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linux/drivers/spi
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Serge Semin be3034d9f9
spi: dw-dma: Check rx_buf availability in the xfer method 
Checking rx_buf for being NULL and returning NULL from the Rx-channel
preparation method doesn't let us to distinguish that situation from
errors happening during the Rx SG-list preparation. So it's better to make
sure that the rx_buf not-NULL and full-duplex communication is requested
prior calling the Rx preparation method.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Link: https://lore.kernel.org/r/20200920112322.24585-5-Sergey.Semin@baikalelectronics.ru
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-09-29 16:37:08 +01:00
..
atmel-quadspi.c
spi: atmel-quadspi: Use optimezed memcpy_fromio()/memcpy_toio()
2020-07-17 00:55:24 +01:00
internals.h
…
Kconfig
spi: qup: Allow for compile-testing on !ARM
2020-09-07 19:04:23 +01:00
Makefile
Merge series "mtd: spi-nor: Move cadence-qaudspi to spi-mem framework" from Vignesh Raghavendra <vigneshr@ti.com>:
2020-06-19 14:26:55 +01:00
spi-altera.c
spi: altera: fix module autoload
2020-06-24 16:37:47 +01:00
spi-amd.c
spi: spi-amd: Do not define 'struct acpi_device_id' when !CONFIG_ACPI
2020-07-17 16:38:56 +01:00
spi-ar934x.c
spi: add driver for ar934x spi controller
2020-02-11 11:37:30 +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: Simplify with dev_err_probe()
2020-09-08 18:19:24 +01:00
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: add reset support
2020-06-17 14:29:58 +01:00
spi-bcm63xx.c
spi: bcm63xx-spi: add reset support
2020-06-17 14:29:58 +01:00
spi-bcm2835.c
spi: bcm2835: Make polling_limit_us static
2020-09-14 15:50:15 +01:00
spi-bcm2835aux.c
treewide: Use fallthrough pseudo-keyword
2020-08-23 17:36:59 -05:00
spi-bcm-qspi.c
spi: bcm-qspi: Clean up 7425, 7429, and 7435 settings
2020-09-14 15:50:08 +01:00
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: Simplify with dev_err_probe()
2020-09-08 18:19:26 +01:00
spi-cadence.c
spi: spi-cadence: add support for chip select high
2020-07-22 01:55:51 +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
Remove uninitialized_var() macro for v5.9-rc1
2020-08-04 13:49:43 -07:00
spi-dln2.c
…
spi-dw-core.c
spi: dw: Add support for RX sample delay register
2020-09-08 16:15:36 +01:00
spi-dw-dma.c
spi: dw-dma: Check rx_buf availability in the xfer method
2020-09-29 16:37:08 +01:00
spi-dw-mmio.c
spi: dw: Add Microchip Sparx5 support
2020-09-08 16:15:37 +01:00
spi-dw-pci.c
spi: dw-pci: free previously allocated IRQs if desc->setup() fails
2020-09-17 19:56:04 +01:00
spi-dw.h
spi: dw: Add support for RX sample delay register
2020-09-08 16:15:36 +01:00
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: Check mux status before transfers
2020-09-17 19:31:43 +01:00
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 XSPI mode instead of DMA for DPAA2 SoCs
2020-09-14 15:50:14 +01:00
spi-fsl-espi.c
spi: spi-fsl-espi: Remove use of %p
2020-08-25 22:46:50 +01:00
spi-fsl-lib.c
…
spi-fsl-lib.h
…
spi-fsl-lpspi.c
spi: lpspi: Remove CONFIG_PM_SLEEP ifdefery
2020-08-18 17:52:36 +01:00
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: add missing __iomem annotation
2020-07-01 23:21:26 +01:00
spi-fsl-spi.h
…
spi-geni-qcom.c
spi: spi-geni-qcom: Don't wait to start 1st transfer if transmitting
2020-09-14 15:50:16 +01:00
spi-gpio.c
Merge branch 'for-5.4' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi into spi-5.5
2019-10-08 19:12:28 +01:00
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: Convert to use GPIO descriptors
