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HCD_BUFFER_CREATE(9) | Host Controller APIs | HCD_BUFFER_CREATE(9) |
NAME¶
hcd_buffer_create - initialize buffer poolsSYNOPSIS¶
int
hcd_buffer_create(struct usb_hcd * hcd);
ARGUMENTS¶
hcdthe bus whose buffer pools are to be initialized
CONTEXT¶
! in_interruptDESCRIPTION¶
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¶
May 2018 | Kernel Hackers Manual 4.9. |