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authorTal Shorer <tal.shorer@gmail.com>2016-08-16 19:04:52 +0300
committerFelipe Balbi <felipe.balbi@linux.intel.com>2016-09-06 10:47:25 +0300
commitb9454f90c9432e1a70389c26c34e972090efcec6 (patch)
tree94b271db66cb6dc3895fc1203b759448464de28c
parent042b0f31b2a87799a9c832f71474c5be3517e139 (diff)
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>
-rw-r--r--drivers/usb/common/ulpi.c3
-rw-r--r--include/linux/ulpi/driver.h2
-rw-r--r--include/linux/ulpi/interface.h2
3 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
index 0439e9638813..d4ff6df859eb 100644
--- a/drivers/usb/common/ulpi.c
+++ b/drivers/usb/common/ulpi.c
@@ -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;
diff --git a/include/linux/ulpi/driver.h b/include/linux/ulpi/driver.h
index 388f6e08b9d4..a44408f6d532 100644
--- a/include/linux/ulpi/driver.h
+++ b/include/linux/ulpi/driver.h
@@ -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;
};
diff --git a/include/linux/ulpi/interface.h b/include/linux/ulpi/interface.h
index cdedac87ed48..a2011a919eb6 100644
--- a/include/linux/ulpi/interface.h
+++ b/include/linux/ulpi/interface.h
@@ -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 */