diff options
author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-03-01 18:19:28 -0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-03-02 20:21:06 +0100 |
commit | c40b51b3f365f6bc903719acc4fac7eed8a56639 (patch) | |
tree | 7befb8ea9d6716cb556a5d618efbe616c740b288 /drivers/usb | |
parent | a74c0c9c3f7fa6fba34196d142bab93509f17dba (diff) | |
download | linux-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.c | 2 | ||||
-rw-r--r-- | drivers/usb/typec/class.h | 6 | ||||
-rw-r--r-- | drivers/usb/typec/mux.c | 2 | ||||
-rw-r--r-- | drivers/usb/typec/retimer.c | 2 |
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", }; |