Re: [PATCH] ARM: zynq: Reserve correct amount of non-DMA RAM

2016-11-14 Thread Michal Simek
On 10.11.2016 10:57, Nathan Rossi wrote: > On 10 November 2016 at 19:33, Nathan Rossi wrote: >> On 10 November 2016 at 18:41, Michal Simek wrote: >>> + Nathan >>> >>> 2016-10-31 17:26 GMT+01:00 Kyle Roeschley : On Zynq, we haven't been reserving the correct amount of DMA-incapable

Re: [PATCH] ARM: zynq: Reserve correct amount of non-DMA RAM

2016-11-10 Thread Nathan Rossi
On 10 November 2016 at 19:33, Nathan Rossi wrote: > On 10 November 2016 at 18:41, Michal Simek wrote: >> + Nathan >> >> 2016-10-31 17:26 GMT+01:00 Kyle Roeschley : >>> >>> On Zynq, we haven't been reserving the correct amount of DMA-incapable >>> RAM to keep DMA away from it (per the Zynq TRM Sec

Re: [PATCH] ARM: zynq: Reserve correct amount of non-DMA RAM

2016-11-10 Thread Nathan Rossi
On 10 November 2016 at 18:41, Michal Simek wrote: > + Nathan > > 2016-10-31 17:26 GMT+01:00 Kyle Roeschley : >> >> On Zynq, we haven't been reserving the correct amount of DMA-incapable >> RAM to keep DMA away from it (per the Zynq TRM Section 4.1, it should be >> the first 512k). In older kernels

[PATCH] ARM: zynq: Reserve correct amount of non-DMA RAM

2016-10-31 Thread Kyle Roeschley
On Zynq, we haven't been reserving the correct amount of DMA-incapable RAM to keep DMA away from it (per the Zynq TRM Section 4.1, it should be the first 512k). In older kernels, this was masked by the memblock_reserve call in arm_memblock_init(). Now, reserve the correct amount excplicitly rather