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irq: move doc to readme.

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Cleanup, interlink, retest and update observations.
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Ciro Santilli
2018-05-12 10:52:38 +01:00
parent 0c15778e14
commit d1f676a680
4 changed files with 142 additions and 50 deletions
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16
kernel_config_fragment/default
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@@ -78,6 +78,7 @@ CONFIG_VIRTIO_NET=y
# Misc
CONFIG_FRAMEBUFFER_CONSOLE_ROTATION=y
CONFIG_DUMMY_IRQ=m
## Networking
@@ -177,21 +178,6 @@ CONFIG_GPIOLIB=y
CONFIG_GPIO_SYSFS=y
CONFIG_GPIO_PL061=y
# In target:
#
# modprobe dummy-irq irq=34
# insmod /platform_device.ko
#
# Outcome:
#
# lkmc_platform_device_write offset=0 value=12345678 size=4
# dummy-irq: interrupt occurred on IRQ 34
#
# When the device generates an IRQ, the dummy module also snoops it.
#
# The IRQ number 34 was found by via dmesg on a previous "insmod /platform_device.ko".
CONFIG_DUMMY_IRQ=m
# Like CONFIG_X86_PTDUMP for ARM.
CONFIG_ARM64_PTDUMP=y