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torvalds-linux/drivers/spi
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Cheng Ming Lin 710505212e
spi: Add check for 8-bit transfer with 8 IO mode support 
The current SPI framework does not verify if the SPI device supports
8 IO mode when doing an 8-bit transfer. This patch adds a check to
ensure that if the transfer tx_nbits or rx_nbits is 8, the SPI mode must
support 8 IO. If not, an error is returned, preventing undefined behavior.

Fixes: d6a711a898672 ("spi: Fix OCTAL mode support")
Cc: stable@vger.kernel.org
Signed-off-by: Cheng Ming Lin <chengminglin@mxic.com.tw>
Link: https://patch.msgid.link/20250714031023.504752-1-linchengming884@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-07-14 14:44:00 +01:00
..
atmel-quadspi.c
Add more devm_ functions to fix PM imbalance in
2025-05-12 11:28:54 +09:00
internals.h
…
Kconfig
spi: spi_amd: Update Kconfig dependencies
2025-05-19 13:13:38 +01:00
Makefile
spi: spi_amd: Add PCI-based driver for AMD HID2 SPI controller
2025-04-06 23:26:10 +01:00
spi-airoha-snfi.c
Linux 6.12-rc2
2024-10-07 14:53:15 +01:00
spi-altera-core.c
…
spi-altera-dfl.c
…
spi-altera-platform.c
…
spi-amd-pci.c
spi: spi_amd: Fix an IS_ERR() vs NULL check in probe
2025-04-09 13:47:45 +01:00
spi-amd.c
spi: spi_amd: Add HIDDMA basic write support
2025-05-19 13:13:37 +01:00
spi-amd.h
spi: spi_amd: Add PCI-based driver for AMD HID2 SPI controller
2025-04-06 23:26:10 +01:00
spi-amlogic-spifc-a1.c
spi: amlogic-spifc-a1: Support per spi-mem operation frequency switches
2025-01-09 20:16:26 +00:00
spi-apple.c
spi: apple: Set use_gpio_descriptors to true
2024-12-02 00:29:47 +00:00
spi-ar934x.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-armada-3700.c
…
spi-aspeed-smc.c
spi: spi-mem: Introduce a default ->exec_op() debug log
2025-03-20 12:37:11 +00:00
spi-at91-usart.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-ath79.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-atmel.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-au1550.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-axi-spi-engine.c
spi: axi-spi-engine: omit SYNC from offload instructions
2025-04-30 09:38:40 +09:00
spi-bcm63xx-hsspi.c
spi: bcm63xx-hsspi: fix shared reset
2025-05-30 11:42:38 +01:00
spi-bcm63xx.c
spi: bcm63xx-spi: fix shared reset
2025-05-30 11:42:38 +01:00
spi-bcm2835.c
spi: bcm2835: Restore native CS probing when pinctrl-bcm2835 is absent
2025-04-02 12:55:32 +01:00
spi-bcm2835aux.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-bcm-qspi.c
…
spi-bcm-qspi.h
…
spi-bcmbca-hsspi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-bitbang-txrx.h
…
spi-bitbang.c
…
spi-brcmstb-qspi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-butterfly.c
…
spi-cadence-quadspi.c
spi: cadence-quadspi: fix cleanup of rx_chan on failure paths
2025-07-01 14:02:26 +01:00
spi-cadence-xspi.c
spi: cadence: Fix out-of-bounds array access in cdns_mrvl_xspi_setup_clock()
2025-03-31 16:38:32 +01:00
spi-cadence.c
Linux 6.12-rc2
2024-10-07 14:53:15 +01:00
spi-cavium-octeon.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-cavium-thunderx.c
spi: spi-cavium-thunderx: Use non-hybrid PCI devres API
2025-04-17 12:25:42 +01:00
spi-cavium.c
…
spi-cavium.h
…
spi-ch341.c
spi: ch341: switch to use devm_spi_alloc_host()
2024-09-30 01:12:04 +02:00
spi-clps711x.c
…
spi-coldfire-qspi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-cs42l43.c
spi: cs42l43: Make handling missing spk-id GPIOs explicit
2025-05-05 19:31:28 +09:00
spi-davinci.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-dln2.c
Linux 6.12-rc2
2024-10-07 14:53:15 +01:00
spi-dw-bt1.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-dw-core.c
spi: dw: Use spi_bpw_to_bytes() helper
2025-04-17 17:30:41 +01:00
spi-dw-dma.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-dw-mmio.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-dw-pci.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-dw.h
…
spi-ep93xx.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-falcon.c
…
spi-fsi.c
spi: fsi: Batch TX operations
2025-02-03 19:24:44 +00:00
