Hi everybody,
I've just tried new gpio hog functionality, but maybe I misunderstand something
or I'm doing something wrong?
Can someone help me with it, please?
Thanks, Jiri.
Here is dmesg:
[ 0.000000] Booting Linux on physical CPU 0x0
[ 0.000000] Linux version 4.3.0-rc4-next-20151006_cpm9g25+ (prchal@prchalpc) (gcc version 4.7.3 (Ubuntu/Linaro
4.7.3-12ubuntu1) ) #7 PREEMPT Thu Oct 8 09:08:21 CEST 2015
[ 0.000000] CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=0005317f
...
[ 0.243333] requesting hog GPIO in18 (chip fffff400.gpio, offset 28) failed
[ 0.243333] requesting hog GPIO in19 (chip fffff400.gpio, offset 21) failed
[ 0.246666] gpio-at91 fffff400.gpio: at address c8856400
...
and here my part of dts:
...
ahb {
apb {
pinctrl@fffff400 {
pioA: gpio@fffff400 {
in18 {
gpio-hog;
gpios = <28 0>;
input;
line-name = "in18";
};
in19 {
gpio-hog;
gpios = <21 GPIO_ACTIVE_LOW>;
input;
};
};
...
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