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linux/drivers/spi
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Dragos Bogdan d962608ce2
spi: Add SPI_NO_TX/RX support 
Transmit/receive only is a valid SPI mode. For example, the MOSI/TX line
might be missing from an ADC while for a DAC the MISO/RX line may be
optional. This patch adds these two new modes: SPI_NO_TX and
SPI_NO_RX. This way, the drivers will be able to identify if any of
these two lines is missing and to adjust the transfers accordingly.

Signed-off-by: Dragos Bogdan <dragos.bogdan@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Link: https://lore.kernel.org/r/20201221152936.53873-2-alexandru.ardelean@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-12-28 14:21:31 +00:00
..
atmel-quadspi.c
Merge series "spi: atmel-quadspi: Fix AHB memory accesses" from Tudor Ambarus <tudor.ambarus@microchip.com>:
2020-12-07 17:18:27 +00:00
internals.h
…
Kconfig
spi: dw-bt1: Fix undefined devm_mux_control_get symbol
2020-11-27 14:49:39 +00:00
Makefile
ARM: SoC platform updates
2020-10-24 10:33:08 -07:00
spi-altera.c
spi: altera: fix module autoload
2020-06-24 16:37:47 +01:00
spi-amd.c
spi: amd: Use devm_platform_ioremap_resource() in amd_spi_probe
2020-11-23 20:42:05 +00:00
spi-ar934x.c
spi: ar934x: Don't leak SPI master in probe error path
2020-12-07 14:18:59 +00:00
spi-armada-3700.c
spi: a3700: Remove a useless memset
2020-08-18 17:52:37 +01:00
spi-at91-usart.c
spi: spi-at91-usart: Remove unused OF table 'struct of_device_id'
2020-07-17 16:38:54 +01:00
spi-ath79.c
…
spi-atmel.c
spi: atmel: Downgrade to dev_dbg when dma_request_chan() fails
2020-10-30 12:56:14 +00:00
spi-au1550.c
…
spi-axi-spi-engine.c
spi: spi-axi-spi-engine: Access register after clock initialization
2020-04-09 18:46:53 +01:00
spi-bcm63xx-hsspi.c
spi: bcm63xx-hsspi: fix missing clk_disable_unprepare() on error in bcm63xx_hsspi_resume
2020-11-09 19:44:30 +00:00
spi-bcm63xx.c
spi: bcm63xx-spi: add reset support
2020-06-17 14:29:58 +01:00
spi-bcm2835.c
spi: bcm2835: Fix use-after-free on unbind
2020-11-12 15:05:35 +00:00
spi-bcm2835aux.c
spi: bcm2835aux: Restore err assignment in bcm2835aux_spi_probe
2020-11-13 18:22:24 +00:00
spi-bcm-qspi.c
spi: bcm-qspi: Fix use-after-free on unbind
2020-11-12 15:05:37 +00:00
spi-bcm-qspi.h
…
spi-bitbang-txrx.h
…
spi-bitbang.c
spi: spi-bitbang: Demote obvious misuse of kerneldoc to standard comment blocks
2020-07-17 16:38:45 +01:00
spi-brcmstb-qspi.c
…
spi-butterfly.c
…
spi-cadence-quadspi.c
spi: cadence-quadspi: Fix error return code in cqspi_probe
2020-11-16 20:02:42 +00:00
spi-cadence.c
spi: cadence: Add SPI transfer delays
2020-10-09 16:00:47 +01:00
spi-cavium-octeon.c
…
spi-cavium-thunderx.c
spi: spi-cavium-thunderx: flag controller as half duplex
2020-06-16 00:38:39 +01:00
spi-cavium.c
spi: use new spi_transfer_delay_exec helper where straightforward
