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From: Tudor Ambarus <tudor.ambarus@linaro.org>
To: broonie@kernel.org, robh@kernel.org, andi.shyti@kernel.org,
	semen.protsenko@linaro.org
Cc: krzysztof.kozlowski@linaro.org, alim.akhtar@samsung.com,
	linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, andre.draszik@linaro.org,
	peter.griffin@linaro.org, kernel-team@android.com,
	willmcvicker@google.com, conor+dt@kernel.org,
	devicetree@vger.kernel.org, arnd@arndb.de,
	Tudor Ambarus <tudor.ambarus@linaro.org>
Subject: [PATCH 00/12] spi: s3c64xx: remove OF alias ID dependency
Date: Thu,  8 Feb 2024 13:50:33 +0000	[thread overview]
Message-ID: <20240208135045.3728927-1-tudor.ambarus@linaro.org> (raw)

The driver was wrong as it assumed that the alias values in devicetree
have a particular meaning in identifying instances. This immediately
breaks when there is a dtb file that does not use the same alias values,
e.g. because it only needs some of the SPI ports.

Tested gs101 SPI with spi-loopback-test, all went fine. I updated
exynos850 as it uses the same USI.SPI_VERSION as gs101. Maybe Sam can
test exynos850, if not, we can drop that patch.

The patch set has some dependencies. One has to apply first the gs101
addition [1], then the simple cleanup from [2], then this patch set.
[1] https://lore.kernel.org/linux-spi/20240207111516.2563218-1-tudor.ambarus@linaro.org/
[2] https://lore.kernel.org/linux-spi/20240207120431.2766269-1-tudor.ambarus@linaro.org/

Cheers,
ta

Tudor Ambarus (12):
  spi: dt-bindings: introduce the ``fifo-depth`` property
  spi: s3c64xx: define a magic value
  spi: s3c64xx: allow full FIFO masks
  spi: s3c64xx: determine the fifo depth only once
  spi: s3c64xx: retrieve the FIFO depth from the device tree
  spi: s3c64xx: allow FIFO depth to be determined from the compatible
  spi: s3c64xx: let the SPI core determine the bus number
  spi: s3c64xx: introduce s3c64xx_spi_set_port_id()
  spi: s3c64xx: get rid of the OF alias ID dependency
  spi: s3c64xx: deprecate fifo_lvl_mask, rx_lvl_offset and port_id
  spi: s3c64xx: switch gs101 to new port config data
  spi: s3c64xx: switch exynos850 to new port config data

 .../bindings/spi/spi-controller.yaml          |   5 +
 drivers/spi/spi-s3c64xx.c                     | 142 ++++++++++++++----
 2 files changed, 116 insertions(+), 31 deletions(-)

-- 
2.43.0.687.g38aa6559b0-goog


             reply	other threads:[~2024-02-08 13:50 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-08 13:50 Tudor Ambarus [this message]
2024-02-08 13:50 ` [PATCH 01/12] spi: dt-bindings: introduce the ``fifo-depth`` property Tudor Ambarus
2024-02-08 18:24   ` Conor Dooley
2024-02-09 13:56     ` Tudor Ambarus
2024-02-09 16:21       ` Conor Dooley
2024-02-09 16:55         ` Tudor Ambarus
2024-02-12 10:38           ` Geert Uytterhoeven
2024-02-12 12:01             ` Tudor Ambarus
2024-02-09 17:41         ` Mark Brown
2024-02-09 17:13   ` Geert Uytterhoeven
2024-02-11 13:49     ` Krzysztof Kozlowski
2024-02-12  6:17       ` Tudor Ambarus
2024-02-08 13:50 ` [PATCH 02/12] spi: s3c64xx: define a magic value Tudor Ambarus
2024-02-08 13:50 ` [PATCH 03/12] spi: s3c64xx: allow full FIFO masks Tudor Ambarus
2024-02-08 13:50 ` [PATCH 04/12] spi: s3c64xx: determine the fifo depth only once Tudor Ambarus
2024-02-08 13:50 ` [PATCH 05/12] spi: s3c64xx: retrieve the FIFO depth from the device tree Tudor Ambarus
2024-02-08 13:50 ` [PATCH 06/12] spi: s3c64xx: allow FIFO depth to be determined from the compatible Tudor Ambarus
2024-02-08 13:50 ` [PATCH 07/12] spi: s3c64xx: let the SPI core determine the bus number Tudor Ambarus
2024-02-08 13:50 ` [PATCH 08/12] spi: s3c64xx: introduce s3c64xx_spi_set_port_id() Tudor Ambarus
2024-02-08 13:50 ` [PATCH 09/12] spi: s3c64xx: get rid of the OF alias ID dependency Tudor Ambarus
2024-02-08 13:50 ` [PATCH 10/12] spi: s3c64xx: deprecate fifo_lvl_mask, rx_lvl_offset and port_id Tudor Ambarus
2024-02-08 13:50 ` [PATCH 11/12] spi: s3c64xx: switch gs101 to new port config data Tudor Ambarus
2024-02-08 16:01   ` Tudor Ambarus
2024-02-08 13:50 ` [PATCH 12/12] spi: s3c64xx: switch exynos850 " Tudor Ambarus

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