On Thu, Feb 10, 2022 at 12:51 AM Vinod Koul <vkoul@xxxxxxxxxx> wrote: > > Duplicated unit address is okay if we have only one such node enabled. > So, remove '-Wno-unique_unit_address' from DTC_FLAGS. > > This helps in reducing warnings in qcom dts from > > 6483 unique_unit_address > 1108 simple_bus_reg > 764 avoid_unnecessary_addr_size > 712 unit_address_vs_reg > 120 graph_child_address > 32 unique_unit_address_if_enabled > > after this patch: > 277 simple_bus_reg > 191 avoid_unnecessary_addr_size > 178 unit_address_vs_reg > 32 unique_unit_address_if_enabled > 30 graph_child_address I'm confused how unique_unit_address changes the count for others? > > which would help people focus on the actual warnings and fix them. Hopefully you do a 'sort -u' on the warnings to dedup them... > > Suggested-by: Rob Herring <robh@xxxxxxxxxx> > Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx> > --- > scripts/Makefile.lib | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib > index 79be57fdd32a..7e4f6671d950 100644 > --- a/scripts/Makefile.lib > +++ b/scripts/Makefile.lib > @@ -299,7 +299,8 @@ quiet_cmd_gzip = GZIP $@ > # DTC > # --------------------------------------------------------------------------- > DTC ?= $(objtree)/scripts/dtc/dtc > -DTC_FLAGS += -Wno-interrupt_provider > +DTC_FLAGS += -Wno-interrupt_provider \ > + -Wno-unique_unit_address > > # Disable noisy checks by default > ifeq ($(findstring 1,$(KBUILD_EXTRA_WARN)),) > @@ -307,8 +308,9 @@ DTC_FLAGS += -Wno-unit_address_vs_reg \ > -Wno-avoid_unnecessary_addr_size \ > -Wno-alias_paths \ > -Wno-graph_child_address \ > - -Wno-simple_bus_reg \ > - -Wno-unique_unit_address > + -Wno-simple_bus_reg > +else > +DTC_FLAGS += -Wunique_unit_address_if_enabled > endif > > ifneq ($(findstring 2,$(KBUILD_EXTRA_WARN)),) > -- > 2.31.1 >
