| HCD_BUFFER_CREATE(9) | Host Controller APIs | HCD_BUFFER_CREATE(9) |
NAME¶
hcd_buffer_create - initialize buffer pools
SYNOPSIS¶
int hcd_buffer_create(struct usb_hcd * hcd);
ARGUMENTS¶
hcd
the bus whose buffer pools are to be initialized
CONTEXT¶
!in_interrupt
DESCRIPTION¶
Call this as part of initializing a host controller that uses the dma memory allocators. It initializes some pools of dma-coherent memory that will be shared by all drivers using that controller.
Call hcd_buffer_destroy to clean up after using those pools.
RETURN¶
0 if successful. A negative errno value otherwise.
COPYRIGHT¶
| June 2024 | Kernel Hackers Manual 3.10 |