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Martin Kaiser 3d27b02202 mfd: fsl-imx25: Clean up irq settings during removal 
commit 18f7739379 upstream.

When fsl-imx25-tsadc is compiled as a module, loading, unloading and
reloading the module will lead to a crash.

Unable to handle kernel paging request at virtual address bf005430
[<c004df6c>] (irq_find_matching_fwspec)
   from [<c028d5ec>] (of_irq_get+0x58/0x74)
[<c028d594>] (of_irq_get)
   from [<c01ff970>] (platform_get_irq+0x48/0xc8)
[<c01ff928>] (platform_get_irq)
   from [<bf00e33c>] (mx25_tsadc_probe+0x220/0x2f4 [fsl_imx25_tsadc])

irq_find_matching_fwspec() loops over all registered irq domains. The
irq domain is still registered from last time the module was loaded but
the pointer to its operations is invalid after the module was unloaded.

Add a removal function which clears the irq handler and removes the irq
domain. With this cleanup in place, it's possible to unload and reload
the module.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2017-12-20 10:10:16 +01:00
..
accessibility License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
acpi ACPI / EC: Fix regression related to PM ops support in ECDT device 2017-12-05 11:26:33 +01:00
amba License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
android ANDROID: binder: fix transaction leak. 2017-12-10 13:40:37 +01:00
ata ata: fixes kernel crash while tracing ata_eh_link_autopsy event 2017-11-30 08:40:47 +00:00
atm atm: horizon: Fix irq release error 2017-12-14 09:53:13 +01:00
auxdisplay Update MIPS email addresses 2017-11-03 09:02:30 -07:00
base isa: Prevent NULL dereference in isa_bus driver callbacks 2017-12-14 09:52:51 +01:00
bcma License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
block nbd: don't start req until after the dead connection logic 2017-11-30 08:40:41 +00:00
bluetooth Bluetooth: btqcomsmd: Add support for BD address setup 2017-11-30 08:40:47 +00:00
bus bus: arm-ccn: fix module unloading Error: Removing state 147 which has instances left. 2017-12-14 09:53:03 +01:00
cdrom License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
char ipmi: Stop timers before cleaning up the module 2017-12-17 15:07:59 +01:00
clk clk: hi3660: fix incorrect uart3 clock freqency 2017-12-14 09:53:12 +01:00
clocksource clocksource/drivers/arm_arch_timer: Validate CNTFRQ after enabling frame 2017-12-10 13:40:41 +01:00
connector
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cpufreq License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cpuidle powerpc/powernv/idle: Round up latency and residency values 2017-12-17 15:08:00 +01:00
crypto crypto: talitos - fix ctr-aes-talitos 2017-12-14 09:53:05 +01:00
dax device-dax: implement ->split() to catch invalid munmap attempts 2017-12-05 11:26:28 +01:00
dca
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devfreq License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dio License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
dma dmaengine: dmatest: warn user when dma test times out 2017-11-21 09:49:20 +01:00
dma-buf dma-buf/sw_sync: force signal all unsignaled fences on dying timeline 2017-12-10 13:40:44 +01:00
edac EDAC, sb_edac: Fix missing break in switch 2017-12-10 13:40:41 +01:00
eisa License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
extcon License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
firewire License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
firmware efi/esrt: Use memunmap() instead of kfree() to free the remapping 2017-12-14 09:52:52 +01:00
fmc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fpga License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fsi drivers/fsi/scom: Remove reset before every putscom 2017-08-28 17:15:16 +02:00
gpio License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
gpu drm/i915: Fix vblank timestamp/frame counter jumps on gen2 2017-12-14 09:52:59 +01:00
hid HID: wacom: generic: Recognize WACOM_HID_WD_PEN as a type of pen collection 2017-11-21 09:49:23 +01:00
hsi License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hv Drivers: hv: vmbus: Fix a rescind issue 2017-12-14 09:52:49 +01:00
hwmon hwmon: (pmbus/core) Prevent unintentional setting of page to 0xFF 2017-12-10 13:40:40 +01:00
hwspinlock License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hwtracing License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
i2c i2c: i801: Fix Failed to allocate irq -2147483648 error 2017-12-05 11:26:33 +01:00
ide ide: ide-atapi: fix compile error with defining macro DEBUG 2017-12-17 15:08:00 +01:00
idle Revert "x86/mm: Stop calling leave_mm() in idle code" 2017-11-04 15:01:50 +01:00
iio iio: adc: meson-saradc: Meson8 and Meson8b do not have REG11 and REG13 2017-12-14 09:52:49 +01:00
infiniband RDMA/cxgb4: Annotate r2 and stag as __be32 2017-12-17 15:08:01 +01:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2017-11-10 14:14:23 -08:00
iommu iommu/vt-d: Fix scatterlist offset handling 2017-12-14 09:52:55 +01:00
ipack
…
irqchip irqchip/qcom: Fix u32 comparison with value less than zero 2017-12-14 09:53:05 +01:00
isdn License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
leds License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
lightnvm License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
