> -----Original Message----- > From: Nick Desaulniers <[email protected]> > Sent: Thursday, January 21, 2021 11:08 AM > To: Rafael J. Wysocki <[email protected]>; Kaneda, Erik > <[email protected]> > Cc: Jon Hunter <[email protected]>; Moore, Robert > <[email protected]>; Wysocki, Rafael J <[email protected]>; > Gustavo A . R . Silva <[email protected]>; clang-built-linux <clang-built- > [email protected]>; Len Brown <[email protected]>; ACPI Devel > Maling List <[email protected]>; open list:ACPI COMPONENT > ARCHITECTURE (ACPICA) <[email protected]>; Linux Kernel Mailing List > <[email protected]>; linux-tegra <[email protected]> > Subject: Re: [PATCH] ACPICA: fix -Wfallthrough > > On Thu, Jan 21, 2021 at 11:03 AM Rafael J. Wysocki <[email protected]> > wrote: > > > > On Thu, Jan 21, 2021 at 11:08 AM Jon Hunter <[email protected]> > wrote: > > > > > > > > > On 11/11/2020 02:11, Nick Desaulniers wrote: > > > > The "fallthrough" pseudo-keyword was added as a portable way to > denote > > > > intentional fallthrough. This code seemed to be using a mix of > > > > fallthrough comments that GCC recognizes, and some kind of lint > marker. > > > > I'm guessing that linter hasn't been run in a while from the mixed use > > > > of the marker vs comments. > > > > > > > > Signed-off-by: Nick Desaulniers <[email protected]> > > > > > > > > > I know this is not the exact version that was merged, I can't find it on > > > the list, but looks like the version that was merged [0], > > > > It would be this patch: > > > > https://patchwork.kernel.org/project/linux- > acpi/patch/[email protected]/ > > > > Nick, Erik? > > oh, shit, looks like a line was dropped. Here's what I sent upstream: > https://github.com/acpica/acpica/pull/650/files#diff- > cccd96e900e01f7224c81508cbddfb1af6fcfbff959d6bfb55123e1b9cad4e38R154 > 3 > Note in the patch Rafael links to that line is missing and there's > instead an #ifdef that's empty. Was this line accidentally dropped?
Looks like this line was dropped by ACPICA's Linux-ize scripts. I'll re-add it and send again. Rafael, do you want me to re-send the series or do you want me to resend the specific commit? I don't mind either way. Thanks, Erik > > > > > > is causing build errors with older toolchains (GCC v6) ... > > > > > > /dvs/git/dirty/git-master_l4t- > upstream/kernel/drivers/acpi/acpica/dscontrol.c: In function > ‘acpi_ds_exec_begin_control_op’: > > > /dvs/git/dirty/git-master_l4t- > upstream/kernel/drivers/acpi/acpica/dscontrol.c:65:3: error: > ‘ACPI_FALLTHROUGH’ undeclared (first use in this function) > > > ACPI_FALLTHROUGH; > > > ^~~~~~~~~~~~~~~~ > > > /dvs/git/dirty/git-master_l4t- > upstream/kernel/drivers/acpi/acpica/dscontrol.c:65:3: note: each > undeclared identifier is reported only once for each function it appears in > > > /dvs/git/dirty/git-master_l4t- > upstream/kernel/scripts/Makefile.build:287: recipe for target > 'drivers/acpi/acpica/dscontrol.o' failed > > > > > > Cheers > > > Jon > > > > > > [0] https://github.com/acpica/acpica/commit/4b9135f5 > > > > > > -- > > > nvpublic > > > > -- > Thanks, > ~Nick Desaulniers
