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binding a device driver could fail.. handle this case

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14493 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Christian Gmeiner 2007-08-28 20:50:41 +00:00
parent 195ef597f5
commit 4474d6827c
6 changed files with 19 additions and 11 deletions
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5
firmware/usbstack/drivers/device/usb_serial.c
View file

@ -169,7 +169,7 @@ void usb_serial_driver_init(void)
/*-------------------------------------------------------------------------*/
void usb_serial_driver_bind(void* controler_ops)
int usb_serial_driver_bind(void* controler_ops)
{
logf("usb serial: bind");
ops = controler_ops;
@ -201,10 +201,11 @@ void usb_serial_driver_bind(void* controler_ops)
serial_debug_desc.bDebugInEndpoint = dev.in->ep_num;
serial_debug_desc.bDebugOutEndpoint = dev.out->ep_num;
return;
return 0;
autoconf_fail:
logf("failed to find endpoints");
return -EOPNOTSUPP;
}
int usb_serial_driver_request(struct usb_ctrlrequest* request)

2
firmware/usbstack/drivers/device/usb_serial.h
View file

@ -25,7 +25,7 @@
/* register serial driver in usb stack */
void usb_serial_driver_init(void);
void usb_serial_driver_bind(void* controller_ops);
int usb_serial_driver_bind(void* controller_ops);
int usb_serial_driver_request(struct usb_ctrlrequest* req);
void usb_serial_driver_speed(enum usb_device_speed speed);

5
firmware/usbstack/drivers/device/usb_storage.c
View file

@ -160,7 +160,7 @@ void usb_storage_driver_init(void)
/*-------------------------------------------------------------------------*/
/* device driver ops */
void usb_storage_driver_bind(void* controler_ops)
int usb_storage_driver_bind(void* controler_ops)
{
ops = controler_ops;
@ -181,10 +181,11 @@ void usb_storage_driver_bind(void* controler_ops)
dev.out->claimed = true;
logf("usb storage: out: %s", dev.out->name);
return;
return 0;
autoconf_fail:
logf("failed to find endpoints");
return -EOPNOTSUPP;
}
int usb_storage_driver_request(struct usb_ctrlrequest* request)

4
firmware/usbstack/drivers/device/usb_storage.h
View file

@ -22,10 +22,10 @@
#include "usbstack/core.h"
/* register serial driver in usb stack */
/* register storage driver in usb stack */
void usb_storage_driver_init(void);
void usb_storage_driver_bind(void* controller_ops);
int usb_storage_driver_bind(void* controller_ops);
int usb_storage_driver_request(struct usb_ctrlrequest* req);
void usb_storage_driver_speed(enum usb_device_speed speed);