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linux/arch/arm/mach-imx
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Leonard Crestez 7947e3238b ARM: imx: Fix boot crash if ocotp is not found 
The imx_soc_device_init functions tries to fetch the ocotp regmap in
order to soc serial number. If regmap fetch fails then a message is
printed but regmap_read is called anyway and the system crashes.

Failing to lookup ocotp regmap shouldn't be a fatal boot error so check
that the pointer is valid.

Only side-effect of ocotp lookup failure now is that serial number will
be reported as all-zeros which is acceptable.

Cc: stable@vger.kernel.org
Fixes: 8267ff89b713 ("ARM: imx: Add serial number support for i.MX6/7 SoCs")
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Tested-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2019-12-12 10:44:28 +08:00
..
devices
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2019-06-19 17:09:55 +02:00
3ds_debugboard.c
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3ds_debugboard.h
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2019-05-30 11:26:37 -07:00
anatop.c
ARM: imx: Drop imx_anatop_usb_chrg_detect_disable()
2019-10-28 14:26:21 +08:00
avic.c
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2019-05-21 11:28:39 +02:00
board-mx31lilly.h
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board-mx31lite.h
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board-mx31moboard.h
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2019-05-21 11:28:39 +02:00
common.h
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2019-06-19 17:09:55 +02:00
cpu-imx5.c
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cpu-imx25.c
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cpu-imx27.c
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cpu-imx31.c
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2019-05-30 11:26:32 -07:00
cpu-imx35.c
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2019-05-30 11:26:32 -07:00
cpu.c
ARM: imx: Fix boot crash if ocotp is not found
2019-12-12 10:44:28 +08:00
cpuidle-imx5.c
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2019-06-19 17:09:55 +02:00
cpuidle-imx6q.c
cpuidle: Introduce cpuidle_driver_state_disabled() for driver quirks
2019-11-19 10:35:13 +01:00
cpuidle-imx6sl.c
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2019-06-19 17:09:55 +02:00
cpuidle-imx6sx.c
SPDX update for 5.2-rc6
2019-06-21 09:58:42 -07:00
cpuidle-imx7ulp.c
ARM: imx: add i.MX7ULP cpuidle support
2019-01-15 23:03:40 +08:00
cpuidle.h
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2019-05-30 11:26:37 -07:00
crmregs-imx3.h
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2019-05-21 11:28:39 +02:00
devices-imx21.h
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2019-06-19 17:09:55 +02:00
devices-imx27.h
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2019-06-19 17:09:55 +02:00
devices-imx31.h
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2019-06-19 17:09:55 +02:00
devices-imx35.h
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2019-06-19 17:09:55 +02:00
ehci-imx27.c
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2019-05-30 11:26:37 -07:00
ehci-imx31.c
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2019-05-30 11:26:37 -07:00
ehci-imx35.c
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2019-05-30 11:26:37 -07:00
ehci.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
gpc.c
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2019-05-30 11:26:37 -07:00
hardware.h
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2019-05-21 11:28:39 +02:00
headsmp.S
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2019-05-30 11:26:37 -07:00
hotplug.c
ARM: imx: use generic function to exit coherency
2019-11-04 08:25:56 +08:00
iim.h
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2019-05-21 11:28:39 +02:00
imx27-dt.c
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2019-05-30 11:26:37 -07:00
imx31-dt.c
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2019-05-30 11:26:37 -07:00
imx35-dt.c
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2019-06-19 17:09:55 +02:00
iomux-imx31.c
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2019-05-21 11:28:39 +02:00
iomux-mx2x.h
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iomux-mx3.h
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iomux-mx21.h
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iomux-mx27.h
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iomux-mx35.h
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iomux-v1.c
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iomux-v1.h
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iomux-v3.c
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iomux-v3.h
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2019-05-21 11:28:39 +02:00
irq-common.c
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2019-05-21 11:28:39 +02:00
irq-common.h
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2019-05-21 11:28:39 +02:00
Kconfig
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2019-05-21 10:50:46 +02:00
mach-armadillo5x0.c
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2019-05-21 11:28:39 +02:00
mach-bug.c
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2019-05-30 11:26:37 -07:00
mach-imx1.c
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2019-05-30 11:26:32 -07:00
mach-imx6q.c
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mach-imx6sl.c
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mach-imx6sx.c
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mach-imx6ul.c
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2019-06-19 17:09:55 +02:00
mach-imx7d-cm4.c
ARM: imx: Provide support for NXP i.MX7D Cortex-M4
2018-07-03 15:17:57 +08:00
mach-imx7d.c
ARM: imx: stop adjusting ar8031 phy tx delay
2019-08-24 20:30:22 +02:00
mach-imx7ulp.c
ARM: imx: add i.MX7ULP SoC revision support
2019-01-16 09:36:07 +08:00
mach-imx25.c
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2019-05-30 11:26:37 -07:00
mach-imx27_visstrim_m10.c
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mach-imx50.c
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mach-imx51.c
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mach-imx53.c
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mach-kzm_arm11_01.c
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mach-ls1021a.c
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2019-05-30 11:26:32 -07:00
mach-mx21ads.c
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2019-05-30 11:26:37 -07:00
mach-mx27_3ds.c
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mach-mx27ads.c
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mach-mx31_3ds.c
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mach-mx31ads.c
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mach-mx31lilly.c
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2019-05-30 11:26:37 -07:00
mach-mx31lite.c
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mach-mx31moboard.c
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mach-mx35_3ds.c
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mach-pca100.c
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2019-05-21 11:28:39 +02:00
mach-pcm037_eet.c
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mach-pcm037.c
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mach-pcm043.c
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mach-qong.c
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mach-vf610.c
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mach-vpr200.c
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Makefile
ARM: imx: add i.MX7ULP cpuidle support
2019-01-15 23:03:40 +08:00
Makefile.boot
ARM: vf610: enable Cortex-M4 configuration on Vybrid SoC
2015-05-20 23:10:14 +02:00
mm-imx3.c
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mm-imx21.c
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mm-imx27.c
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mmdc.c
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mx2x.h
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mx3x.h
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mx21.h
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mx27.h
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mx31.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mx31lilly-db.c
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mx31lite-db.c
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mx31moboard-devboard.c
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mx31moboard-marxbot.c
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mx31moboard-smartbot.c
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mx35.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
mxc.h
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2019-05-21 11:28:39 +02:00
pcm037.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
platsmp.c
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2019-05-30 11:26:37 -07:00
pm-imx5.c
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pm-imx6.c
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2019-05-30 11:26:37 -07:00
pm-imx7ulp.c
ARM: imx: add i.MX7ULP cpuidle support
2019-01-15 23:03:40 +08:00
pm-imx25.c
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2019-06-19 17:09:55 +02:00
pm-imx27.c
ARM: imx: rework mx27_pm_init() call
2016-06-28 10:26:40 +08:00
src.c
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ssi-fiq-ksym.c
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ssi-fiq.S
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2019-06-19 17:09:55 +02:00
suspend-imx6.S
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suspend-imx53.S
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system.c
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tzic.c
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ulpi.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00