2019-10-15 11:51:57 +01:00
spi-cavium.h
…
spi-clps711x.c
…
spi-coldfire-qspi.c
spi: coldfire-qspi: Use clk_prepare_enable and clk_disable_unprepare
2020-07-17 00:55:26 +01:00
spi-davinci.c
spi: davinci: Fix use-after-free on unbind
2020-12-07 14:18:47 +00:00
spi-dln2.c
…
spi-dw-bt1.c
Merge remote-tracking branch 'spi/for-5.10' into spi-5.11
2020-12-17 17:09:51 +00:00
spi-dw-core.c
spi: dw: Add support for 32-bits max xfer size
2020-12-09 12:14:22 +00:00
spi-dw-dma.c
spi: dw: Add generic DW SSI status-check method
2020-10-08 23:00:18 +01:00
spi-dw-mmio.c
spi: dw: Add support for the Canaan K210 SoC SPI
2020-12-09 12:14:23 +00:00
spi-dw-pci.c
spi: dw: Add DWC SSI capability
2020-10-08 23:00:06 +01:00
spi-dw.h
spi: dw: Add support for 32-bits max xfer size
2020-12-09 12:14:22 +00:00
spi-efm32.c
spi: efm32: Convert to use GPIO descriptors
2020-03-27 15:52:23 +00:00
spi-ep93xx.c
spi: spi-ep93xx: Fix API slippage
2020-07-17 16:38:47 +01:00
spi-falcon.c
spi: spi-falcon: extend warning to delay as well
2019-10-15 11:46:57 +01:00
spi-fsi.c
spi: fsi: Fix transfer returning without finalizing message
2020-11-11 12:34:29 +00:00
spi-fsl-cpm.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
spi-fsl-cpm.h
…
spi-fsl-dspi.c
spi: spi-fsl-dspi: Use max_native_cs instead of num_chipselect to set SPI_MCR
2020-12-01 12:17:13 +00:00
spi-fsl-espi.c
Merge remote-tracking branch 'spi/for-5.10' into spi-next
2020-10-09 16:01:22 +01:00
spi-fsl-lib.c
…
spi-fsl-lib.h
…
spi-fsl-lpspi.c
spi: lpspi: Fix use-after-free on unbind
2020-11-12 18:45:56 +00:00
spi-fsl-qspi.c
spi: Fix SPI NOR and SPI NAND acronyms
2020-07-17 00:55:25 +01:00
spi-fsl-spi.c
spi: fsl: fix use of spisel_boot signal on MPC8309
2020-11-30 12:52:49 +00:00
spi-fsl-spi.h
…
spi-geni-qcom.c
spi: spi-geni-qcom: Print an error when we timeout setting the CS
2020-12-18 17:42:17 +00:00
spi-gpio.c
spi: gpio: Don't leak SPI master in probe error path
2020-12-07 14:18:54 +00:00
spi-hisi-sfc-v3xx.c
spi: hisi-sfc-v3xx: fix spelling mistake "occured" -> "occurred"
2020-09-28 20:33:56 +01:00
spi-img-spfi.c
spi: img-spfi: fix reference leak in img_spfi_resume
2020-11-02 15:53:25 +00:00
spi-imx.c
Merge branch 'for-5.10' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-5.11
2020-11-27 16:18:32 +00:00
spi-iproc-qspi.c
…
spi-jcore.c
remove ioremap_nocache and devm_ioremap_nocache
2020-01-06 09:45:59 +01:00
spi-lantiq-ssc.c
spi: lantiq: remove redundant irqsave and irqrestore in hardIRQ
2020-09-17 19:56:02 +01:00
spi-lm70llp.c
…
spi-loopback-test.c
spi: spi-loopback-test: Fix out-of-bounds read
2020-09-02 19:38:24 +01:00
spi-lp8841-rtc.c
…
spi-mem.c
spi: spi-mem: fix reference leak in spi_mem_access_start
2020-11-04 17:52:33 +00:00
spi-meson-spicc.c
spi: spi-meson-spicc: Remove set but never used variable 'data' from meson_spicc_reset_fifo()
2020-07-17 16:38:48 +01:00
spi-meson-spifc.c
