linux-kernel - Re: [PATCH v1 0/8] spi: Rework DMA mapped flag

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Message-ID: <7c54ed90-538c-4b32-91f4-85bf6c27cd6c@linaro.org>
Date: Mon, 3 Jun 2024 11:10:54 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
 Mark Brown <broonie@...nel.org>, Yang Yingliang <yangyingliang@...wei.com>,
 Christophe JAILLET <christophe.jaillet@...adoo.fr>,
 Thangaraj Samynathan <thangaraj.s@...rochip.com>, linux-spi@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-arm-msm@...r.kernel.org
Cc: Serge Semin <fancer.lancer@...il.com>, Daniel Mack <daniel@...que.org>,
 Haojian Zhuang <haojian.zhuang@...il.com>,
 Robert Jarzmik <robert.jarzmik@...e.fr>,
 Nícolas F . R . A . Prado <nfraprado@...labora.com>
Subject: Re: [PATCH v1 0/8] spi: Rework DMA mapped flag

On 31/05/2024 21:42, Andy Shevchenko wrote:
> The first part of the series (patches 1 to 7) is an introduction
> of a new helper followed by the user conversion.
> 
> This consolidates the same code and also makes patch 8 (last one)
> be localised to the SPI core part.
> 
> The last patch is the main rework to get rid of a recently introduced
> hack with a dummy SG list and move to the transfer-based DMA mapped
> flag.
> 
> That said, the patches 1 to 7 may be applied right away since they
> have no functional change intended, while the last one needs more
> testing and reviewing.
> 
> Andy Shevchenko (8):
>    spi: Introduce internal spi_xfer_is_dma_mapped() helper
>    spi: dw: Use new spi_xfer_is_dma_mapped() helper
>    spi: ingenic: Use new spi_xfer_is_dma_mapped() helper
>    spi: omap2-mcspi: Use new spi_xfer_is_dma_mapped() helper
>    spi: pxa2xx: Use new spi_xfer_is_dma_mapped() helper
>    spi: pci1xxxx: Use new spi_xfer_is_dma_mapped() helper
>    spi: qup: Use new spi_xfer_is_dma_mapped() helper
>    spi: Rework per message DMA mapped flag to be per transfer
> 
>   drivers/spi/internals.h       |  8 ++++
>   drivers/spi/spi-dw-core.c     |  4 +-
>   drivers/spi/spi-ingenic.c     |  4 +-
>   drivers/spi/spi-omap2-mcspi.c |  8 ++--
>   drivers/spi/spi-pci1xxxx.c    |  5 ++-
>   drivers/spi/spi-pxa2xx.c      |  6 +--
>   drivers/spi/spi-qup.c         |  9 ++---
>   drivers/spi/spi.c             | 73 +++++++++++++----------------------
>   include/linux/spi/spi.h       | 11 ++++--
>   9 files changed, 59 insertions(+), 69 deletions(-)
> 

I applied the serie on next-20240603, it worked fine:

Tested-by: Neil Armstrong <neil.armstrong@...aro.org> # on SM8650-QRD

Thanks,
Neil