diff options
Diffstat (limited to 'drivers/of/Kconfig')
| -rw-r--r-- | drivers/of/Kconfig | 48 |
1 files changed, 40 insertions, 8 deletions
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 80b5fd44ab1c..50697cc3b07e 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -2,6 +2,12 @@ config DTC bool +config GENERIC_BUILTIN_DTB + bool + +config BUILTIN_DTB_ALL + bool + menuconfig OF bool "Device Tree and Open Firmware support" help @@ -14,15 +20,35 @@ if OF config OF_UNITTEST bool "Device Tree runtime unit tests" - depends on !SPARC + depends on OF_EARLY_FLATTREE select IRQ_DOMAIN - select OF_EARLY_FLATTREE select OF_RESOLVE help This option builds in test cases for the device tree infrastructure that are executed once at boot time, and the results dumped to the console. + This option should only be enabled for a development kernel. The tests + will taint the kernel with TAINT_TEST. The tests will cause ERROR and + WARNING messages to print on the console. The tests will cause stack + traces to print on the console. It is possible that the tests will + leave the devicetree in a corrupted state. + + The unittest output will be verbose. Copy the output to a file + via capturing the console output or via the dmesg command. Process + this file with scripts/dtc/of_unittest_expect to reduce the + verbosity, test whether expected output is present, and to + summarize the results. + + If unsure, say N here. This option is not safe to enable. + +config OF_KUNIT_TEST + tristate "Devicetree KUnit Test" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + help + This option builds KUnit unit tests for device tree infrastructure. + If unsure, say N here, but this option is safe to enable. config OF_ALL_DTBS @@ -42,8 +68,8 @@ config OF_FLATTREE select CRC32 config OF_EARLY_FLATTREE - bool - select DMA_DECLARE_COHERENT if HAS_DMA + def_bool OF && !(SPARC || ALPHA || HEXAGON || M68K || PARISC || S390) + select DMA_DECLARE_COHERENT if HAS_DMA && HAS_IOMEM select OF_FLATTREE config OF_PROMTREE @@ -87,11 +113,17 @@ config OF_OVERLAY While this option is selected automatically when needed, you can enable it manually to improve device tree unit test coverage. -config OF_NUMA - bool +config OF_OVERLAY_KUNIT_TEST + tristate "Device Tree overlay KUnit tests" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + select DTC + help + This option builds KUnit unit tests for the device tree overlay code. + + If unsure, say N here, but this option is safe to enable. -config OF_DMA_DEFAULT_COHERENT - # arches should select this if DMA is coherent by default for OF devices +config OF_NUMA bool endif # OF |