The Linux-USB Host Side API
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hcd_buffer_create

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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usb_hcd_pci_resume	Up	hcd_buffer_destroy