Re: [PATCH 1/3] arm64: extend ioremap for cacheable non-shareable memory

2017-04-25 Thread Mark Rutland
On Fri, Apr 21, 2017 at 02:30:32PM +, Roy Pledge wrote: > These transactions are done in HW via an ACP port which if I remember > correctly only supports non coherent transactions. I will need to go > back and check through email conversations I had with Catalin last > year when debugging an

Re: [PATCH 1/3] arm64: extend ioremap for cacheable non-shareable memory

2017-04-25 Thread Mark Rutland
On Fri, Apr 21, 2017 at 02:30:32PM +, Roy Pledge wrote: > These transactions are done in HW via an ACP port which if I remember > correctly only supports non coherent transactions. I will need to go > back and check through email conversations I had with Catalin last > year when debugging an

Re: [PATCH 1/3] arm64: extend ioremap for cacheable non-shareable memory

2017-04-21 Thread Roy Pledge
These transactions are done in HW via an ACP port which if I remember correctly only supports non coherent transactions. I will need to go back and check through email conversations I had with Catalin last year when debugging an issue using this mechanism (cacheable/nonshareable mapping) but

Re: [PATCH 1/3] arm64: extend ioremap for cacheable non-shareable memory

2017-04-21 Thread Roy Pledge
These transactions are done in HW via an ACP port which if I remember correctly only supports non coherent transactions. I will need to go back and check through email conversations I had with Catalin last year when debugging an issue using this mechanism (cacheable/nonshareable mapping) but

Re: [PATCH 1/3] arm64: extend ioremap for cacheable non-shareable memory

2017-04-21 Thread Mark Rutland
Hi, I notice you missed Catalin and Will from Cc. In future, please ensure that you Cc them when altering arm64 arch code. On Thu, Apr 20, 2017 at 03:34:16PM -0400, Haiying Wang wrote: > NXP arm64 based SoC needs to allocate cacheable and > non-shareable memory for the software portals of >

Re: [PATCH 1/3] arm64: extend ioremap for cacheable non-shareable memory

2017-04-21 Thread Mark Rutland
Hi, I notice you missed Catalin and Will from Cc. In future, please ensure that you Cc them when altering arm64 arch code. On Thu, Apr 20, 2017 at 03:34:16PM -0400, Haiying Wang wrote: > NXP arm64 based SoC needs to allocate cacheable and > non-shareable memory for the software portals of >