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-rw-r--r--drivers/sh/pfc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/sh/pfc.c b/drivers/sh/pfc.c
index 8a9ae09603d6..ce4579ebd602 100644
--- a/drivers/sh/pfc.c
+++ b/drivers/sh/pfc.c
@@ -549,6 +549,11 @@ int register_sh_pfc(struct sh_pfc *pfc)
int (*initroutine)(struct sh_pfc *) = NULL;
int ret;
+ /*
+ * Ensure that the type encoding fits
+ */
+ BUILD_BUG_ON(PINMUX_FLAG_TYPE > ((1 << PINMUX_FLAG_DBIT_SHIFT) - 1));
+
if (sh_pfc)
return -EBUSY;