HCD_BUFFER_CREATE

Section: Host Controller APIs (9)
Updated: February 2011
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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, or returns a negative errno value on error.

Call hcd_buffer_destroy to clean up after using those pools.  

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