spi-fsl-cpm.c
…
spi-fsl-cpm.h
…
spi-fsl-dspi.c
spi: spi-fsl-dspi: Clear completion counter before initiating transfer
2025-06-29 22:10:53 +01:00
spi-fsl-espi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-fsl-lib.c
…
spi-fsl-lib.h
…
spi-fsl-lpspi.c
spi: spi-fsl-lpspi: convert timeouts to secs_to_jiffies()
2025-02-26 11:42:56 +00:00
spi-fsl-qspi.c
spi: fsl-qspi: Optimize fsl_qspi struct
2025-04-13 20:27:02 +01:00
spi-fsl-spi.c
spi: fsl-spi: Remove display of virtual address
2025-01-09 12:03:29 +00:00
spi-fsl-spi.h
…
spi-geni-qcom.c
spi: geni-qcom: Fix boot warning related to pm_runtime and devres
2024-10-22 20:49:02 +01:00
spi-gpio.c
spi: gpio: fix const issue in spi_to_spi_gpio()
2025-05-22 12:03:34 +01:00
spi-gxp.c
…
spi-hisi-kunpeng.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-hisi-sfc-v3xx.c
spi: fix typo in the comment
2024-09-30 01:12:21 +02:00
spi-img-spfi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-imx.c
spi: spi-imx: Add check for spi_imx_setupxfer()
2025-04-17 12:25:12 +01:00
spi-ingenic.c
…
spi-intel-pci.c
spi: intel: Improve resource mapping
2025-04-24 12:56:59 +01:00
spi-intel-platform.c
spi: intel: Improve resource mapping
2025-04-24 12:56:59 +01:00
spi-intel.c
spi: intel: Improve resource mapping
2025-04-24 12:56:59 +01:00
spi-intel.h
spi: intel: Improve resource mapping
2025-04-24 12:56:59 +01:00
spi-iproc-qspi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-jcore.c
…
spi-kspi2.c
spi: spi-kspi2: Add KEBA SPI controller support
2024-12-04 16:25:22 +00:00
spi-lantiq-ssc.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-ljca.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-lm70llp.c
…
spi-loongson-core.c
spi: loongson: Fix build warnings about export.h
2025-06-08 23:30:04 +01:00
spi-loongson-pci.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-loongson-plat.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-loongson.h
…
spi-loopback-test.c
spi: Updates for v6.16
2025-05-27 15:53:55 -07:00
spi-lp8841-rtc.c
…
spi-mem.c
spi: spi-mem: Add fix to avoid divide error
2025-04-25 13:19:56 +01:00
spi-meson-spicc.c
spi: meson-spicc: add DMA support
2025-04-24 19:11:49 +01:00
spi-meson-spifc.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-microchip-core-qspi.c
spi: microchip-core-qspi: Support per spi-mem operation frequency switches
2025-01-09 20:16:30 +00:00
spi-microchip-core.c
spi: microchip-core: prevent RX overflows when transmit size > FIFO size
2025-03-03 12:10:03 +00:00
spi-mpc52xx-psc.c
spi: fix typo in the comment
2024-09-30 01:12:21 +02:00
spi-mpc52xx.c
spi: mpc52xx: Add cancel_work_sync before module remove
2024-12-02 00:29:46 +00:00
spi-mpc512x-psc.c
…
spi-mt65xx.c
spi: mt65xx: add PM QoS support
2025-03-11 13:11:29 +00:00
spi-mt7621.c
…
spi-mtk-nor.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-mtk-snfi.c
spi: spi-mem: Introduce a default ->exec_op() debug log
2025-03-20 12:37:11 +00:00
spi-mux.c
spi: spi-mux: Fix coverity issue, unchecked return value
2025-03-16 23:34:25 +00:00
spi-mxic.c
spi: mxic: Support per spi-mem operation frequency switches
2025-01-09 20:16:32 +00:00
spi-mxs.c
spi: mxs: support effective_speed_hz
2024-12-09 13:14:36 +00:00
spi-npcm-fiu.c
spi: spi-mem: Introduce a default ->exec_op() debug log
2025-03-20 12:37:11 +00:00
spi-npcm-pspi.c
Linux 6.12-rc2
2024-10-07 14:53:15 +01:00
spi-nxp-fspi.c
spi: nxp-fspi: use devm instead of remove for driver detach
2025-05-06 23:17:31 +09:00
spi-oc-tiny.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-offload-trigger-pwm.c
spi: spi-offload-trigger-pwm: add extra headers
2025-02-11 13:15:29 +00:00
spi-offload.c
spi: offload: check offload ops existence before disabling the trigger
2025-06-09 13:31:50 +01:00
spi-omap2-mcspi.c
spi: omap2-mcspi: Disable multi-mode when the previous message kept CS asserted
2025-06-08 23:29:52 +01:00
spi-omap-uwire.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-orion.c
Linux 6.12-rc2
2024-10-07 14:53:15 +01:00
spi-pci1xxxx.c
spi: spi-pci1xxxx: Drop MSI-X usage as unsupported by DMA engine
2025-06-13 12:25:31 +01:00
