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/hikey/include/hi6220_regs_peri.h b/plat/hisilicon/hikey/include/hi6220_regs_peri.h
index 8711ae4..77236e8 100644
--- a/plat/hisilicon/hikey/include/hi6220_regs_peri.h
+++ b/plat/hisilicon/hikey/include/hi6220_regs_peri.h
@@ -134,7 +134,7 @@
#define PERI_CTRL4_OTG_SESSEND (1 << 28)
#define PERI_CTRL4_OTG_BVALID (1 << 29)
#define PERI_CTRL4_OTG_AVALID (1 << 30)
-#define PERI_CTRL4_OTG_VBUSVALID (1 << 31)
+#define PERI_CTRL4_OTG_VBUSVALID (1U << 31)
/* PERI_SC_PERIPH_CTRL5 */
#define PERI_CTRL5_USBOTG_RES_SEL (1 << 3)