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Diffstat (limited to 'Documentation/core-api/printk-formats.rst')
| -rw-r--r-- | Documentation/core-api/printk-formats.rst | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst index 0c081edbe97e..a6df7e99e6c9 100644 --- a/Documentation/core-api/printk-formats.rst +++ b/Documentation/core-api/printk-formats.rst @@ -418,6 +418,30 @@ Examples:: Passed by reference. +Fwnode handles +-------------- + +:: + + %pfw[fP] + +For printing information on fwnode handles. The default is to print the full +node name, including the path. The modifiers are functionally equivalent to +%pOF above. + + - f - full name of the node, including the path + - P - the name of the node including an address (if there is one) + +Examples (ACPI):: + + %pfwf \_SB.PCI0.CIO2.port@1.endpoint@0 - Full node name + %pfwP endpoint@0 - Node name + +Examples (OF):: + + %pfwf /ocp@68000000/i2c@48072000/camera@10/port/endpoint - Full name + %pfwP endpoint - Node name + Time and date (struct rtc_time) ------------------------------- |