From: Michael Walle <michael-QKn5cuLxLXY@public.gmane.org>
To: Vladimir Oltean <olteanv-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
eha-/iRVSOupHO4@public.gmane.org,
angelo-BIYBQhTR83Y@public.gmane.org,
andrew.smirnov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org,
gustavo-L1vi/lXTdts+Va1GwOuvDg@public.gmane.org,
weic-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
mhosny-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
peng.ma-3arQi8VN3Tc@public.gmane.org
Subject: Re: [PATCH v5 00/12] NXP DSPI bugfixes and support for LS1028A
Date: Wed, 18 Mar 2020 20:03:28 +0100 [thread overview]
Message-ID: <d37b6e0f8a35ae61bbfe147cd5809ec2@walle.cc> (raw)
In-Reply-To: <20200318001603.9650-1-olteanv-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Am 2020-03-18 01:15, schrieb Vladimir Oltean:
> From: Vladimir Oltean <vladimir.oltean-3arQi8VN3Tc@public.gmane.org>
>
> This series addresses a few issues that were missed during the previous
> series "[PATCH 00/12] TCFQ to XSPI migration for NXP DSPI driver", on
> SoCs other than LS1021A and LS1043A. DMA mode has been completely
> broken
> by that series, and XSPI mode never worked on little-endian
> controllers.
>
> Then it introduces support for the LS1028A chip, whose compatible has
> recently been documented here:
>
> https://lore.kernel.org/linux-devicetree/20200218171418.18297-1-michael-QKn5cuLxLXY@public.gmane.org/
>
> The device tree for the LS1028A SoC is extended with DMA channels
> definition, such that even though the default operating mode is XSPI,
> one can simply change DSPI_XSPI_MODE to DSPI_DMA_MODE in the
> devtype_data structure of the driver and use that instead.
>
> Compared to earlier v4, the only change is in patch 05/12 to fix a race
> condition signaled by Michael Walle here:
> https://lkml.org/lkml/2020/3/17/740
>
> I don't expect the "fixes" patches to reach very far down the stable
> pipe, since there has been pretty heavy refactoring in this driver.
>
> For testing, benchmarking and debugging, the mikroBUS connector on the
> LS1028A-RDB is made available via spidev.
Patches 1-11:
Tested-by: Michael Walle <michael-QKn5cuLxLXY@public.gmane.org>
Thanks Vladimir for the great work.
-michael
>
> Vladimir Oltean (12):
> spi: spi-fsl-dspi: Don't access reserved fields in SPI_MCR
> spi: spi-fsl-dspi: Fix little endian access to PUSHR CMD and TXDATA
> spi: spi-fsl-dspi: Fix bits-per-word acceleration in DMA mode
> spi: spi-fsl-dspi: Avoid reading more data than written in EOQ mode
> spi: spi-fsl-dspi: Protect against races on dspi->words_in_flight
> spi: spi-fsl-dspi: Replace interruptible wait queue with a simple
> completion
> spi: spi-fsl-dspi: Avoid NULL pointer in dspi_slave_abort for non-DMA
> mode
> spi: spi-fsl-dspi: Fix interrupt-less DMA mode taking an XSPI code
> path
> spi: spi-fsl-dspi: Move invariant configs out of
> dspi_transfer_one_message
> spi: spi-fsl-dspi: Add support for LS1028A
> arm64: dts: ls1028a: Specify the DMA channels for the DSPI
> controllers
> arm64: dts: ls1028a-rdb: Add a spidev node for the mikroBUS
>
> .../boot/dts/freescale/fsl-ls1028a-rdb.dts | 14 +
> .../arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 6 +
> drivers/spi/spi-fsl-dspi.c | 324 +++++++++---------
> 3 files changed, 182 insertions(+), 162 deletions(-)
next prev parent reply other threads:[~2020-03-18 19:03 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-18 0:15 [PATCH v5 00/12] NXP DSPI bugfixes and support for LS1028A Vladimir Oltean
2020-03-18 0:15 ` [PATCH v5 06/12] spi: spi-fsl-dspi: Replace interruptible wait queue with a simple completion Vladimir Oltean
[not found] ` <20200318001603.9650-1-olteanv-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-03-18 0:15 ` [PATCH v5 01/12] spi: spi-fsl-dspi: Don't access reserved fields in SPI_MCR Vladimir Oltean
2020-03-18 0:15 ` [PATCH v5 02/12] spi: spi-fsl-dspi: Fix little endian access to PUSHR CMD and TXDATA Vladimir Oltean
2020-03-18 0:15 ` [PATCH v5 03/12] spi: spi-fsl-dspi: Fix bits-per-word acceleration in DMA mode Vladimir Oltean
2020-03-18 0:15 ` [PATCH v5 04/12] spi: spi-fsl-dspi: Avoid reading more data than written in EOQ mode Vladimir Oltean
2020-03-18 0:15 ` [PATCH v5 05/12] spi: spi-fsl-dspi: Protect against races on dspi->words_in_flight Vladimir Oltean
[not found] ` <20200318001603.9650-6-olteanv-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2020-03-18 22:45 ` Applied "spi: spi-fsl-dspi: Protect against races on dspi->words_in_flight" to the spi tree Mark Brown
2020-03-18 0:15 ` [PATCH v5 07/12] spi: spi-fsl-dspi: Avoid NULL pointer in dspi_slave_abort for non-DMA mode Vladimir Oltean
2020-03-18 0:16 ` [PATCH v5 09/12] spi: spi-fsl-dspi: Move invariant configs out of dspi_transfer_one_message Vladimir Oltean
2020-03-18 0:16 ` [PATCH v5 12/12] arm64: dts: ls1028a-rdb: Add a spidev node for the mikroBUS Vladimir Oltean
2020-04-20 14:38 ` Shawn Guo
2020-04-20 15:10 ` Vladimir Oltean
2020-04-21 3:00 ` Shawn Guo
2020-04-20 18:06 ` Geert Uytterhoeven
2020-04-20 18:10 ` Vladimir Oltean
2020-03-18 19:03 ` Michael Walle [this message]
[not found] ` <d37b6e0f8a35ae61bbfe147cd5809ec2-QKn5cuLxLXY@public.gmane.org>
2020-03-18 19:05 ` [PATCH v5 00/12] NXP DSPI bugfixes and support for LS1028A Vladimir Oltean
2020-03-18 0:15 ` [PATCH v5 08/12] spi: spi-fsl-dspi: Fix interrupt-less DMA mode taking an XSPI code path Vladimir Oltean
2020-03-18 0:16 ` [PATCH v5 10/12] spi: spi-fsl-dspi: Add support for LS1028A Vladimir Oltean
2020-03-18 0:16 ` [PATCH v5 11/12] arm64: dts: ls1028a: Specify the DMA channels for the DSPI controllers Vladimir Oltean
2020-04-20 14:36 ` Shawn Guo
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=d37b6e0f8a35ae61bbfe147cd5809ec2@walle.cc \
--to=michael-qkn5culxlxy@public.gmane.org \
--cc=andrew.smirnov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=angelo-BIYBQhTR83Y@public.gmane.org \
--cc=broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=eha-/iRVSOupHO4@public.gmane.org \
--cc=gustavo-L1vi/lXTdts+Va1GwOuvDg@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=mark.rutland-5wv7dgnIgG8@public.gmane.org \
--cc=mhosny-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org \
--cc=olteanv-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org \
--cc=peng.ma-3arQi8VN3Tc@public.gmane.org \
--cc=robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org \
--cc=weic-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).