[   22.409290] spidev spi0.0: buggy DT: spidev listed directly in DT
[   22.431475] usbcore: registered new interface driver brcmfmac
[   22.457251] ------------[ cut here ]------------
[   22.457307] Bluetooth: hci0: BCM: chip id 94
[   22.483941] Bluetooth: hci0: BCM: features 0x2e
[   22.513274] WARNING: CPU: 0 PID: 338 at drivers/spi/spidev.c:730 spidev_probe+0x68/0x1e4 [spidev]
[   22.713850] Modules linked in: soundcore spidev(+) cec rc_core brcmfmac drm_kms_helper brcmutil drm hci_uart btqca btbcm cfg80211 btintel fb_sys_fops syscopyarea sysfillrect bluetooth smsc95xx sysimgblt usbnet crc32_arm_ce mii gpio_raspberrypi_exp ecdh_generic bcm2835_thermal rfkill bcm2835_wdt spi_bcm2835 bcm2835_rng leds_gpio mmc_block dwc2 sdhci_iproc sdhci_pltfm sdhci udc_core pwm_bcm2835 bcm2835 i2c_bcm2835 bcm2835_dma phy_generic
[   22.791272] CPU: 0 PID: 338 Comm: systemd-udevd Not tainted 4.17.12-200.fc28.armv7hl #1
[   22.791276] Hardware name: BCM2835
[   22.791320] [<c0312474>] (unwind_backtrace) from [<c030cbbc>] (show_stack+0x18/0x1c)
[   22.791338] [<c030cbbc>] (show_stack) from [<c0ae051c>] (dump_stack+0x80/0xa0)
[   22.791358] [<c0ae051c>] (dump_stack) from [<c0352f94>] (__warn+0xdc/0xf8)
[   22.791374] [<c0352f94>] (__warn) from [<c03532e8>] (warn_slowpath_null+0x40/0x4c)
[   22.791409] [<c03532e8>] (warn_slowpath_null) from [<bf5941c4>] (spidev_probe+0x68/0x1e4 [spidev])
[   22.791471] [<bf5941c4>] (spidev_probe [spidev]) from [<c0856d60>] (spi_drv_probe+0x90/0xa8)
[   22.791499] [<c0856d60>] (spi_drv_probe) from [<c07e1464>] (driver_probe_device+0x2c0/0x454)
[   22.791517] [<c07e1464>] (driver_probe_device) from [<c07e1680>] (__driver_attach+0x88/0xf8)
[   22.791534] [<c07e1680>] (__driver_attach) from [<c07df4d0>] (bus_for_each_dev+0x5c/0x80)
[   22.791551] [<c07df4d0>] (bus_for_each_dev) from [<c07e0738>] (bus_add_driver+0x1bc/0x234)
[   22.791569] [<c07e0738>] (bus_add_driver) from [<c07e2284>] (driver_register+0xa8/0xe8)
[   22.791595] [<c07e2284>] (driver_register) from [<bf59a084>] (spidev_init+0x84/0x1000 [spidev])
[   22.791627] [<bf59a084>] (spidev_init [spidev]) from [<c0302c58>] (do_one_initcall+0x74/0x1c4)
[   23.161195] [<c0302c58>] (do_one_initcall) from [<c03dfde0>] (do_init_module+0x60/0x1ec)
[   23.161215] [<c03dfde0>] (do_init_module) from [<c03e219c>] (load_module+0x2198/0x2228)
[   23.204865] [<c03e219c>] (load_module) from [<c03e23a8>] (sys_init_module+0x17c/0x194)
[   23.204882] [<c03e23a8>] (sys_init_module) from [<c03011bc>] (__sys_trace_return+0x0/0x10)
[   23.204889] Exception stack(0xebad9fa8 to 0xebad9ff0)
[   23.204900] 9fa0:                   0131a4f0 01355f10 01355f10 0000404b b6d0b5e8 fd02bb00
[   23.204913] 9fc0: 0131a4f0 01355f10 00020000 00000080 013487b0 bedf4d28 004b69f8 013210b0
[   23.204922] 9fe0: b6d1cfa8 bedf4c50 b6d0248c b6bc16b0
