![]() arm:pxa_defconfig can result in the following crash if the max1111 driver is not instantiated. Unhandled fault: page domain fault (0x01b) at 0x00000000 pgd = c0004000 [00000000] *pgd=00000000 Internal error: : 1b [#1] PREEMPT ARM Modules linked in: CPU: 0 PID: 300 Comm: kworker/0:1 Not tainted 4.5.0-01301-g1701f680407c #10 Hardware name: SHARP Akita Workqueue: events sharpsl_charge_toggle task: c390a000 ti: c391e000 task.ti: c391e000 PC is at max1111_read_channel+0x20/0x30 LR is at sharpsl_pm_pxa_read_max1111+0x2c/0x3c pc : [<c03aaab0>] lr : [<c0024b50>] psr: 20000013 ... [<c03aaab0>] (max1111_read_channel) from [<c0024b50>] (sharpsl_pm_pxa_read_max1111+0x2c/0x3c) [<c0024b50>] (sharpsl_pm_pxa_read_max1111) from [<c00262e0>] (spitzpm_read_devdata+0x5c/0xc4) [<c00262e0>] (spitzpm_read_devdata) from [<c0024094>] (sharpsl_check_battery_temp+0x78/0x110) [<c0024094>] (sharpsl_check_battery_temp) from [<c0024f9c>] (sharpsl_charge_toggle+0x48/0x110) [<c0024f9c>] (sharpsl_charge_toggle) from [<c004429c>] (process_one_work+0x14c/0x48c) [<c004429c>] (process_one_work) from [<c0044618>] (worker_thread+0x3c/0x5d4) [<c0044618>] (worker_thread) from [<c004a238>] (kthread+0xd0/0xec) [<c004a238>] (kthread) from [<c000a670>] (ret_from_fork+0x14/0x24) This can occur because the SPI controller driver (SPI_PXA2XX) is built as module and thus not necessarily loaded. While building SPI_PXA2XX into the kernel would make the problem disappear, it appears prudent to ensure that the driver is instantiated before accessing its data structures. Cc: Arnd Bergmann <arnd@arndb.de> Cc: stable@vger.kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net> |
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.. | ||
pmbus | ||
ab8500.c | ||
abituguru.c | ||
abituguru3.c | ||
abx500.c | ||
abx500.h | ||
acpi_power_meter.c | ||
ad7314.c | ||
ad7414.c | ||
ad7418.c | ||
adc128d818.c | ||
adcxx.c | ||
adm1021.c | ||
adm1025.c | ||
adm1026.c | ||
adm1029.c | ||
adm1031.c | ||
adm9240.c | ||
ads1015.c | ||
ads7828.c | ||
ads7871.c | ||
adt7x10.c | ||
adt7x10.h | ||
adt7310.c | ||
adt7410.c | ||
adt7411.c | ||
adt7462.c | ||
adt7470.c | ||
adt7475.c | ||
amc6821.c | ||
applesmc.c | ||
asb100.c | ||
asc7621.c | ||
asus_atk0110.c | ||
atxp1.c | ||
coretemp.c | ||
da9052-hwmon.c | ||
da9055-hwmon.c | ||
dell-smm-hwmon.c | ||
dme1737.c | ||
ds620.c | ||
ds1621.c | ||
emc6w201.c | ||
emc1403.c | ||
emc2103.c | ||
f71805f.c | ||
f71882fg.c | ||
f75375s.c | ||
fam15h_power.c | ||
fschmd.c | ||
g760a.c | ||
g762.c | ||
gl518sm.c | ||
gl520sm.c | ||
gpio-fan.c | ||
hih6130.c | ||
hwmon-vid.c | ||
hwmon.c | ||
i5k_amb.c | ||
i5500_temp.c | ||
ibmaem.c | ||
ibmpex.c | ||
ibmpowernv.c | ||
iio_hwmon.c | ||
ina2xx.c | ||
ina209.c | ||
it87.c | ||
jc42.c | ||
jz4740-hwmon.c | ||
k8temp.c | ||
k10temp.c | ||
Kconfig | ||
lineage-pem.c | ||
lm63.c | ||
lm70.c | ||
lm73.c | ||
lm75.c | ||
lm75.h | ||
lm77.c | ||
lm78.c | ||
lm80.c | ||
lm83.c | ||
lm85.c | ||
lm87.c | ||
lm90.c | ||
lm92.c | ||
lm93.c | ||
lm95234.c | ||
lm95241.c | ||
lm95245.c | ||
ltc2945.c | ||
ltc2990.c | ||
ltc4151.c | ||
ltc4215.c | ||
ltc4222.c | ||
ltc4245.c | ||
ltc4260.c | ||
ltc4261.c | ||
Makefile | ||
max197.c | ||
max1111.c | ||
max1619.c | ||
max1668.c | ||
max6639.c | ||
max6642.c | ||
max6650.c | ||
max6697.c | ||
max16065.c | ||
max31790.c | ||
mc13783-adc.c | ||
mcp3021.c | ||
menf21bmc_hwmon.c | ||
nct6683.c | ||
nct6775.c | ||
nct7802.c | ||
nct7904.c | ||
nsa320-hwmon.c | ||
ntc_thermistor.c | ||
pc87360.c | ||
pc87427.c | ||
pcf8591.c | ||
powr1220.c | ||
pwm-fan.c | ||
s3c-hwmon.c | ||
sch56xx-common.c | ||
sch56xx-common.h | ||
sch5627.c | ||
sch5636.c | ||
scpi-hwmon.c | ||
sht15.c | ||
sht21.c | ||
shtc1.c | ||
sis5595.c | ||
smm665.c | ||
smsc47b397.c | ||
smsc47m1.c | ||
smsc47m192.c | ||
tc74.c | ||
thmc50.c | ||
tmp102.c | ||
tmp103.c | ||
tmp401.c | ||
tmp421.c | ||
twl4030-madc-hwmon.c | ||
ultra45_env.c | ||
vexpress-hwmon.c | ||
via-cputemp.c | ||
via686a.c | ||
vt1211.c | ||
vt8231.c | ||
w83l785ts.c | ||
w83l786ng.c | ||
w83627ehf.c | ||
w83627hf.c | ||
w83781d.c | ||
w83791d.c | ||
w83792d.c | ||
w83793.c | ||
w83795.c | ||
wm831x-hwmon.c | ||
wm8350-hwmon.c |