linux-kernel - Re: [PATCH v6 00/16] spi: dw: Add generic DW DMA controller support

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Message-ID: <20200529172642.hcnvyzv2ocizsvpy@mobilestation>
Date:   Fri, 29 May 2020 20:26:42 +0300
From:   Serge Semin <Sergey.Semin@...kalelectronics.ru>
To:     Mark Brown <broonie@...nel.org>
CC:     Serge Semin <fancer.lancer@...il.com>,
        Ekaterina Skachko <Ekaterina.Skachko@...kalelectronics.ru>,
        Feng Tang <feng.tang@...el.com>, <devicetree@...r.kernel.org>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Georgy Vlasov <Georgy.Vlasov@...kalelectronics.ru>,
        Pavel Parkhomenko <Pavel.Parkhomenko@...kalelectronics.ru>,
        Alexey Kolotnikov <Alexey.Kolotnikov@...kalelectronics.ru>,
        <linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Vadim Vlasov <V.Vlasov@...kalelectronics.ru>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        <linux-mips@...r.kernel.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rob Herring <robh+dt@...nel.org>,
        Ramil Zaripov <Ramil.Zaripov@...kalelectronics.ru>,
        Arnd Bergmann <arnd@...db.de>,
        Maxim Kaurkin <Maxim.Kaurkin@...kalelectronics.ru>
Subject: Re: [PATCH v6 00/16] spi: dw: Add generic DW DMA controller support

Mark

On Fri, May 29, 2020 at 06:18:32PM +0100, Mark Brown wrote:
> On Fri, 29 May 2020 16:11:49 +0300, Serge Semin wrote:
> > Baikal-T1 SoC provides a DW DMA controller to perform low-speed peripherals
> > Mem-to-Dev and Dev-to-Mem transaction. This is also applicable to the DW
> > APB SSI devices embedded into the SoC. Currently the DMA-based transfers
> > are supported by the DW APB SPI driver only as a middle layer code for
> > Intel MID/Elkhart PCI devices. Seeing the same code can be used for normal
> > platform DMAC device we introduced a set of patches to fix it within this
> > series.
> > 
> > [...]
> 
> Applied to
> 
>    https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi.git for-next
> 
> Thanks!
> 
> [01/15] spi: dw: Set xfer effective_speed_hz
>         commit: de4c2875a5ff2c886df60f2086c6affca83f890a
> [02/15] spi: dw: Return any value retrieved from the dma_transfer callback
>         commit: f0410bbf7d0fb80149e3b17d11d31f5b5197873e
> [03/15] spi: dw: Locally wait for the DMA transfers completion
>         commit: bdbdf0f06337d3661b64c0288c291cb06624065e
> [04/15] spi: dw: Add SPI Tx-done wait method to DMA-based transfer
>         commit: 1ade2d8a72f9240825f6be050f0d49c840f7daeb
> [05/15] spi: dw: Add SPI Rx-done wait method to DMA-based transfer
>         commit: 33726eff3d98e643f7d7a0940f4024844b430c82
> [06/15] spi: dw: Parameterize the DMA Rx/Tx burst length
>         commit: c534df9d6225314d1403e4330a22d68c35e0eb55
> [07/15] spi: dw: Use DMA max burst to set the request thresholds
>         commit: 0b2b66514fc9971b3a6002ba038d74f77705fd34
> [08/15] spi: dw: Fix Rx-only DMA transfers
>         commit: 46164fde6b7890e7a3982d54549947c8394c0192
> [09/15] spi: dw: Add core suffix to the DW APB SSI core source file
>         commit: 77ccff803d27279ccc100dc906c6f456c8fa515c
> [10/15] spi: dw: Move Non-DMA code to the DW PCIe-SPI driver
>         commit: 6c710c0cb6725bdbe647b958756685aed0295936
> [11/15] spi: dw: Remove DW DMA code dependency from DW_DMAC_PCI
>         commit: 06cfadb8c51b05c6b91c2d43e0fe72b3d643dced
> [12/15] spi: dw: Add DW SPI DMA/PCI/MMIO dependency on the DW SPI core
>         commit: ecb3a67edfd353837dc23b538fb250d1dfd88e7b
> [13/15] spi: dw: Cleanup generic DW DMA code namings
>         commit: 57784411728ff4d72ae051fdbba1e54fcb1f8d6f
> [14/15] spi: dw: Add DMA support to the DW SPI MMIO driver
>         commit: 0fdad596d46b28d5c3e39d1897c5e3878b64d9a2
> [15/15] spi: dw: Use regset32 DebugFS method to create regdump file
>         commit: 8378449d1f79add31be77e77fc7df9f639878e9c

You must have missed the patch 16:
0e8332aaf059 dt-bindings: spi: Convert DW SPI binding to DT schema
As you can see it has been acked by Rob. So you can also merge it into your
repo. Though It has to be rebased first due to the Dinh Nguyen patches
recently merged in. Do you want me to do the rebasing?

-Sergey

> 
> All being well this means that it will be integrated into the linux-next
> tree (usually sometime in the next 24 hours) and sent to Linus during
> the next merge window (or sooner if it is a bug fix), however if
> problems are discovered then the patch may be dropped or reverted.
> 
> You may get further e-mails resulting from automated or manual testing
> and review of the tree, please engage with people reporting problems and
> send followup patches addressing any issues that are reported if needed.
> 
> If any updates are required or you are submitting further changes they
> should be sent as incremental updates against current git, existing
> patches will not be replaced.
> 
> Please add any relevant lists and maintainers to the CCs when replying
> to this mail.
> 
> Thanks,
> Mark