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d8ffee2f55
Registers of DSPI should not be accessed before enabling its clock. On
Toradex Colibri VF50 on Iris carrier board this could be seen during
bootup as imprecise abort:
Unhandled fault: imprecise external abort (0x1c06) at 0x00000000
Internal error: : 1c06 [#1] ARM
Modules linked in:
CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.39-dirty #97
Hardware name: Freescale Vybrid VF5xx/VF6xx (Device Tree)
Backtrace:
[<804166a8>] (regmap_write) from [<80466b5c>] (dspi_probe+0x1f0/0x8dc)
[<8046696c>] (dspi_probe) from [<8040107c>] (platform_drv_probe+0x54/0xb8)
[<80401028>] (platform_drv_probe) from [<803ff53c>] (driver_probe_device+0x280/0x2f8)
[<803ff2bc>] (driver_probe_device) from [<803ff674>] (__driver_attach+0xc0/0xc4)
[<803ff5b4>] (__driver_attach) from [<803fd818>] (bus_for_each_dev+0x70/0xa4)
[<803fd7a8>] (bus_for_each_dev) from [<803fee74>] (driver_attach+0x24/0x28)
[<803fee50>] (driver_attach) from [<803fe980>] (bus_add_driver+0x1a0/0x218)
[<803fe7e0>] (bus_add_driver) from [<803fffe8>] (driver_register+0x80/0x100)
[<803fff68>] (driver_register) from [<80400fdc>] (__platform_driver_register+0x48/0x50)
[<80400f94>] (__platform_driver_register) from [<8091cf7c>] (fsl_dspi_driver_init+0x1c/0x20)
[<8091cf60>] (fsl_dspi_driver_init) from [<8010195c>] (do_one_initcall+0x4c/0x174)
[<80101910>] (do_one_initcall) from [<80900e8c>] (kernel_init_freeable+0x144/0x1d8)
[<80900d48>] (kernel_init_freeable) from [<805ff6a8>] (kernel_init+0x10/0x114)
[<805ff698>] (kernel_init) from [<80107be8>] (ret_from_fork+0x14/0x2c)
Cc: <stable@vger.kernel.org>
Fixes:
|
||
|---|---|---|
| .. | ||
| internals.h | ||
| Kconfig | ||
| Makefile | ||
| spi-altera.c | ||
| spi-armada-3700.c | ||
| spi-ath79.c | ||
| spi-atmel.c | ||
| spi-au1550.c | ||
| spi-axi-spi-engine.c | ||
| spi-bcm-qspi.c | ||
| spi-bcm-qspi.h | ||
| spi-bcm63xx-hsspi.c | ||
| spi-bcm63xx.c | ||
| spi-bcm2835.c | ||
| spi-bcm2835aux.c | ||
| spi-bitbang-txrx.h | ||
| spi-bitbang.c | ||
| spi-brcmstb-qspi.c | ||
| spi-butterfly.c | ||
| spi-cadence.c | ||
| spi-cavium-octeon.c | ||
| spi-cavium-thunderx.c | ||
| spi-cavium.c | ||
| spi-cavium.h | ||
| spi-clps711x.c | ||
| spi-coldfire-qspi.c | ||
| spi-davinci.c | ||
| spi-dln2.c | ||
| spi-dw-mid.c | ||
| spi-dw-mmio.c | ||
| spi-dw-pci.c | ||
| spi-dw.c | ||
| spi-dw.h | ||
| spi-efm32.c | ||
| spi-ep93xx.c | ||
| spi-falcon.c | ||
| spi-fsl-cpm.c | ||
| spi-fsl-cpm.h | ||
| spi-fsl-dspi.c | ||
| spi-fsl-espi.c | ||
| spi-fsl-lib.c | ||
| spi-fsl-lib.h | ||
| spi-fsl-lpspi.c | ||
| spi-fsl-spi.c | ||
| spi-fsl-spi.h | ||
| spi-gpio.c | ||
| spi-img-spfi.c | ||
| spi-imx.c | ||
| spi-iproc-qspi.c | ||
| spi-jcore.c | ||
| spi-lantiq-ssc.c | ||
| spi-lm70llp.c | ||
| spi-loopback-test.c | ||
| spi-lp8841-rtc.c | ||
| spi-mem.c | ||
| spi-meson-spicc.c | ||
| spi-meson-spifc.c | ||
| spi-mpc52xx-psc.c | ||
| spi-mpc52xx.c | ||
| spi-mpc512x-psc.c | ||
| spi-mt65xx.c | ||
| spi-mxs.c | ||
| spi-nuc900.c | ||
| spi-oc-tiny.c | ||
| spi-omap-100k.c | ||
| spi-omap-uwire.c | ||
| spi-omap2-mcspi.c | ||
| spi-orion.c | ||
| spi-pic32-sqi.c | ||
| spi-pic32.c | ||
| spi-pl022.c | ||
| spi-ppc4xx.c | ||
| spi-pxa2xx-dma.c | ||
| spi-pxa2xx-pci.c | ||
| spi-pxa2xx.c | ||
| spi-pxa2xx.h | ||
| spi-qup.c | ||
| spi-rb4xx.c | ||
| spi-rockchip.c | ||
| spi-rspi.c | ||
| spi-s3c24xx-fiq.h | ||
| spi-s3c24xx-fiq.S | ||
| spi-s3c24xx.c | ||
| spi-s3c64xx.c | ||
| spi-sc18is602.c | ||
| spi-sh-hspi.c | ||
| spi-sh-msiof.c | ||
| spi-sh-sci.c | ||
| spi-sh.c | ||
| spi-sirf.c | ||
| spi-slave-system-control.c | ||
| spi-slave-time.c | ||
| spi-sprd-adi.c | ||
| spi-st-ssc4.c | ||
| spi-stm32.c | ||
| spi-sun4i.c | ||
| spi-sun6i.c | ||
| spi-tegra20-sflash.c | ||
| spi-tegra20-slink.c | ||
| spi-tegra114.c | ||
| spi-test.h | ||
| spi-ti-qspi.c | ||
| spi-tle62x0.c | ||
| spi-topcliff-pch.c | ||
| spi-txx9.c | ||
| spi-xcomm.c | ||
| spi-xilinx.c | ||
| spi-xlp.c | ||
| spi-xtensa-xtfpga.c | ||
| spi-zynqmp-gqspi.c | ||
| spi.c | ||
| spidev.c | ||