spi: spi-meson-spifc: Fix misdocumenting of 'dev' in 'struct meson_spifc'
2020-07-17 16:38:48 +01:00
spi-mpc52xx-psc.c
spi: use new spi_transfer_delay_exec helper where straightforward
2019-10-15 11:51:57 +01:00
spi-mpc52xx.c
…
spi-mpc512x-psc.c
spi: use new spi_transfer_delay_exec helper where straightforward
2019-10-15 11:51:57 +01:00
spi-mt65xx.c
spi: mediatek: add spi support for mt8192 IC
2020-07-22 01:56:00 +01:00
spi-mt7621.c
spi: mt7621: Don't leak SPI master in probe error path
2020-12-07 14:18:59 +00:00
spi-mtk-nor.c
spi: spi-mtk-nor: Don't leak SPI master in probe error path
2020-12-07 14:18:53 +00:00
spi-mux.c
spi: spi-mux: Simplify with dev_err_probe()
2020-09-08 18:19:27 +01:00
spi-mxic.c
spi: mxic: Don't leak SPI master in probe error path
2020-12-07 14:18:52 +00:00
spi-mxs.c
spi: mxs: fix reference leak in mxs_spi_probe
2020-11-18 18:00:26 +00:00
spi-npcm-fiu.c
spi: npcm-fiu: Disable clock in probe error path
2020-12-07 14:19:00 +00:00
spi-npcm-pspi.c
spi: npcm-pspi: Convert to use GPIO descriptors
2020-07-01 23:21:28 +01:00
spi-nxp-fspi.c
spi: spi-nxp-fspi: fix fspi panic by unexpected interrupts
2020-11-23 14:10:02 +00:00
spi-oc-tiny.c
SPI SUBSYSTEM: Replace HTTP links with HTTPS ones
2020-07-09 22:41:11 +01:00
spi-omap2-mcspi.c
spi: omap2-mcspi: Improve performance waiting for CHSTAT
2020-09-22 01:04:20 +01:00
spi-omap-100k.c
spi: omap-100k: Drop include
2020-07-14 17:38:46 +01:00
spi-omap-uwire.c
spi: omap-uwire: Use clk_prepare_enable and clk_disable_unprepare
2020-07-15 15:58:33 +01:00
spi-orion.c
spi: orion: enable support for switching CS every transferred byte
2020-12-28 12:25:31 +00:00
spi-pic32-sqi.c
…
spi-pic32.c
spi: pic32: Don't leak DMA channels in probe error path
2020-11-12 15:16:34 +00:00
spi-pl022.c
spi: spi-pl022: Provide missing struct attribute/function param docs
2020-07-17 16:38:50 +01:00
spi-ppc4xx.c
spi: ppc4xx: Convert to use GPIO descriptors
2020-07-22 01:55:52 +01:00
spi-pxa2xx-dma.c
…
spi-pxa2xx-pci.c
…
spi-pxa2xx.c
spi: pxa2xx: Fix use-after-free on unbind
2020-12-07 14:18:50 +00:00
spi-pxa2xx.h
…
spi-qcom-qspi.c
spi: spi-qcom-qspi: Fix use-after-free on unbind
2020-12-07 14:18:49 +00:00
spi-qup.c
spi: qup: remove redundant assignment to variable ret
2020-09-14 15:50:04 +01:00
spi-rb4xx.c
spi: rb4xx: Don't leak SPI master in probe error path
2020-12-07 14:18:55 +00:00
spi-rockchip.c
spi: rockchip: enable autosuspend feature
2020-10-26 23:29:04 +00:00
spi-rpc-if.c
spi: rpc-if: Fix use-after-free on unbind
2020-12-07 14:18:51 +00:00
spi-rspi.c
spi: rspi: Fill in controller speed limits
2020-08-20 22:38:17 +01:00
spi-s3c24xx-regs.h
ARM: s3c24xx: move regs-spi.h into spi driver
2020-08-19 21:40:14 +02:00
spi-s3c24xx.c
ARM: SoC platform updates
2020-10-24 10:33:08 -07:00
spi-s3c64xx.c
spi: spi-s3c64xx: Turn on interrupts upon resume
2020-10-02 21:54:24 +01:00
spi-sc18is602.c
spi: sc18is602: Don't leak SPI master in probe error path
