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Commit 4428524d authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Greg Kroah-Hartman
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USB: OHCI: don't allocate HCCA atomically 



OHCI HCCA memory region is allocated from atomic DMA pool one time
during usb_add_hcd() and deallocated by usb_remove_hcd().

Do non-atomic allocation of OHCI HCCA and free some space in
coherent atomic DMA pool.

Signed-off-by: default avatarVladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f589b3e0

drivers/usb/host/ohci-hcd.c

+1 −1
Original line number Diff line number Diff line
@@ -559,7 +559,7 @@ static int ohci_init (struct ohci_hcd *ohci) 
		return 0;



	ohci->hcca = dma_alloc_coherent (hcd->self.controller,

			sizeof *ohci->hcca, &ohci->hcca_dma, 0);

			sizeof(*ohci->hcca), &ohci->hcca_dma, GFP_KERNEL);

	if (!ohci->hcca)

		return -ENOMEM;