2020-07-01 23:21:29 +01:00
spi-imx.c
spi: spi-imx: spi_imx_transfer(): add support for effective_speed_hz
2020-09-23 19:59:32 +01:00
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 formatting issues in function header blocks
2020-07-17 16:38:44 +01:00
spi-lp8841-rtc.c
…
spi-mem.c
spi: spi-mem: allow specifying a command's extension
2020-07-14 17:29:38 +01:00
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-mtk-nor.c
spi: spi-mtk-nor: fix timeout calculation overflow
2020-09-25 21:40:20 +01:00
spi-mux.c
spi: spi-mux: Simplify with dev_err_probe()
2020-09-08 18:19:27 +01:00
spi-mxic.c
spi: spi-mem: allow specifying a command's extension
2020-07-14 17:29:38 +01:00
spi-mxs.c
spi: mxs: Drop GPIO includes
2020-03-17 13:20:16 +00:00
spi-npcm-fiu.c
spi: npcm-fiu: simplify the return expression of npcm_fiu_probe()
2020-09-22 01:04:19 +01:00
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: Add ACPI support
2020-09-17 19:56:03 +01:00
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: Fix SPI NOR and SPI NAND acronyms
2020-07-17 00:55:25 +01:00
spi-pic32-sqi.c
…
spi-pic32.c
spi: pic32: Retire dma_request_slave_channel_compat()
2019-11-22 19:53:41 +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: spi-pxa2xx: Do not define 'struct acpi_device_id' when !CONFIG_ACPI
2020-07-17 16:38:55 +01:00
spi-pxa2xx.h
…
spi-qcom-qspi.c
spi: spi-qcom-qspi: replace spin_lock_irqsave by spin_lock in hard IRQ
2020-09-14 15:50:10 +01:00
spi-qup.c
spi: qup: remove redundant assignment to variable ret
2020-09-14 15:50:04 +01:00
spi-rb4xx.c
spi: rb4xx: update driver to be device tree aware
2020-05-22 14:13:17 +01:00
spi-rockchip.c
spi: rockchip: Fix error in SPI slave pio read
2020-07-28 17:29:31 +01:00
spi-rpc-if.c
spi: add Renesas RPC-IF driver
2020-06-16 00:38:38 +01:00
spi-rspi.c
spi: rspi: Fill in controller speed limits
2020-08-20 22:38:17 +01:00
spi-s3c24xx-fiq.h
…
spi-s3c24xx-fiq.S
…
spi-s3c24xx.c
spi: s3c24xx: correct kerneldoc comment
2020-08-18 17:52:39 +01:00
spi-s3c64xx.c
spi: spi-s3c64xx: Add missing entries for structs 's3c64xx_spi_dma_data' and 's3c64xx_spi_dma_data'
2020-07-17 16:38:49 +01:00
spi-sc18is602.c
spi: sc18is602: Fix a typo in MODULE_DESCRIPTION
2020-04-14 12:39:37 +01:00
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-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: Simplify with dev_err_probe()
2020-09-14 15:50:17 +01:00
spi-st-ssc4.c
spi: st-ssc4: add missed pm_runtime_disable
2019-11-18 12:59:11 +00:00
spi-stm32-qspi.c
spi: stm32-qspi: Fix error path in case of -EPROBE_DEFER
2020-06-17 13:26:41 +01:00
spi-stm32.c
spi: stm32: Simplify with dev_err_probe()
2020-09-08 18:19:29 +01:00
spi-sun4i.c
spi: sun4i: update max transfer size reported
2020-07-27 14:55:21 +01:00
spi-sun6i.c
spi: spi-sun6i: sun6i_spi_transfer_one(): enable RF_RDY interrupt only if needed
2020-07-07 10:41:41 +01:00
spi-synquacer.c
spi: synquacer: Simplify with dev_err_probe()
2020-09-08 18:19:29 +01:00
spi-tegra20-sflash.c
spi: tegra20-sflash: Fix runtime PM imbalance on error
2020-05-28 14:01:16 +01:00
spi-tegra20-slink.c
spi: tegra20: Simplify with dev_err_probe()
2020-09-08 18:19:31 +01:00
spi-tegra114.c
spi: tegra114: Simplify with dev_err_probe()
2020-09-08 18:19:30 +01:00
spi-test.h
…
spi-ti-qspi.c
SPI SUBSYSTEM: Replace HTTP links with HTTPS ones
2020-07-09 22:41:11 +01:00
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: Fixes for v5.9
2020-08-18 14:27:12 -07:00
spidev.c
spi: spidev: Remove redundant initialization of variable status
2020-09-09 16:27:46 +01:00