spi-pic32-sqi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-pic32.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-pl022.c
spi: fix typo in the comment
2024-09-30 01:12:21 +02:00
spi-ppc4xx.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-pxa2xx-dma.c
…
spi-pxa2xx-pci.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-pxa2xx-platform.c
module: Convert symbol namespace to string literal
2024-12-02 11:34:44 -08:00
spi-pxa2xx.c
spi: pxa2xx: Fix regression when toggling chip select on LPSS devices
2025-02-04 19:09:07 +00:00
spi-pxa2xx.h
…
spi-qcom-qspi.c
spi: Use of_property_present() for non-boolean properties
2024-11-04 19:18:19 +00:00
spi-qpic-snand.c
spi: spi-qpic-snand: reallocate BAM transactions
2025-06-29 22:10:46 +01:00
spi-qup.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-rb4xx.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-realtek-rtl-snand.c
spi: realtek-rtl-snand: Drop unneeded assignment for cache_type
2025-02-03 00:41:38 +00:00
spi-realtek-rtl.c
…
spi-rockchip-sfc.c
spi-nand/spi-mem DTR support
2025-01-10 15:01:33 +00:00
spi-rockchip.c
spi-rockchip: Fix register out of bounds access
2025-03-26 13:31:00 +00:00
spi-rpc-if.c
spi: rpc-if: Add write support for memory-mapped area
2025-05-08 23:12:38 +09:00
spi-rspi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-rzv2m-csi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-s3c64xx.c
spi: s3c64xx: extend description of compatible's fifo_depth
2025-02-19 23:08:36 +00:00
spi-sc18is602.c
spi: sc18is602: Switch to generic firmware properties and drop of_match_ptr()
2024-12-02 00:32:30 +00:00
spi-sg2044-nor.c
spi: sg2044-nor: fix a couple static checker bugs
2025-03-18 14:37:39 +00:00
spi-sh-hspi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-sh-msiof.c
spi: sh-msiof: Move register definitions to <linux/spi/sh_msiof.h>
2025-05-19 11:55:37 +01:00
spi-sh-sci.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-sh.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-sifive.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-slave-mt27xx.c
spi: replace and remove
2024-09-30 22:43:40 +01:00
spi-slave-system-control.c
…
spi-slave-time.c
…
spi-sn-f-ospi.c
spi: sn-f-ospi: Fix division by zero
2025-02-06 11:33:51 +00:00
spi-sprd-adi.c
…
spi-sprd.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-st-ssc4.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-stm32-ospi.c
spi: stm32-ospi: clean up on error in probe()
2025-06-11 16:47:53 +01:00
spi-stm32-qspi.c
spi: spi-mem: Introduce a default ->exec_op() debug log
2025-03-20 12:37:11 +00:00
spi-stm32.c
spi: stm32: fix missing device mode capability in stm32mp25
2024-10-10 15:22:37 +01:00
spi-sun4i.c
spi: spi-sun4i: fix early activation
2025-05-14 10:56:43 +02:00
spi-sun6i.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-sunplus-sp7021.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-synquacer.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-tegra20-sflash.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-tegra20-slink.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-tegra114.c
spi: tegra114: Use value to check for invalid delays
2025-05-08 10:32:40 +09:00
spi-tegra210-quad.c
spi: tegra210-qspi: Remove cache operations
2025-06-13 17:30:56 +01:00
spi-test.h
…
spi-ti-qspi.c
spi: ti-qspi: Use syscon_regmap_lookup_by_phandle_args
2025-01-14 15:18:40 +00:00
spi-tle62x0.c
…
spi-topcliff-pch.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-uniphier.c
Linux 6.12-rc2
2024-10-07 14:53:15 +01:00
spi-wpcm-fiu.c
…
spi-xcomm.c
spi: xcomm: use new GPIO line value setter callbacks
2025-04-08 12:16:10 +01:00
spi-xilinx.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-xlp.c
…
spi-xtensa-xtfpga.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-zynq-qspi.c
spi: spi-mem: Introduce a default ->exec_op() debug log
2025-03-20 12:37:11 +00:00
spi-zynqmp-gqspi.c
spi: spi-mem: Introduce a default ->exec_op() debug log
2025-03-20 12:37:11 +00:00
spi.c
spi: Add check for 8-bit transfer with 8 IO mode support
2025-07-14 14:44:00 +01:00
spidev.c
spi: spidev: Add an entry for the gocontroll moduline module slot
2025-03-13 22:43:18 +00:00