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The IMX spi driver has a hardcoded 8, breaking the driver for word
lengths other than 8.
Signed-off-by: Stefan Moring <stefanmoring@gmail.com>
Reported-by: Sebastian Reichel <sre@kernel.org>
Fixes: 15a6af94a2 ("spi: Increase imx51 ecspi burst length based on transfer length")
Tested-by: Sebastian Reichel <sre@kernel.org>
Link: https://lore.kernel.org/r/20230917164037.29284-1-stefanmoring@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Intel Granite Rapids has a flash controller that is compatible with the
other Cannon Lake derivatives. Add Granite Rapids PCI ID to the driver
list of supported devices.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Link: https://lore.kernel.org/r/20230911074616.3473347-1-mika.westerberg@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Reset the FLSHxCR1 registers to default value. ROM may set the register
value and it affects the SPI NAND normal functions.
Signed-off-by: Han Xu <han.xu@nxp.com>
Link: https://lore.kernel.org/r/20230906183254.235847-1-han.xu@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
A couple of fixes for the sun6i driver, the patch to reduce DMA RX to
single byte width all the time is *hopefully* excessively cautious but
it's unclear which SoCs are affected so the fix just covers everything
for safety.
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Merge tag 'spi-fix-v6.6-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"A couple of fixes for the sun6i driver. The patch to reduce DMA RX to
single byte width all the time is *hopefully* excessively cautious but
it's unclear which SoCs are affected so the fix just covers everything
for safety"
* tag 'spi-fix-v6.6-merge-window' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: sun6i: fix race between DMA RX transfer completion and RX FIFO drain
spi: sun6i: reduce DMA RX transfer width to single byte
Previously the transfer complete IRQ immediately drained to RX FIFO to
read any data remaining in FIFO to the RX buffer. This behaviour is
correct when dealing with SPI in interrupt mode. However in DMA mode the
transfer complete interrupt still fires as soon as all bytes to be
transferred have been stored in the FIFO. At that point data in the FIFO
still needs to be picked up by the DMA engine. Thus the drain procedure
and DMA engine end up racing to read from RX FIFO, corrupting any data
read. Additionally the RX buffer pointer is never adjusted according to
DMA progress in DMA mode, thus calling the RX FIFO drain procedure in DMA
mode is a bug.
Fix corruptions in DMA RX mode by draining RX FIFO only in interrupt mode.
Also wait for completion of RX DMA when in DMA mode before returning to
ensure all data has been copied to the supplied memory buffer.
Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Link: https://lore.kernel.org/r/20230827152558.5368-3-t.schramm@manjaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Through empirical testing it has been determined that sometimes RX SPI
transfers with DMA enabled return corrupted data. This is down to single
or even multiple bytes lost during DMA transfer from SPI peripheral to
memory. It seems the RX FIFO within the SPI peripheral can become
confused when performing bus read accesses wider than a single byte to it
during an active SPI transfer.
This patch reduces the width of individual DMA read accesses to the
RX FIFO to a single byte to mitigate that issue.
Signed-off-by: Tobias Schramm <t.schramm@manjaro.org>
Link: https://lore.kernel.org/r/20230827152558.5368-2-t.schramm@manjaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
There's been quite a lot of generic activity here, but more
administrative than featuers. We also have a bunch of new drivers,
including one that's part of a MFD so we pulled in the core parts of
that:
- Lots of work from both Yang Yingliang and Andy Shevchenko on moving
to host/device/controller based terminology for devices.
- QuadSPI SPI support for Allwinner sun6i.
- New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
QuPv3 and StarFive JH7110 QSPI.
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Merge tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi updates from Mark Brown:
"There's been quite a lot of generic activity here, but more
administrative than featuers. We also have a bunch of new drivers,
including one that's part of a MFD so we pulled in the core parts of
that:
- Lots of work from both Yang Yingliang and Andy Shevchenko on moving
to host/device/controller based terminology for devices.
- QuadSPI SPI support for Allwinner sun6i.
