diff --git a/drivers/usb/typec/retimer.c b/drivers/usb/typec/retimer.c
index 4a7d1b5c4d866..b519fcf358caf 100644
--- a/drivers/usb/typec/retimer.c
+++ b/drivers/usb/typec/retimer.c
@@ -155,6 +155,6 @@ void *typec_retimer_get_drvdata(struct typec_retimer *retimer)
}
EXPORT_SYMBOL_GPL(typec_retimer_get_drvdata);
-struct class retimer_class = {
+const struct class retimer_class = {
.name = "retimer",
};