1HCD_BUFFER_CREATE(9)         Host Controller APIs         HCD_BUFFER_CREATE(9)
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NAME

6       hcd_buffer_create - initialize buffer pools
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SYNOPSIS

9       int hcd_buffer_create(struct usb_hcd * hcd);
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ARGUMENTS

12       hcd
13           the bus whose buffer pools are to be initialized
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CONTEXT

16       !in_interrupt
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DESCRIPTION

19       Call this as part of initializing a host controller that uses the dma
20       memory allocators. It initializes some pools of dma-coherent memory
21       that will be shared by all drivers using that controller.
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23       Call hcd_buffer_destroy to clean up after using those pools.
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RETURN

26       0 if successful. A negative errno value otherwise.
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29Kernel Hackers Manual 3.10         June 2019              HCD_BUFFER_CREATE(9)
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