- New device support Cirrus Logic CS43L43, Longsoon, Qualcomm GENI
QuPv3 and StarFive JH7110 QSPI"
* tag 'spi-v6.6' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi: (151 commits)
spi: at91-usart: Use PTR_ERR_OR_ZERO() to simplify code
spi: spi-sn-f-ospi: switch to use modern name
spi: sifive: switch to use modern name
spi: sh: switch to use modern name
spi: sh-sci: switch to use modern name
spi: sh-msiof: switch to use modern name
spi: sh-hspi: switch to use modern name
spi: sc18is602: switch to use modern name
spi: s3c64xx: switch to use modern name
spi: rzv2m-csi: switch to use devm_spi_alloc_host()
spi: rspi: switch to use spi_alloc_host()
spi: rockchip: switch to use modern name
spi: rockchip-sfc: switch to use modern name
spi: realtek-rtl: switch to use devm_spi_alloc_host()
spi: rb4xx: switch to use modern name
spi: qup: switch to use modern name
spi: spi-qcom-qspi: switch to use modern name
spi: pxa2xx: switch to use modern name
spi: ppc4xx: switch to use modern name
spi: spl022: switch to use modern name
...
Merge series from Yang Yingliang <yangyingliang@huawei.com>:
I'm trying to rename the legacy name to modern name used in SPI drivers,
this is part4 patchset.
After introducing devm_spi_alloc_host/spi_alloc_host(), the legacy
named function devm_spi_alloc_master/spi_alloc_master() can be replaced.
And also change other legacy name master/slave to modern name host/target
or controller. Each patch compile test passed.
Change legacy name master to modern name host or controller.
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230818093154.1183529-22-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Change legacy name master to modern name host or controller.
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230818093154.1183529-21-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Change legacy name master/slave to modern name host/target.
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230818093154.1183529-20-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Change legacy name master to modern name host.
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230818093154.1183529-19-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Switch to use modern name function devm_spi_alloc_host().
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230818093154.1183529-16-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Switch to use modern name function spi_alloc_host().
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230818093154.1183529-15-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Change legacy name master/slave to modern name host/target or controller.
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Heiko Stuebner <heiko@sntech.e>
Link: https://lore.kernel.org/r/20230818093154.1183529-14-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
platform_get_resource_byname() and devm_ioremap_resource() can be
replaced by devm_platform_ioremap_resource_byname(), which can
simplify the code logic a bit, No functional change here.
Signed-off-by: Zhang Zekun <zhangzekun11@huawei.com>
Link: https://lore.kernel.org/r/20230810131650.71916-1-zhangzekun11@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Remove 10us delay in cdns_spi_process_fifo() (called from cdns_spi_irq())
to fix data corruption issue on Master side when this driver
configured in Slave mode, as Slave is failed to prepare the date
on time due to above delay.
Add 10us delay before processing the RX FIFO as TX empty doesn't
guarantee valid data in RX FIFO.
Signed-off-by: Srinivas Goud <srinivas.goud@amd.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Tested-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/1692610216-217644-1-git-send-email-srinivas.goud@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Commit 6f486556ab ("spi: stm32: renaming of spi_master into
spi_controller") included an accidential reverted of a change added in
commit 1e49291125 ("spi: stm32: split large transfers based on word
size instead of bytes").
This breaks large SPI transfers with word sizes > 8 bits, which are
e.g. common when driving MIPI DBI displays.
Fix this by using `spi_split_transfers_maxwords()` instead of
`spi_split_transfers_maxsize()`.
Fixes: 6f486556ab ("spi: stm32: renaming of spi_master into spi_controller")
Signed-off-by: Leonard Göhrs <l.goehrs@pengutronix.de>
Link: https://lore.kernel.org/r/20230816145237.3159817-1-l.goehrs@pengutronix.de
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>:
This patch chain adds support for the Cirrus Logic cs42l43 PC focused
SoundWire CODEC.
The CS42L43 is an audio CODEC with integrated MIPI SoundWire interface
(Version 1.2.1 compliant), I2C, SPI, and I2S/TDM interfaces designed
for portable applications. It provides a high dynamic range, stereo
DAC for headphone output, two integrated Class D amplifiers for
loudspeakers, and two ADCs for wired headset microphone input or
stereo line input. PDM inputs are provided for digital microphones.
The SPI component incorporates a SPI controller interface for
communication with other peripheral components.
