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authorMathieu Malaterre <malat@debian.org>2018-12-03 22:23:43 +0100
committerPaul Burton <paul.burton@mips.com>2018-12-03 13:42:38 -0800
commit69095e3900b22bc289ade04ac548ae6b9e8f45ec (patch)
tree2eb13009526bc88fc118b335db4bebf49e4fa078 /arch/mips/mm
parent1aeba347b3a90a8b22f1c3eed0dcfba38bb8dbb8 (diff)
downloadlinux-69095e3900b22bc289ade04ac548ae6b9e8f45ec.tar.bz2
mips: annotate implicit fall throughs
There is a plan to build the kernel with -Wimplicit-fallthrough and these places in the code produced warnings. Fix them up. This patch produces no change in behaviour, but should be reviewed in case these are actually bugs not intentional fallthoughs. Signed-off-by: Mathieu Malaterre <malat@debian.org> Signed-off-by: Paul Burton <paul.burton@mips.com> Cc: Kees Cook <keescook@google.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: James Hogan <jhogan@kernel.org> Cc: linux-mips@vger.kernel.org Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/c-r4k.c2
-rw-r--r--arch/mips/mm/tlbex.c1
2 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 96d666a0f4a0..d0b64df51eb2 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -1280,6 +1280,7 @@ static void probe_pcache(void)
case CPU_VR4133:
write_c0_config(config & ~VR41_CONF_P4K);
+ /* fall through */
case CPU_VR4131:
/* Workaround for cache instruction bug of VR4131 */
if (c->processor_id == 0x0c80U || c->processor_id == 0x0c81U ||
@@ -1527,6 +1528,7 @@ static void probe_pcache(void)
c->dcache.flags |= MIPS_CACHE_PINDEX;
break;
}
+ /* fall through */
default:
if (has_74k_erratum || c->dcache.waysize > PAGE_SIZE)
c->dcache.flags |= MIPS_CACHE_ALIASES;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 067714291643..37b1cb246332 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -576,6 +576,7 @@ void build_tlb_write_entry(u32 **p, struct uasm_label **l,
case CPU_R5500:
if (m4kc_tlbp_war())
uasm_i_nop(p);
+ /* fall through */
case CPU_ALCHEMY:
tlbw(p);
break;