On 08/28/2018 03:29 PM, Li Yang wrote: > On Tue, Aug 28, 2018 at 5:16 PM Tyrel Datwyler > <tyreld@xxxxxxxxxxxxxxxxxx> wrote: >> >> On 08/28/2018 11:48 AM, Li Yang wrote: >>> On Mon, Aug 27, 2018 at 8:57 PM Rob Herring <robh@xxxxxxxxxx> wrote: >>>> >>>> In preparation to remove the node name pointer from struct device_node, >>>> convert printf users to use the %pOFn format specifier. >>> >>> Please forgive my ignorance, but what is this format specifier do >>> exactly? I cannot find anything listed in the printf specification >>> matching this. Is this something newly introduced? >>> >>> Leo >>> >> >> From Documentation/core-api/printk-formats.rst: > > I was trying to find it in the standard c format specifier. :( > Thanks a lot for the pointer. > No problem. Its worth a look through. The usual integer types are at the top, but that is followed by the pointer types which the kernel provides quite a few for a variety of things. >> >> kobjects >> -------- >> >> :: >> >> %pOF[fnpPcCF] >> >> >> For printing kobject based structs (device nodes). Default behaviour is >> equivalent to %pOFf. >> >> - f - device node full_name >> - n - device node name >> - p - device node phandle >> - P - device node path spec (name + @unit) >> - F - device node flags >> - c - major compatible string >> - C - full compatible string >> >> >> -Tyrel >> >
