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cb99656b7c4185953c9d272bbdab63c8aa651e6e
linux/drivers/spi
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Dan Carpenter cb99656b7c spi: Fix potential uninitialized variable in probe() 
If the device tree is messed up, then potentially the "protocol" string
could potentially be uninitialized.  The property is supposed to default
to "motorola" so if the of_property_read_string() function returns
-EINVAL then default to "motorola".

Fixes: 059f545832 ("spi: add support for microchip "soft" spi controller")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Prajna Rajendra Kumar <prajna.rajendrakumar@microchip.com>
Link: https://patch.msgid.link/aSQPkfkiJ0w-FJMW@stanley.mountain
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-11-24 15:11:55 +00:00
..
atmel-quadspi.c
spi: atmel-quadspi: Add support for sama7d65 QSPI
2025-09-18 22:26:42 +01:00
internals.h
spi: Rework per message DMA mapped flag to be per transfer
2024-06-10 12:49:03 +01:00
Kconfig
Add support for Microchip CoreSPI Controller
2025-11-14 16:15:36 +00:00
Makefile
spi: add support for microchip "soft" spi controller
2025-11-14 13:54:43 +00:00
spi-airoha-snfi.c
spi: airoha: buffer must be 0xff-ed before writing
2025-10-17 13:30:53 +01:00
spi-altera-core.c
spi: add missing MODULE_DESCRIPTION() macros
2024-06-10 12:49:05 +01:00
spi-altera-dfl.c
…
spi-altera-platform.c
spi: remove unneeded 'fast_io' parameter in regmap_config
2025-08-13 22:31:06 +01:00
spi-amd-pci.c
spi: spi_amd: Remove the use of dev_err_probe()
2025-08-19 13:05:58 +01:00
spi-amd.c
spi: spi_amd: Remove the use of dev_err_probe()
2025-08-19 13:05:58 +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-amlogic-spifc-a4.c
spi: amlogic: fix spifc build error
2025-10-15 14:09:57 +01:00
spi-amlogic-spisg.c
spi: Remove the use of dev_err_probe()
2025-08-19 18:45:38 +01:00
spi-apple.c
spi: apple: Add "apple,t8103-spi" compatible
2025-09-14 21:51:35 +02:00
spi-ar934x.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-armada-3700.c
spi: armada-3700: use 'time_left' variable with wait_for_completion_timeout()
2024-04-30 23:57:26 +09:00
spi-aspeed-smc.c
spi: aspeed: Add support for the AST2700 SPI controller
2025-11-17 00:49:57 +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: atmel: Add support for handling GCLK as a clock source
2025-08-10 21:11:42 +01:00
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: use adi_axi_pcore_ver_gteq()
2025-09-11 17:52:15 +01:00
spi-bcm63xx-hsspi.c
spi: bcm63xx-hsspi: fix shared reset
2025-05-30 11:42:38 +01:00
spi-bcm63xx.c
spi: bcm63xx: drop wrong casts in probe()
2025-11-16 23:59:11 +00:00
spi-bcm2835.c
spi: bcm2835: Remove redundant semicolons
2025-08-12 12:06:11 +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: fix SFDP BFPT read by usig mspi read
2024-01-23 13:28:03 +00:00
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: bitbang: Implement support for MOSI idle state configuration
2024-07-29 01:19:52 +01:00
spi-brcmstb-qspi.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-butterfly.c
parport: Remove parport_driver.devmodel
2024-07-03 16:44:22 +02:00
spi-cadence-quadspi.c
spi: cadence-quadspi: Fix pm_runtime unbalance on dma EPROBE_DEFER
2025-10-13 13:34:08 +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
spi: spi-cadence: supports transmission with bits_per_word of 16 and 32
2025-11-13 18:56:49 +00:00
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: Follow renaming of SPI "master" to "controller"
2024-02-08 11:54:50 +00:00
spi-cavium.h
spi: cavium: Follow renaming of SPI "master" to "controller"
2024-02-08 11:54:50 +00:00
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: Property entry should be a null-terminated array
2025-08-01 14:36:21 +01:00
spi-davinci.c
spi: davinci: remove platform data header
2025-11-17 17:27:38 +00:00
spi-dln2.c
spi: Merge up v6.12
2024-10-07 14:53:15 +01:00
spi-dw-bt1.c
