Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-08 Thread Murali Karicheri
On 01/08/2015 05:27 PM, Arnd Bergmann wrote: On Thursday 08 January 2015 09:56:39 Arnd Bergmann wrote: There is another interesting case, which is a USB host controller or something similar behind a PCI bus. These are quite common and also need to be handled in some form. Let's do just PCI first

Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-08 Thread Arnd Bergmann
On Thursday 08 January 2015 09:56:39 Arnd Bergmann wrote: > There is another interesting case, which is a USB host controller or > something similar behind a PCI bus. These are quite common and also > need to be handled in some form. Let's do just PCI first for now, but > be aware that this will co

Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-08 Thread Will Deacon
On Thu, Jan 08, 2015 at 08:56:39AM +, Arnd Bergmann wrote: > On Wednesday 07 January 2015 18:04:41 Murali Karicheri wrote: > > On 01/07/2015 04:18 PM, Arnd Bergmann wrote: > > > On Wednesday 07 January 2015 13:49:50 Murali Karicheri wrote: > > >> PCI devices on Keystone doesn't have correct dma

Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-08 Thread Murali Karicheri
On 01/07/2015 06:08 PM, Bjorn Helgaas wrote: On Wed, Jan 7, 2015 at 5:05 PM, Murali Karicheri wrote: On 01/07/2015 01:49 PM, Murali Karicheri wrote: PCI devices on Keystone doesn't have correct dma_pfn_offset set. This patch add capability to set the dma configuration such as dma-mask, dma_pf

Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-08 Thread Arnd Bergmann
On Wednesday 07 January 2015 18:04:41 Murali Karicheri wrote: > On 01/07/2015 04:18 PM, Arnd Bergmann wrote: > > On Wednesday 07 January 2015 13:49:50 Murali Karicheri wrote: > >> PCI devices on Keystone doesn't have correct dma_pfn_offset set. This patch > >> add capability to set the dma configur

Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-07 Thread Bjorn Helgaas
On Wed, Jan 7, 2015 at 5:05 PM, Murali Karicheri wrote: > On 01/07/2015 01:49 PM, Murali Karicheri wrote: >> >> PCI devices on Keystone doesn't have correct dma_pfn_offset set. This >> patch >> add capability to set the dma configuration such as dma-mask, >> dma_pfn_offset, >> and dma ops etc usin

Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-07 Thread Murali Karicheri
On 01/07/2015 01:49 PM, Murali Karicheri wrote: PCI devices on Keystone doesn't have correct dma_pfn_offset set. This patch add capability to set the dma configuration such as dma-mask, dma_pfn_offset, and dma ops etc using the information from DT. The prior RFCs and discussions are available at

Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-07 Thread Murali Karicheri
On 01/07/2015 04:18 PM, Arnd Bergmann wrote: On Wednesday 07 January 2015 13:49:50 Murali Karicheri wrote: PCI devices on Keystone doesn't have correct dma_pfn_offset set. This patch add capability to set the dma configuration such as dma-mask, dma_pfn_offset, and dma ops etc using the informati

Re: [PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-07 Thread Arnd Bergmann
On Wednesday 07 January 2015 13:49:50 Murali Karicheri wrote: > PCI devices on Keystone doesn't have correct dma_pfn_offset set. This patch > add capability to set the dma configuration such as dma-mask, dma_pfn_offset, > and dma ops etc using the information from DT. The prior RFCs and discussions

[PATCH v3 0/4] PCI: get DMA configuration from parent device

2015-01-07 Thread Murali Karicheri
PCI devices on Keystone doesn't have correct dma_pfn_offset set. This patch add capability to set the dma configuration such as dma-mask, dma_pfn_offset, and dma ops etc using the information from DT. The prior RFCs and discussions are available at [1] and [2] below. [2] : https://www.mail-archive