Avoid undefined behavior by using unsigned int instead of int.

* 1 << 31, 2 << 30, 3 << 30 replaced by 1U << 31, 2U << 30 or 3U << 30.

src/add-ons/kernel/busses/scsi/ahci/ahci_defs.h

@@ -21,7 +21,7 @@ extern "C" {
 
 
 enum {
-	CAP_S64A		= (1 << 31),	// Supports 64-bit Addressing
+	CAP_S64A		= (1U << 31),	// Supports 64-bit Addressing
 	CAP_SNCQ		= (1 << 30),	// Supports Native Command Queuing
 	CAP_SSNTF		= (1 << 29),	// Supports SNotification Register
 	CAP_SMPS		= (1 << 28),	// Supports Mechanical Presence Switch
@@ -49,7 +49,7 @@ enum {
 
 
 enum {
-	GHC_AE			= (1 << 31),	// AHCI Enable
+	GHC_AE			= (1U << 31),	// AHCI Enable
 	GHC_MRSM		= (1 << 2),		// MSI Revert to Single Message
 	GHC_IE			= (1 << 1),		// Interrupt Enable
 	GHC_HR			= (1 << 0),		// HBA Reset **RW1**

src/add-ons/kernel/busses/usb/ehci_hardware.h

@@ -213,7 +213,7 @@ typedef struct ehci_qtd {
 } _PACKED ehci_qtd;
 
 
-#define EHCI_QTD_DATA_TOGGLE	(1 << 31)
+#define EHCI_QTD_DATA_TOGGLE	(1U << 31)
 #define EHCI_QTD_BYTES_SHIFT	16
 #define EHCI_QTD_BYTES_MASK		0x7fff
 #define EHCI_QTD_IOC			(1 << 15)
@@ -337,7 +337,7 @@ typedef struct {
 #define EHCI_QH_OL_NAK_SHIFT	1
 #define EHCI_QH_OL_NAK_MASK		0x0f
 #define EHCI_QH_OL_TOGGLE_INDEX	2			// Data Toggle
-#define EHCI_QH_OL_TOGGLE		(1 << 31)
+#define EHCI_QH_OL_TOGGLE		(1U << 31)
 #define EHCI_QH_OL_IOC_INDEX	2			// Interrupt on Complete
 #define EHCI_QH_OL_IOC			(1 << 15)
 #define EHCI_QH_OL_ERRC_INDEX	2			// Error Counter

src/add-ons/kernel/drivers/audio/hda/hda_controller_defs.h

@@ -34,11 +34,11 @@
 #define HDAC_STATE_STATUS				0x0e	// 16bits, STATESTS
 
 #define HDAC_INTR_CONTROL				0x20	// 32bits, INTCTL
-#define INTR_CONTROL_GLOBAL_ENABLE		(1 << 31)
+#define INTR_CONTROL_GLOBAL_ENABLE		(1U << 31)
 #define INTR_CONTROL_CONTROLLER_ENABLE	(1 << 30)
 
 #define HDAC_INTR_STATUS				0x24	// 32bits, INTSTS
-#define INTR_STATUS_GLOBAL				(1 << 31)
+#define INTR_STATUS_GLOBAL				(1U << 31)
 #define INTR_STATUS_CONTROLLER			(1 << 30)
 #define INTR_STATUS_STREAM_MASK			0x3fffffff
 

src/add-ons/media/media-add-ons/radeon/Radeon.h

@@ -238,7 +238,7 @@ enum radeon_register {
 		C_RADEON_CAP0_VBI_HORZ_DOWN				= BITS(31:30),
 			C_RADEON_CAP0_VBI_HORZ_DOWN_1X		= 0 << 30,
 			C_RADEON_CAP0_VBI_HORZ_DOWN_2X		= 1 << 30,
-			C_RADEON_CAP0_VBI_HORZ_DOWN_4X		= 2 << 30,
+			C_RADEON_CAP0_VBI_HORZ_DOWN_4X		= 2U << 30,
 
 	C_RADEON_CAP0_ANC0_OFFSET                   = 0x095C,
 	C_RADEON_CAP0_ANC1_OFFSET                   = 0x0960,

src/add-ons/media/media-add-ons/radeon/TheatreReg.h

@@ -917,8 +917,8 @@ enum theater_register {
 		VIN_REF_CLK_SEL				= BITS(31:30),	//   VIN reference source select
 			VIN_REF_CLK				= 0 << 30,		//     Reference clock
 			VIN_SEC_REF_CLK			= 1 << 30,		//     Secondary Reference Clock
-			VIN_L54_CLK				= 2 << 30,		//     L54 PLL Clock
-			VIN_SLIP_L54_CLK		= 3 << 30,		//     Slippable L54 PLL Clock
+			VIN_L54_CLK				= 2U << 30,		//     L54 PLL Clock
+			VIN_SLIP_L54_CLK		= 3U << 30,		//     Slippable L54 PLL Clock
 
 	VIP_VIN_PLL_FINE_CNTL			= 0x00d8,
 		VIN_M1						= BITS(10:0),