diff options
| author | Ganesan Ramalingam <ganesanr@broadcom.com> | 2013-07-17 10:27:25 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-07-19 10:23:14 +0200 |
| commit | 35ac7840bca23a0fcfb53cc433ae1fd6dc6d35c0 (patch) | |
| tree | 205887d83aaa9ad624c719248987062d729ff05d /arch | |
| parent | afc813ae6d01eb4bb03fe67ed74c76608e3db089 (diff) | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/netlogic/xlp/usb-init.c | 2 |
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; |