On Tue, Aug 8, 2017 at 11:06 PM, David Gibson
<david@xxxxxxxxxxxxxxxxxxxxx> wrote:
> On Tue, Aug 08, 2017 at 12:28:19PM +0100, Russell King - ARM Linux wrote:
>> On Wed, Jul 26, 2017 at 11:30:04AM +1000, David Gibson wrote:
>> > On Tue, Jul 25, 2017 at 05:20:09PM +0100, Russell King wrote:
>> > > dtc uses an incorrect format specifier for printing a uint64_t value.
>> > > uint64_t may be either 'unsigned long' or 'unsigned long long' depending
>> > > on the host architecture.
>> > >
>> > > Fix this by using %llx and casting to unsigned long long, which ensures
>> > > that we always have a wide enough variable to print 64 bits of hex.
>> > >
>> > > HOSTCC scripts/dtc/checks.o
>> > > scripts/dtc/checks.c: In function 'check_simple_bus_reg':
>> > > scripts/dtc/checks.c:876:2: warning: format '%zx' expects argument of type 'size_t', but argument 4 has type 'uint64_t' [-Wformat=]
>> > > snprintf(unit_addr, sizeof(unit_addr), "%zx", reg);
>> > > ^
>> > > scripts/dtc/checks.c:876:2: warning: format '%zx' expects argument of type 'size_t', but argument 4 has type 'uint64_t' [-Wformat=]
>> > >
>> > > Fixes: 828d4cdd012c ("dtc: check.c fix compile error")
>> > > Signed-off-by: Russell King <rmk+kernel@xxxxxxxxxxxxxxx>
>> >
>> > This (embarrassing) error is already fixed in upstream dtc.
>>
>> It remains unfixed in 4.13-rc4. How do we get this fixed in the
>> kernel's dtc? From what I can see, sending a patch to fix stuff
>> doesn't work.
Sorry, didn't see this until Andrew M picked it up.
> Um.. I don't know. I haven't been the person doing updates of the
> kernel dtc to match upstream dtc for ages.
The flow is submit a patch to upstream dtc on
devicetree-compiler@xxxxxxxxxxxxxxx and then bug me to cherry-pick or
sync dtc.
I will cherry-pick the upstream version.
Rob
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