From: Ricardo B. Marliere Date: Mon, 19 Feb 2024 12:38:47 +0000 (-0300) Subject: i2c: constify the struct device_type usage X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=eb52034436a58e742ceea0dcf2f003f83a3449a5;p=linux.git i2c: constify the struct device_type usage Since commit aed65af1cc2f ("drivers: make device_type const"), the driver core can properly handle constant struct device_type. Move the i2c_adapter_type and i2c_client_type variables to be constant structures as well, placing it into read-only memory which can not be modified at runtime. Signed-off-by: Ricardo B. Marliere Signed-off-by: Wolfram Sang --- diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-base.c index 3bd48d4b6318f..ff5c486a1dbb1 100644 --- a/drivers/i2c/i2c-core-base.c +++ b/drivers/i2c/i2c-core-base.c @@ -701,7 +701,7 @@ const struct bus_type i2c_bus_type = { }; EXPORT_SYMBOL_GPL(i2c_bus_type); -struct device_type i2c_client_type = { +const struct device_type i2c_client_type = { .groups = i2c_dev_groups, .uevent = i2c_device_uevent, .release = i2c_client_dev_release, @@ -1343,7 +1343,7 @@ static struct attribute *i2c_adapter_attrs[] = { }; ATTRIBUTE_GROUPS(i2c_adapter); -struct device_type i2c_adapter_type = { +const struct device_type i2c_adapter_type = { .groups = i2c_adapter_groups, .release = i2c_adapter_dev_release, }; diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 652ecb7abedae..ff93ff8b257ce 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -24,8 +24,8 @@ #include extern const struct bus_type i2c_bus_type; -extern struct device_type i2c_adapter_type; -extern struct device_type i2c_client_type; +extern const struct device_type i2c_adapter_type; +extern const struct device_type i2c_client_type; /* --- General options ------------------------------------------------ */