spi: dw: rename the spi controller to ctlr
2025-10-13 11:27:35 +01:00
spi-dw-core.c
spi: dw: add target mode support
2025-10-13 11:27:36 +01:00
spi-dw-dma.c
spi: dw: rename the spi controller to ctlr
2025-10-13 11:27:35 +01:00
spi-dw-mmio.c
spi: dw: add target mode support
2025-10-13 11:27:36 +01:00
spi-dw-pci.c
spi: dw: rename the spi controller to ctlr
2025-10-13 11:27:35 +01:00
spi-dw.h
spi: dw: rename the spi controller to ctlr
2025-10-13 11:27:35 +01:00
spi-ep93xx.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-falcon.c
spi: falcon: mark falcon_sflash_xfer() as static
2025-06-18 17:23:10 +01:00
spi-fsi.c
spi: fsi: Batch TX operations
2025-02-03 19:24:44 +00:00
spi-fsl-cpm.c
spi: add missing MODULE_DESCRIPTION() macros
2024-06-10 12:49:05 +01:00
spi-fsl-cpm.h
spi: fsl: remove is_dma_mapped checks
2024-03-28 21:09:46 +00:00
spi-fsl-dspi.c
spi: spi-fsl-dspi: Report FIFO overflows as errors
2025-09-03 14:30:34 +01:00
spi-fsl-espi.c
spi: Remove redundant pm_runtime_mark_last_busy() calls
2025-07-05 00:50:32 +01:00
spi-fsl-lib.c
spi: add missing MODULE_DESCRIPTION() macros
2024-06-10 12:49:05 +01:00
spi-fsl-lib.h
…
spi-fsl-lpspi.c
spi: spi-fsl-dspi: Target mode improvements
2025-09-03 20:15:02 +01:00
spi-fsl-qspi.c
spi: fsl-qspi: support the SpacemiT K1 SoC
2025-11-06 16:57:36 +00:00
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: Load spi qup Firmware from linux side
2025-09-17 13:50:23 -05:00
spi-gpio.c
spi: gpio: Use explicit 'unsigned int' for parameter types
2025-07-16 11:15:31 +01:00
spi-gxp.c
spi: spi-gxp: BUG: Correct spi write return value
2023-09-27 17:06:36 +02:00
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: imx: add 16/32 bits per word support for target PIO mode
2025-11-18 18:54:27 +00:00
spi-ingenic.c
spi: ingenic: Use new spi_xfer_is_dma_mapped() helper
2024-06-10 12:48:59 +01:00
spi-intel-pci.c
spi: intel: Add support for Oak Stream SPI serial flash
2025-10-29 12:53:45 +00:00
spi-intel-platform.c
spi: intel: Improve resource mapping
2025-04-24 12:56:59 +01:00
spi-intel.c
spi: intel: Add support for 128M component density
2025-10-20 16:15:29 +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
spi: ljca: Remove Wentong's e-mail address
2025-09-22 14:23:41 +02:00
spi-lm70llp.c
parport: Remove parport_driver.devmodel
2024-07-03 16:44:22 +02:00
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: loopback-test: Don't use %pK through printk
2025-08-12 12:06:13 +01:00
spi-lp8841-rtc.c
…
spi-mem.c
spi: spi-mem: Trace exec_op
2025-10-27 11:10:50 +00:00
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
support for Amlogic SPI Flash Controller IP
2025-09-12 00:54:56 +01:00
spi-microchip-core-spi.c
spi: Fix potential uninitialized variable in probe()
2025-11-24 15:11:55 +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-mpfs.c
spi: microchip: rename driver file and internal identifiers
2025-11-14 13:54:41 +00:00
spi-mt65xx.c
spi: mt65xx: add dual and quad mode for standard spi device
2025-09-17 12:53:47 +01:00
spi-mt7621.c
spi: mt7621: allow GPIO chip select lines
2024-03-25 15:03:02 +00:00
spi-mtk-nor.c
spi: Remove redundant pm_runtime_mark_last_busy() calls
2025-07-05 00:50:32 +01:00
spi-mtk-snfi.c
spi: mtk-snfi: Remove redundant semicolons
2025-08-12 12:06:12 +01:00
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: fix "transfered"->"transferred"
2025-09-03 13:43:58 +01:00
spi-npcm-fiu.c
spi: npcm-fiu: use min_t() to improve code
2025-08-18 13:14:03 +01:00
spi-npcm-pspi.c
spi: Merge up v6.12
2024-10-07 14:53:15 +01:00
spi-nxp-fspi.c
spi: spi-nxp-fspi: limit the clock rate for different sample clock source selection
2025-10-13 13:32:48 +01:00
spi-oc-tiny.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-offload-trigger-adi-util-sigma-delta.c
spi: offload trigger: adi-util-sigma-delta: clean up imports
2025-08-18 13:13:57 +01:00
spi-offload-trigger-pwm.c
spi: offload: Add offset parameter
2025-10-13 11:27:52 +01:00
