summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorGanesan Ramalingam <ganesanr@broadcom.com>2013-07-17 10:27:25 +0000
committerRalf Baechle <ralf@linux-mips.org>2013-07-19 10:23:14 +0200
commit35ac7840bca23a0fcfb53cc433ae1fd6dc6d35c0 (patch)
tree205887d83aaa9ad624c719248987062d729ff05d
parentafc813ae6d01eb4bb03fe67ed74c76608e3db089 (diff)
downloadlinux-sh-35ac7840bca23a0fcfb53cc433ae1fd6dc6d35c0.tar.gz
MIPS: Netlogic: Fix USB block's coherent DMA mask
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>
-rw-r--r--arch/mips/netlogic/xlp/usb-init.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/mips/netlogic/xlp/usb-init.c b/arch/mips/netlogic/xlp/usb-init.c
index 9c401dd78337..ef3897ef0dc7 100644
--- a/arch/mips/netlogic/xlp/usb-init.c
+++ b/arch/mips/netlogic/xlp/usb-init.c
@@ -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;