Update hisilicon drivers 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: I67984b6c48c08af61e95a4dbd18047e2c3151f9a
Signed-off-by: Justin Chadwell <justin.chadwell@arm.com>
diff --git a/plat/hisilicon/hikey960/include/hi3660.h b/plat/hisilicon/hikey960/include/hi3660.h
index 5b9305a..7cc1ee0 100644
--- a/plat/hisilicon/hikey960/include/hi3660.h
+++ b/plat/hisilicon/hikey960/include/hi3660.h
@@ -67,7 +67,7 @@
#define SCTRL_SCPERDIS1_REG (SCTRL_REG_BASE + 0x174)
#define SCTRL_SCPEREN1_REG (SCTRL_REG_BASE + 0x170)
#define SCTRL_SCPERDIS1_REG (SCTRL_REG_BASE + 0x174)
-#define SCPEREN1_WAIT_DDR_SELFREFRESH_DONE_BYPASS (1 << 31)
+#define SCPEREN1_WAIT_DDR_SELFREFRESH_DONE_BYPASS (1u << 31)
#define SCPEREN_GT_PCLK_MMBUFCFG (1 << 25)
#define SCPEREN_GT_PCLK_MMBUF (1 << 23)
#define SCPEREN_GT_ACLK_MMBUF (1 << 22)