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: drive SPI_CLK on transfer_setup()
2025-09-22 09:28:50 +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
spi: Merge up v6.12
2024-10-07 14:53:15 +01:00
spi-pci1xxxx.c
spi: spi-pci1xxxx: enable concurrent DMA read/write across SPI transfers
2025-06-30 12:15:45 +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: spl022: use min_t() to improve code
2025-08-18 13:14:04 +01:00
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: Remove DMA parameters from struct chip_data
2024-05-03 11:11:36 +09:00
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: Remove the use of dev_err_probe()
2025-08-19 13:06:02 +01:00
spi-pxa2xx.h
spi: pxa2xx: Do not override dev->platform_data on probe
2024-08-22 13:34:05 +01:00
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: make qcom_spi_ecc_engine_ops_pipelined const
2025-10-23 14:10:53 +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: rb4xx: use devm for clk_prepare_enable
2025-08-28 11:08:47 +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: rockchip-sfc: Fix DMA-API usage
2025-10-06 13:37:12 +01:00
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 resume support for RZ/G3E
2025-09-22 09:21:18 +01:00
spi-rspi.c
spi: rspi: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
2025-07-10 09:16:15 +01:00
spi-rzv2h-rspi.c
spi: Add driver for the RZ/V2H(P) RSPI IP
2025-07-24 14:00:23 +01:00
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: Drop S3C2443
2025-09-08 16:22:15 +01:00
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: sophgo: Fix incorrect use of bus width value macros
2025-11-18 23:15:11 +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: Convert to DEFINE_SIMPLE_DEV_PM_OPS()
2025-07-10 09:16:14 +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-system-control: switch to use spi_target_abort()
2024-09-10 12:41:38 +01:00
spi-slave-time.c
spi: slave-time: switch to use spi_target_abort()
2024-09-10 12:41:37 +01:00
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-adi: switch to use spi_alloc_host()
2023-12-11 12:54:53 +00:00
spi-sprd.c
spi: Remove redundant pm_runtime_mark_last_busy() calls
2025-07-05 00:50:32 +01:00
spi-st-ssc4.c
spi: st: fix PM macros to use CONFIG_PM instead of CONFIG_PM_SLEEP
2025-08-21 13:14:10 +01:00
spi-stm32-ospi.c
spi: stm32-ospi: Fix NULL vs IS_ERR() bug in stm32_ospi_get_resources()
2025-07-16 16:35:18 +01:00
spi-stm32-qspi.c
spi: Remove redundant pm_runtime_mark_last_busy() calls
2025-07-05 00:50:32 +01:00
spi-stm32.c
treewide: Remove redundant
2025-07-07 16:12:21 +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: sunplus: sp7021: Clean up coding style
2025-08-10 21:11:39 +01:00
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-quad: Check hardware status on timeout
2025-11-04 16:48:55 +00:00
spi-test.h
…
spi-ti-qspi.c
spi: Remove redundant pm_runtime_mark_last_busy() calls
2025-07-05 00:50:32 +01:00
spi-tle62x0.c
spi: tle62x0: Add newline to sysfs attribute output
2025-10-30 13:08:11 +00:00
spi-topcliff-pch.c
spi: Switch back to struct platform_driver::remove()
2024-09-30 01:12:23 +02:00
spi-uniphier.c
spi: Merge up v6.12
2024-10-07 14:53:15 +01:00
spi-virtio.c
SPI: Add virtio SPI driver
2025-09-22 09:29:30 +01:00
spi-wpcm-fiu.c
spi: wpcm-fiu: Simplify with dev_err_probe()
2024-08-28 22:22:24 +01:00
spi-xcomm.c
treewide: rename GPIO set callbacks back to their original names
2025-08-07 10:07:06 +02:00
spi-xilinx.c
spi: xilinx: Fix block comment style and minor cleanups
2025-07-10 09:16:13 +01:00
spi-xlp.c
spi: xlp: use 'time_left' variable with wait_for_completion_timeout()
2024-04-30 23:57:32 +09:00
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: Remove redundant pm_runtime_mark_last_busy() calls
2025-07-05 00:50:32 +01:00
spi.c
spi: rename SPI_CS_CNT_MAX => SPI_DEVICE_CS_CNT_MAX
2025-09-22 09:29:45 +01:00
spidev.c
spi: spidev: add compatible for arduino spi mcu interface
2025-11-20 17:22:39 +00:00