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Input: make input_class constant

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Since commit 43a7206b09 ("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 input_class structure to be declared at build time
placing it into read-only memory, instead of having to be dynamically
allocated at boot time.

Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Link: https://lore.kernel.org/r/20240305-class_cleanup-input-v1-1-0c3d950c25db@marliere.net
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Ricardo B. Marliere 2024-03-09 21:10:08 -08:00 committed by Dmitry Torokhov
parent 1099a04ccc
commit a4735d40a5
2 changed files with 2 additions and 2 deletions
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2
drivers/input/input.c
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@ -1918,7 +1918,7 @@ static char *input_devnode(const struct device *dev, umode_t *mode)
return kasprintf(GFP_KERNEL, "input/%s", dev_name(dev));
}
struct class input_class = {
const struct class input_class = {
.name = "input",
.devnode = input_devnode,
};

2
include/linux/input.h
View File

@ -514,7 +514,7 @@ void input_enable_softrepeat(struct input_dev *dev, int delay, int period);
bool input_device_enabled(struct input_dev *dev);
extern struct class input_class;
extern const struct class input_class;
/**
* struct ff_device - force-feedback part of an input device