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linux/drivers/spi
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Kunihiko Hayashi 3588b1c0fd
spi: sn-f-ospi: Fix division by zero 
When there is no dummy cycle in the spi-nor commands, both dummy bus cycle
bytes and width are zero. Because of the cpu's warning when divided by
zero, the warning should be avoided. Return just zero to avoid such
calculations.

Fixes: 1b74dd64c8 ("spi: Add Socionext F_OSPI SPI flash controller driver")
Co-developed-by: Kohei Ito <ito.kohei@socionext.com>
Signed-off-by: Kohei Ito <ito.kohei@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://patch.msgid.link/20250206085747.3834148-1-hayashi.kunihiko@socionext.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2025-02-06 11:33:51 +00:00
..
atmel-quadspi.c spi: atmel-quadspi: Fix warning in doc-comment 2025-02-03 15:33:48 +00:00
internals.h spi: Rework per message DMA mapped flag to be per transfer 2024-06-10 12:49:03 +01:00
Kconfig spi: spi-kspi2: Add KEBA SPI controller support 2024-12-04 16:25:22 +00:00
Makefile spi: spi-kspi2: Add KEBA SPI controller support 2024-12-04 16:25:22 +00:00
spi-airoha-snfi.c Linux 6.12-rc2 2024-10-07 14:53:15 +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: spi-altera-dfl: switch to use modern name 2022-12-29 13:22:04 +00:00
spi-altera-platform.c spi: altera: Drop unneeded MODULE_ALIAS 2024-04-15 10:17:25 +09:00
spi-amd.c spi: amd: Fix -Wuninitialized in amd_spi_exec_mem_op() 2025-01-14 15:07:11 +00:00
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: 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: Fix an error handling path in aspeed_spi_[read|write]_user() 2024-12-09 13:06:22 +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: Emit trace events for spi transfers 2024-10-31 18:51:26 +00:00
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: bcm-qspi: Make bcm_qspi_remove() return void 2022-10-18 19:16:53 +01:00
spi-bcm63xx-hsspi.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-bcm63xx.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-bcm2835.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-bcm2835aux.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
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: Get rid of old SPI_MASTER_NO_TX & SPI_MASTER_NO_RX 2023-07-11 13:41:20 +01:00
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-nand/spi-mem DTR support 2025-01-10 15:01:33 +00:00
spi-cadence-xspi.c spi: cadence: Make cdns_mrvl_xspi_clk_div_list static 2024-08-19 13:11:18 +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 helper function devm_clk_get_enabled() 2023-09-11 01:31:59 +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: clps711x: switch to use modern name 2023-08-07 14:38:28 +01:00
spi-coldfire-qspi.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-cs42l43.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
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: Support per spi-mem operation frequency switches 2025-01-09 20:16:28 +00:00
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: dw: Convert dw_spi::num_cs to u32 2024-05-03 11:09:24 +09:00
spi-ep93xx.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-falcon.c spi: falcon: switch to use modern name 2023-08-14 13:10:51 +01:00
spi-fsi.c spi: fsi: switch to use spi_alloc_host() 2023-08-14 13:10:52 +01:00
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: Updates for v6.13 2024-11-20 12:23:06 -08:00
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: add missing MODULE_DESCRIPTION() macros 2024-06-10 12:49:05 +01:00
spi-fsl-lib.h spi: fsl: Remove unused extern declarations 2023-07-25 17:40:28 +01:00
spi-fsl-lpspi.c spi: spi-fsl-lpspi: Some calculation improvements 2024-10-01 12:16:13 +01:00
spi-fsl-qspi.c spi: fsl-qspi: Support per spi-mem operation frequency switches 2025-01-09 20:16:29 +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 treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
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: spi-gpio: Add support for MOSI idle state configuration 2024-07-29 01:19:53 +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: prevent overflow when estimating transfer time 2024-11-21 13:14:33 +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 Panther Lake SPI controller support 2024-12-04 13:44:01 +00:00
spi-intel-platform.c spi: intel: Add protected and locked attributes 2024-10-09 14:41:00 +01:00
spi-intel.c spi: intel: Add protected and locked attributes 2024-10-09 14:41:00 +01:00
