Update renesas platform to not rely on undefined overflow behaviour
This consists of ensuring that the left operand of each shift is
unsigned when the operation might overflow into the sign bit.
Change-Id: I51278beacbe6da79853c3f0f0f94cd806fc9652c
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>
diff --git a/drivers/renesas/rcar/pwrc/pwrc.h b/drivers/renesas/rcar/pwrc/pwrc.h
index cfb35ff..e67c6ef 100644
--- a/drivers/renesas/rcar/pwrc/pwrc.h
+++ b/drivers/renesas/rcar/pwrc/pwrc.h
@@ -15,7 +15,7 @@
#define PWKUPR_WEN (1ull << 31)
-#define PSYSR_AFF_L2 (1 << 31)
+#define PSYSR_AFF_L2 (1U << 31)
#define PSYSR_AFF_L1 (1 << 30)
#define PSYSR_AFF_L0 (1 << 29)
#define PSYSR_WEN (1 << 28)