RE: [PATCH v2] ARC: [plat-hsdk]: allow to switch between AXI DMAC port configurations

2019-07-22 Thread Alexey Brodkin
Hi Eugeniy, > -Original Message- > From: Eugeniy Paltsev > Sent: Monday, July 22, 2019 12:32 PM > To: linux-snps-arc@lists.infradead.org; Vineet Gupta > Cc: linux-ker...@vger.kernel.org; Alexey Brodkin ; > Eugeniy Paltsev > > Subject: [PATCH v2] ARC: [plat-hsdk]: allow to switch

[PATCH v9 01/21] arc: mm: Add p?d_leaf() definitions

2019-07-22 Thread Steven Price
walk_page_range() is going to be allowed to walk page tables other than those of user space. For this it needs to know when it has reached a 'leaf' entry in the page tables. This information will be provided by the p?d_leaf() functions/macros. For arc, we only have two levels, so only pmd_leaf()

[PATCH v2] ARC: [plat-hsdk]: allow to switch between AXI DMAC port configurations

2019-07-22 Thread Eugeniy Paltsev
We want to use DW AXI DMAC on HSDK board in our automated verification to test cache & dma kernel code changes. This is perfect candidate as we don't depend on any external peripherals like MMC card / USB storage / etc. To increase test coverage we want to test both options: * DW AXI DMAC is