macintosh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mailbox mailbox: mailbox-test: don't rely on rx_buffer content to signal data ready 2017-12-14 09:53:12 +01:00
mcb License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
md md: free unused memory after bitmap resize 2017-12-17 15:08:00 +01:00
media dvb_frontend: don't use-after-free the frontend struct 2017-12-17 15:08:01 +01:00
memory License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
memstick License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
message License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mfd mfd: fsl-imx25: Clean up irq settings during removal 2017-12-20 10:10:16 +01:00
misc cxl: Check if vphb exists before iterating over AFU devices 2017-12-05 11:26:34 +01:00
mmc mmc: sdhci-msm: fix issue with power irq 2017-12-10 13:40:40 +01:00
mtd spi-nor: intel-spi: Fix broken software sequencing codes 2017-11-30 08:40:55 +00:00
mux mux: make device_type const 2017-08-29 13:46:35 +02:00
net ipvlan: fix ipv6 outbound device 2017-12-17 15:08:00 +01:00
nfc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
ntb
…
nubus License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
nvdimm libnvdimm, namespace: make 'resource' attribute only readable by root 2017-11-30 08:40:54 +00:00
nvme nvmet-rdma: update queue list during ib_device removal 2017-12-17 15:08:00 +01:00
nvmem License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
of License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
oprofile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
parisc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
parport License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pci PCI: dra7xx: Create functional dependency between PCIe and PHY 2017-12-10 13:40:40 +01:00
pcmcia License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
perf License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
phy License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pinctrl pinctrl: armada-37xx: Fix direction_output() callback behavior 2017-12-14 09:52:49 +01:00
platform platform/x86: hp-wmi: Fix tablet mode detection for convertibles 2017-12-05 11:26:27 +01:00
pnp License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
power Update MIPS email addresses 2017-11-03 09:02:30 -07:00
powercap
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pps drivers/pps: use surrounding "if PPS" to remove numerous dependency checks 2017-09-08 18:26:51 -07:00
ps3
…
ptp License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pwm License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rapidio drivers/rapidio/devices/rio_mport_cdev.c: fix resource leak in error handling path in 'rio_dma_transfer()' 2017-12-14 09:53:08 +01:00
ras License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
regulator License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
remoteproc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
reset License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
rpmsg rpmsg: glink: Add missing MODULE_LICENSE 2017-11-21 09:49:23 +01:00
rtc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
s390 s390/qeth: fix GSO throughput regression 2017-12-17 15:07:57 +01:00
sbus License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
scsi scsi: use dma_get_cache_alignment() as minimum DMA alignment 2017-12-14 09:52:51 +01:00
sfi
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sh License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sn
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soc License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
spi spi: spi-axi: fix potential use-after-free after deregistration 2017-12-10 13:40:39 +01:00
spmi spmi: pmic-arb: Move the ownership check to irq_chip callback 2017-08-28 13:52:22 +02:00
ssb License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
staging staging: ccree: fix leak of import() after init() 2017-12-10 13:40:44 +01:00
target target: Avoid early CMD_T_PRE_EXECUTE failures during ABORT_TASK 2017-11-30 08:40:51 +00:00
tc
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tee License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
thermal License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
thunderbolt License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
tty serdev: ttyport: fix tty locking in close 2017-12-14 09:52:44 +01:00
uio License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
usb usb: gadget: ffs: Forbid usb_ep_alloc_request from sleeping 2017-12-17 15:07:59 +01:00
uwb License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vfio License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
vhost vhost: fix skb leak in handle_rx() 2017-12-17 15:07:56 +01:00
video License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
virt virt: Convert to using %pOF instead of full_name 2017-08-29 08:52:51 -05:00
virtio virtio: release virtio index when fail to device_register 2017-12-14 09:52:48 +01:00
vlynq
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vme License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
w1 License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
watchdog License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xen License cleanup: add SPDX license identifiers to some files 2017-11-02 10:04:46 -07:00
zorro License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00