2020-12-07 14:18:56 +00:00
spi-sh-hspi.c
spi: use new spi_transfer_delay_exec helper where straightforward
2019-10-15 11:51:57 +01:00
spi-sh-msiof.c
spi: spi-sh-msiof: Fix checkpatch error Complex macros should use ()
2020-04-14 18:36:34 +01:00
spi-sh-sci.c
…
spi-sh.c
spi: spi-sh: Fix use-after-free on unbind
2020-12-07 14:18:50 +00:00
spi-sifive.c
spi: sifive: disable clk when probe fails and remove
2019-11-04 13:26:11 +00:00
spi-sirf.c
spi: sirf: Use dma_request_chan() instead dma_request_slave_channel()
2019-12-16 11:57:36 +00:00
spi-slave-mt27xx.c
spi: mediatek: Use devm_platform_ioremap_resource() in mtk_spi_slave_probe()
2019-10-01 12:34:58 +01:00
spi-slave-system-control.c
…
spi-slave-time.c
…
spi-sprd-adi.c
spi: sprd: Simplify with dev_err_probe()
2020-09-14 15:50:17 +01:00
spi-sprd.c
spi: sprd: fix reference leak in sprd_spi_remove
2020-11-11 12:39:32 +00:00
spi-st-ssc4.c
spi: st-ssc4: Fix unbalanced pm_runtime_disable() in probe error path
2020-11-12 15:16:35 +00:00
spi-stm32-qspi.c
spi: stm32-qspi: fix reference leak in stm32 qspi operations
2020-11-09 19:44:25 +00:00
spi-stm32.c
spi: stm32: FIFO threshold level - fix align packet size
2020-12-21 17:18:52 +00:00
spi-sun4i.c
spi: sun4i: update max transfer size reported
2020-07-27 14:55:21 +01:00
spi-sun6i.c
spi: spi-sun6i: enable autosuspend feature
2020-10-26 23:29:05 +00:00
spi-synquacer.c
spi: synquacer: Disable clock in probe error path
2020-11-12 15:16:33 +00:00
spi-tegra20-sflash.c
spi: tegra20-sflash: fix reference leak in tegra_sflash_resume
2020-11-09 19:44:28 +00:00
spi-tegra20-slink.c
spi: tegra20-slink: fix reference leak in slink ops of tegra20
2020-11-09 19:44:27 +00:00
spi-tegra114.c
spi: tegra114: fix reference leak in tegra spi ops
2020-11-09 19:44:29 +00:00
spi-test.h
…
spi-ti-qspi.c
spi: spi-ti-qspi: fix reference leak in ti_qspi_setup
2020-11-09 19:44:26 +00:00
spi-tle62x0.c
…
spi-topcliff-pch.c
spi/topcliff-pch: drop double zeroing
2020-09-21 17:56:38 +01:00
spi-txx9.c
spi: txx9: Convert to use GPIO descriptors
2019-10-30 14:14:32 +00:00
spi-uniphier.c
spi: uniphier: Use devm_platform_get_and_ioremap_resource() to simplify code
2020-05-11 18:17:52 +01:00
spi-xcomm.c
spi: use new spi_transfer_delay_exec helper where straightforward
2019-10-15 11:51:57 +01:00
spi-xilinx.c
spi: xilinx: Fix info message during probe
2020-09-17 19:56:01 +01:00
spi-xlp.c
…
spi-xtensa-xtfpga.c
spi: xtensa-xtfpga: Use devm_platform_ioremap_resource() in xtfpga_spi_probe()
2019-10-01 12:35:18 +01:00
spi-zynq-qspi.c
spi: spi-zynq-qspi: Add description for 2 missing attributes/parameters
2020-07-17 16:38:51 +01:00
spi-zynqmp-gqspi.c
spi: spi-zynqmp-gqspi: Fix incorrect indentation
2020-09-24 12:59:29 +01:00
spi.c
spi: Add SPI_NO_TX/RX support
2020-12-28 14:21:31 +00:00
spidev.c
spi: spidev: Remove redundant initialization of variable status
2020-09-09 16:27:46 +01:00