On Thu, 3 Jul 2014, Vladimir Zapolskiy wrote:
> ehci_mem_init() is executed one time during ehci_init() and by default
> all memory allocations but ehci->periodic are done not atomically,
> GFP_KERNEL is passed as flags parameter.
>
> Do similar allocation for ehci->periodic and free some space in
> coherent atomic DMA pool by default.
>
> Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Signed-off-by: Vladimir Zapolskiy <vladimir_zapolskiy@xxxxxxxxxx>
>
> ---
> drivers/usb/host/ehci-mem.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
> index c0fb6a8..b6205fa 100644
> --- a/drivers/usb/host/ehci-mem.c
> +++ b/drivers/usb/host/ehci-mem.c
> @@ -209,7 +209,7 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags)
> ehci->periodic = (__le32 *)
> dma_alloc_coherent (ehci_to_hcd(ehci)->self.controller,
> ehci->periodic_size * sizeof(__le32),
> - &ehci->periodic_dma, 0);
> + &ehci->periodic_dma, flags);
> if (ehci->periodic == NULL) {
> goto fail;
> }
Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Please make the same change in ohci-hcd.c and uhci-hcd.c.
Alan Stern
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