[   23.205053] ---[ end trace 981fc7b4dee32af2 ]---
[   23.206457] spidev spi0.1: buggy DT: spidev listed directly in DT
[   23.206472] ------------[ cut here ]------------
[   23.206508] WARNING: CPU: 0 PID: 338 at drivers/spi/spidev.c:730 spidev_probe+0x68/0x1e4 [spidev]
[   23.206513] Modules linked in: soundcore spidev(+) cec rc_core brcmfmac drm_kms_helper brcmutil drm hci_uart btqca btbcm cfg80211 btintel fb_sys_fops syscopyarea sysfillrect bluetooth smsc95xx sysimgblt usbnet crc32_arm_ce mii gpio_raspberrypi_exp ecdh_generic bcm2835_thermal rfkill bcm2835_wdt spi_bcm2835 bcm2835_rng leds_gpio mmc_block dwc2 sdhci_iproc sdhci_pltfm sdhci udc_core pwm_bcm2835 bcm2835 i2c_bcm2835 bcm2835_dma phy_generic
[   23.206708] CPU: 0 PID: 338 Comm: systemd-udevd Tainted: G        W         4.17.12-200.fc28.armv7hl #1
[   23.206711] Hardware name: BCM2835
[   23.206749] [<c0312474>] (unwind_backtrace) from [<c030cbbc>] (show_stack+0x18/0x1c)
[   23.206767] [<c030cbbc>] (show_stack) from [<c0ae051c>] (dump_stack+0x80/0xa0)
[   23.206787] [<c0ae051c>] (dump_stack) from [<c0352f94>] (__warn+0xdc/0xf8)
[   23.206803] [<c0352f94>] (__warn) from [<c03532e8>] (warn_slowpath_null+0x40/0x4c)
[   23.206830] [<c03532e8>] (warn_slowpath_null) from [<bf5941c4>] (spidev_probe+0x68/0x1e4 [spidev])
[   23.206863] [<bf5941c4>] (spidev_probe [spidev]) from [<c0856d60>] (spi_drv_probe+0x90/0xa8)
[   23.206885] [<c0856d60>] (spi_drv_probe) from [<c07e1464>] (driver_probe_device+0x2c0/0x454)
[   23.206908] [<c07e1464>] (driver_probe_device) from [<c07e1680>] (__driver_attach+0x88/0xf8)
[   23.206924] [<c07e1680>] (__driver_attach) from [<c07df4d0>] (bus_for_each_dev+0x5c/0x80)
[   23.206942] [<c07df4d0>] (bus_for_each_dev) from [<c07e0738>] (bus_add_driver+0x1bc/0x234)
[   23.206960] [<c07e0738>] (bus_add_driver) from [<c07e2284>] (driver_register+0xa8/0xe8)
[   23.206987] [<c07e2284>] (driver_register) from [<bf59a084>] (spidev_init+0x84/0x1000 [spidev])
[   23.207013] [<bf59a084>] (spidev_init [spidev]) from [<c0302c58>] (do_one_initcall+0x74/0x1c4)
[   23.207035] [<c0302c58>] (do_one_initcall) from [<c03dfde0>] (do_init_module+0x60/0x1ec)
[   23.207052] [<c03dfde0>] (do_init_module) from [<c03e219c>] (load_module+0x2198/0x2228)
[   23.207067] [<c03e219c>] (load_module) from [<c03e23a8>] (sys_init_module+0x17c/0x194)
[   23.207082] [<c03e23a8>] (sys_init_module) from [<c03011bc>] (__sys_trace_return+0x0/0x10)
[   23.207091] Exception stack(0xebad9fa8 to 0xebad9ff0)
[   23.207104] 9fa0:                   0131a4f0 01355f10 01355f10 0000404b b6d0b5e8 fd02bb00
[   23.207118] 9fc0: 0131a4f0 01355f10 00020000 00000080 013487b0 bedf4d28 004b69f8 013210b0
[   23.207126] 9fe0: b6d1cfa8 bedf4c50 b6d0248c b6bc16b0
[   23.207162] ---[ end trace 981fc7b4dee32af3 ]---