spi-intel.h spi: intel: Add protected and locked attributes 2024-10-09 14:41:00 +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: jcore: switch to use modern name 2023-08-14 13:11:05 +01:00
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 parport: Remove parport_driver.devmodel 2024-07-03 16:44:22 +02:00
spi-loongson-core.c module: Convert symbol namespace to string literal 2024-12-02 11:34:44 -08:00
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: loongson: add bus driver for the loongson spi controller 2023-07-31 15:57:09 +01:00
spi-loopback-test.c spi: loopback-test: drop driver owner assignment 2024-03-28 13:58:40 +00:00
spi-lp8841-rtc.c spi: lp-8841: switch to use modern name 2023-09-11 01:31:31 +01:00
spi-mem.c spi: spi-mem: Estimate the time taken by operations 2025-01-10 15:20:04 +00:00
spi-meson-spicc.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
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: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
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: mpc512x-psc: switch to use modern name 2023-09-11 01:31:35 +01:00
spi-mt65xx.c spi: mt65xx: Support per spi-mem operation frequency switches 2025-01-09 20:16:31 +00:00
spi-mt7621.c spi: mt7621: allow GPIO chip select lines 2024-03-25 15:03:02 +00:00
spi-mtk-nor.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-mtk-snfi.c MTD device changes: Aside from the platform_driver::remove() switch, two 2024-11-22 17:06:59 -08:00
spi-mux.c spi: mux: set ctlr->bits_per_word_mask 2024-07-09 17:42:33 +01:00
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: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-npcm-pspi.c Linux 6.12-rc2 2024-10-07 14:53:15 +01:00
spi-nxp-fspi.c spi: nxp-fspi: Support per spi-mem operation frequency switches 2025-01-09 20:16:33 +00:00
spi-oc-tiny.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-omap-uwire.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-omap2-mcspi.c spi: omap2-mcspi: Correctly handle devm_clk_get_optional() errors 2025-01-21 13:07:03 +00:00
spi-orion.c Linux 6.12-rc2 2024-10-07 14:53:15 +01:00
spi-pci1xxxx.c spi: pci1xxxx: Use new spi_xfer_is_dma_mapped() helper 2024-06-10 12:49:01 +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: 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: Fix regression when toggling chip select on LPSS devices 2025-02-04 19:09:07 +00:00
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-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: spi-mem: rtl-snand: Correctly handle DMA transfers 2024-11-01 14:48:53 +00:00
spi-realtek-rtl.c spi: realtek-rtl: switch to use devm_spi_alloc_host() 2023-08-21 14:29:28 +01:00
spi-rockchip-sfc.c spi-nand/spi-mem DTR support 2025-01-10 15:01:33 +00:00
spi-rockchip.c spi: rockchip: Fix PM runtime count on no-op cs 2024-12-09 13:06:23 +00:00
spi-rpc-if.c Linux 6.12-rc2 2024-10-07 14:53:15 +01:00
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 Linux 6.12-rc2 2024-10-07 14:53:15 +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-sh-hspi.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-sh-msiof.c Linux 6.12-rc2 2024-10-07 14:53:15 +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: 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-qspi.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-stm32.c spi: stm32: fix missing device mode capability in stm32mp25 2024-10-10 15:22:37 +01:00
spi-sun4i.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +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: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
spi-tegra210-quad.c spi: tegra210-quad: Avoid shift-out-of-bounds 2024-11-01 14:48:52 +00:00
spi-test.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
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: make remove callback a void function 2022-02-09 13:00:45 +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 Linux 6.12-rc2 2024-10-07 14:53:15 +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 move asm/unaligned.h to linux/unaligned.h 2024-10-02 17:23:23 -04:00
spi-xilinx.c spi: Switch back to struct platform_driver::remove() 2024-09-30 01:12:23 +02:00
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-nand/spi-mem DTR support 2025-01-10 15:01:33 +00:00
spi-zynqmp-gqspi.c spi: zynqmp-gqspi: Support per spi-mem operation frequency switches 2025-01-09 20:16:38 +00:00
spi.c spi: Updates for v6.14 2025-01-22 09:08:18 -08:00
spidev.c spi: spidev: Align ordering of spidev_spi_ids[] and spidev_dt_ids[] 2024-12-17 13:27:50 +00:00