Re: [PATCH v2 4/4] dmaengine: rcar-dmac: Add support for R-Car V3U

2021-01-27 Thread Laurent Pinchart
Hi Geert, On Wed, Jan 27, 2021 at 09:10:40AM +0100, Geert Uytterhoeven wrote: > On Tue, Jan 26, 2021 at 11:01 PM Laurent Pinchart wrote: > > On Mon, Jan 25, 2021 at 03:24:31PM +0100, Geert Uytterhoeven wrote: > > > The DMACs (both SYS-DMAC and RT-DMAC) on R-Car V3U differ slightly from > > > the

Re: [PATCH v2 4/4] dmaengine: rcar-dmac: Add support for R-Car V3U

2021-01-27 Thread Geert Uytterhoeven
Hi Laurent, On Tue, Jan 26, 2021 at 11:01 PM Laurent Pinchart wrote: > On Mon, Jan 25, 2021 at 03:24:31PM +0100, Geert Uytterhoeven wrote: > > The DMACs (both SYS-DMAC and RT-DMAC) on R-Car V3U differ slightly from > > the DMACs on R-Car Gen2 and other R-Car Gen3 SoCs: > > 1. The per-channel

Re: [PATCH v2 4/4] dmaengine: rcar-dmac: Add support for R-Car V3U

2021-01-26 Thread Laurent Pinchart
Hi Geert, Thank you for the patch. On Mon, Jan 25, 2021 at 03:24:31PM +0100, Geert Uytterhoeven wrote: > The DMACs (both SYS-DMAC and RT-DMAC) on R-Car V3U differ slightly from > the DMACs on R-Car Gen2 and other R-Car Gen3 SoCs: > 1. The per-channel registers are located in a second register

Re: [PATCH v2 4/4] dmaengine: rcar-dmac: Add support for R-Car V3U

2021-01-26 Thread Wolfram Sang
On Mon, Jan 25, 2021 at 03:24:31PM +0100, Geert Uytterhoeven wrote: > The DMACs (both SYS-DMAC and RT-DMAC) on R-Car V3U differ slightly from > the DMACs on R-Car Gen2 and other R-Car Gen3 SoCs: > 1. The per-channel registers are located in a second register block. > Add support for mapping

[PATCH v2 4/4] dmaengine: rcar-dmac: Add support for R-Car V3U

2021-01-25 Thread Geert Uytterhoeven
The DMACs (both SYS-DMAC and RT-DMAC) on R-Car V3U differ slightly from the DMACs on R-Car Gen2 and other R-Car Gen3 SoCs: 1. The per-channel registers are located in a second register block. Add support for mapping the second block, using the appropriate offsets and stride. 2. The