Re: [PATCH 4/8] PCI: host: brcmstb: add dma-ranges for inbound traffic

2017-10-25 Thread Jim Quinlan
On Wed, Oct 25, 2017 at 5:46 AM, David Laight wrote: > From: Jim QuinlanPCIE_IPROC_MSI >> Sent: 24 October 2017 19:16 >> The Broadcom STB PCIe host controller is intimately related to the >> memory subsystem. This close relationship adds complexity to how cpu >> system memory is mapped to PCIe me

RE: [PATCH 4/8] PCI: host: brcmstb: add dma-ranges for inbound traffic

2017-10-25 Thread David Laight
From: Jim Quinlan > Sent: 24 October 2017 19:16 > The Broadcom STB PCIe host controller is intimately related to the > memory subsystem. This close relationship adds complexity to how cpu > system memory is mapped to PCIe memory. Ideally, this mapping is an > identity mapping, or an identity mapp