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MIPS: Netlogic: Fix USB block's coherent DMA mask

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The on-chip USB controller on Netlogic XLP does not suppport
DMA beyond 32-bit physical address. Set the coherent_dma_mask
of the USB in its PCI fixup to support this.

Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com>
Signed-off-by: Jayachandran C. <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5596/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ganesan Ramalingam 2013-07-17 10:27:25 +00:00 • committed by Ralf Baechle
parent afc813ae6d
commit 35ac7840bc
1 changed files with 1 additions and 1 deletions
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2
arch/mips/netlogic/xlp/usb-init.c
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@ -119,7 +119,7 @@ static u64 xlp_usb_dmamask = ~(u32)0;
static void nlm_usb_fixup_final(struct pci_dev *dev)
{
dev->dev.dma_mask = &xlp_usb_dmamask;
dev->dev.coherent_dma_mask = DMA_BIT_MASK(64);
dev->dev.coherent_dma_mask = DMA_BIT_MASK(32);
switch (dev->devfn) {
case 0x10:
dev->irq = PIC_EHCI_0_IRQ;