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dma_request_slave_channel() is deprecated. dma_request_chan() should
be used directly instead.
Switch to the preferred function and update the error handling accordingly.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/1c88236b5d6bff0af902492ea9e066c8cb0dfef5.1700391566.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Mark Brown <broonie@kernel.org>
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Switch to use modern name function devm_spi_alloc_host().
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20230807124105.3429709-18-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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The DT of_device.h and of_platform.h date back to the separate
of_platform_bus_type before it as merged into the regular platform bus.
As part of that merge prepping Arm DT support 13 years ago, they
"temporarily" include each other. They also include platform_device.h
and of.h. As a result, there's a pretty much random mix of those include
files used throughout the tree. In order to detangle these headers and
replace the implicit includes with struct declarations, users need to
explicitly include the correct includes.
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230714174955.4064174-1-robh@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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call
Supporting multi-cs in spi drivers would require the chip_select & cs_gpiod
members of struct spi_device to be an array. But changing the type of these
members to array would break the spi driver functionality. To make the
transition smoother introduced four new APIs to get/set the
spi->chip_select & spi->cs_gpiod and replaced all spi->chip_select and
spi->cs_gpiod references with get or set API calls.
While adding multi-cs support in further patches the chip_select & cs_gpiod
members of the spi_device structure would be converted to arrays & the
"idx" parameter of the APIs would be used as array index i.e.,
spi->chip_select[idx] & spi->cs_gpiod[idx] respectively.
Signed-off-by: Amit Kumar Mahapatra <amit.kumar-mahapatra@amd.com>
Acked-by: Heiko Stuebner <heiko@sntech.de> # Rockchip drivers
Reviewed-by: Michal Simek <michal.simek@amd.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org> # Aspeed driver
Reviewed-by: Dhruva Gole <d-gole@ti.com> # SPI Cadence QSPI
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> # spi-stm32-qspi
Acked-by: William Zhang <william.zhang@broadcom.com> # bcm63xx-hsspi driver
Reviewed-by: Serge Semin <fancer.lancer@gmail.com> # DW SSI part
Link: https://lore.kernel.org/r/167847070432.26.15076794204368669839@mailman-core.alsa-project.org
Signed-off-by: Mark Brown <broonie@kernel.org>
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1.Since it would be dangerous to specify a newer SoC's compatible
string as the fallback of an older SoC's compatible string, we
add support for the "ingenic,jz4775-spi" compatible string in
the driver.
This will permit to support the JZ4775 by having:
compatible = "ingenic,jz4775-spi";
Instead of doing:
compatible = "ingenic,jz4775-spi", "ingenic,jz4780-spi";
2.Add support for probing the spi-ingenic driver on the X1000 SoC
from Ingenic. From the X1000 SoC onwards, the maximum frequency
allowed by the SSI module of Ingenic SoCs has been changed from
54MHz to 50MHz. So "max_speed_hz" is introduced in "jz_soc_info"
to set different maximum frequency values.
3.Add support for probing the spi-ingenic driver on the X2000 SoC
from Ingenic. The X2000 SoC has only one native chip select line,
so "max_native_cs" is introduced in "jz_soc_info" to set different
maximum number of native chip select lines.
4.Because of the introduction of support for the X-series SoCs, the
current driver is not only applicable to the JZ-series SoCs, so
the description texts has been modified to avoid misunderstanding.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/1650724725-93758-4-git-send-email-zhouyanjie@wanyeetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add support for using GPIOs as chip select lines on Ingenic SoCs.
Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@wanyeetech.com>
Reviewed-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/1650724725-93758-2-git-send-email-zhouyanjie@wanyeetech.com
Signed-off-by: Mark Brown <broonie@kernel.org>
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Add a driver to support the SPI controller found in Ingenic SoCs.
Co-developed-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Artur Rojek <contact@artur-rojek.eu>
Link: https://lore.kernel.org/r/20210830230139.21476-3-contact@artur-rojek.eu
Signed-off-by: Mark Brown <broonie@kernel.org>
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