Signed-off-by: Lucas Tanure <tanureal@opensource.cirrus.com>
Signed-off-by: Maciej Strozek <mstrozek@opensource.cirrus.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Link: https://lore.kernel.org/r/20230804104602.395892-6-ckeepax@opensource.cirrus.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Switch to use modern name function devm_spi_alloc_host().
No functional changed.
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230816094013.1275068-15-yangyingliang@huawei.com
Signed-off-by: Mark Brown <broonie@kernel.org>
cs_setup, cs_hold and cs_inactive points to fields of spi_device struct,
so there is no sense in checking them for NULL.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: 04e6bb0d6b ("spi: modify set_cs_timing parameter")
Signed-off-by: Alexander Danilenko <al.b.danilenko@gmail.com>
Link: https://lore.kernel.org/r/20230815092058.4083-1-al.b.danilenko@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Merge series from Yang Yingliang <yangyingliang@huawei.com>:
I'm trying to rename the legacy name to modern name used in SPI drivers,
this is part2 patchset.
After introducing devm_spi_alloc_host/spi_alloc_host(), the legacy
named function devm_spi_alloc_master/spi_alloc_master() can be replaced.
And also change other legacy name master/slave to modern name host/target
or controller. All compile test passed.
Yang Yingliang (20):
spi: amlogic-spifc-a1: switch to use devm_spi_alloc_host()
spi: au1550: switch to use modern name
spi: ep93xx: switch to use modern name
spi: falcon: switch to use modern name
spi: fsi: switch to use spi_alloc_host()
spi: fsl-dspi: switch to use modern name
spi: fsl-espi: switch to use modern name
spi: fsl-lpspi: switch to use modern name
spi: fsl-qspi: switch to use modern name
spi: fsl-spi: switch to use modern name
spi: gpio: switch to use modern name
spi: gxp: switch to use modern name
spi: bcmbca-hsspi: switch to use modern name
spi: hisi-sfc-v3xx: switch to use modern name
spi: img-spfi: switch to use modern name
spi: imx: switch to use modern name
spi: ingenic: switch to use devm_spi_alloc_host()
spi: intel: switch to use modern name
spi: jcore: switch to use modern name
spi: lantiq: switch to use modern name
drivers/spi/spi-amlogic-spifc-a1.c | 2 +-
drivers/spi/spi-au1550.c | 74 ++++++------
drivers/spi/spi-bcmbca-hsspi.c | 66 +++++------
drivers/spi/spi-ep93xx.c | 174 ++++++++++++++---------------
drivers/spi/spi-falcon.c | 34 +++---
drivers/spi/spi-fsi.c | 2 +-
drivers/spi/spi-fsl-dspi.c | 24 ++--
drivers/spi/spi-fsl-espi.c | 76 ++++++-------
drivers/spi/spi-fsl-lpspi.c | 54 ++++-----
drivers/spi/spi-fsl-qspi.c | 10 +-
drivers/spi/spi-fsl-spi.c | 76 ++++++-------
drivers/spi/spi-gpio.c | 72 ++++++------
drivers/spi/spi-gxp.c | 6 +-
drivers/spi/spi-hisi-sfc-v3xx.c | 18 +--
drivers/spi/spi-img-spfi.c | 118 +++++++++----------
drivers/spi/spi-imx.c | 114 +++++++++----------
drivers/spi/spi-ingenic.c | 2 +-
drivers/spi/spi-intel.c | 42 +++----
drivers/spi/spi-jcore.c | 44 ++++----
drivers/spi/spi-lantiq-ssc.c | 96 ++++++++--------
20 files changed, 552 insertions(+), 552 deletions(-)
--
2.25.1
'version' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
spi-amd.c:401:21: error: cast to smaller integer type 'enum amd_spi_versions' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810091247.70149-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'type' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
spi-pxa2xx.c:1347:10: error: cast to smaller integer type 'enum pxa_ssp_type' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810091247.70149-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
'id' is an enum, thus cast of pointer on 64-bit compile test with W=1
causes:
spi-sc18is602.c:269:12: error: cast to smaller integer type 'enum chips' from 'const void *' [-Werror,-Wvoid-pointer-to-enum-cast]
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230810091247.70149-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
