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usb: ulpi: make ops struct constant 

None of the core ulpi functions perform any changes to the operations
struct, and logically as a struct that contains function pointers
there's no reason it shouldn't be constant.

Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Tal Shorer <tal.shorer@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Tal Shorer 2016-08-16 19:04:52 +03:00 committed by Felipe Balbi
parent 042b0f31b2
commit b9454f90c9
3 changed files with 4 additions and 3 deletions
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3
drivers/usb/common/ulpi.c
View File

@ -202,7 +202,8 @@ static int ulpi_register(struct device *dev, struct ulpi *ulpi)
* Allocates and registers a ULPI device and an interface for it. Called from
* the USB controller that provides the ULPI interface.
*/
struct ulpi *ulpi_register_interface(struct device *dev, struct ulpi_ops *ops)
struct ulpi *ulpi_register_interface(struct device *dev,
const struct ulpi_ops *ops)
{
struct ulpi *ulpi;
int ret;

2
include/linux/ulpi/driver.h
View File

@ -15,7 +15,7 @@ struct ulpi_ops;
*/
struct ulpi {
struct ulpi_device_id id;
struct ulpi_ops *ops;
const struct ulpi_ops *ops;
struct device dev;
};

2
include/linux/ulpi/interface.h
View File

@ -16,7 +16,7 @@ struct ulpi_ops {
int (*write)(struct device *dev, u8 addr, u8 val);
};
struct ulpi *ulpi_register_interface(struct device *, struct ulpi_ops *);
struct ulpi *ulpi_register_interface(struct device *, const struct ulpi_ops *);
void ulpi_unregister_interface(struct ulpi *);
#endif /* __LINUX_ULPI_INTERFACE_H */