e1000e: use BIT() macro for bit defines
This prevents signed bitshift issues when the shift would overwrite the
signed bit, and prevents making this mistake in the future when copying
and modifying code.
Use GENMASK or the unsigned postfix for cases which aren't suitable for
BIT() macro.
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index 52eb641..010e6d6 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -109,18 +109,18 @@
#define E1000_TXDCTL_DMA_BURST_ENABLE \
(E1000_TXDCTL_GRAN | /* set descriptor granularity */ \
E1000_TXDCTL_COUNT_DESC | \
- (1 << 16) | /* wthresh must be +1 more than desired */\
- (1 << 8) | /* hthresh */ \
- 0x1f) /* pthresh */
+ (1u << 16) | /* wthresh must be +1 more than desired */\
+ (1u << 8) | /* hthresh */ \
+ 0x1f) /* pthresh */
#define E1000_RXDCTL_DMA_BURST_ENABLE \
(0x01000000 | /* set descriptor granularity */ \
- (4 << 16) | /* set writeback threshold */ \
- (4 << 8) | /* set prefetch threshold */ \
+ (4u << 16) | /* set writeback threshold */ \
+ (4u << 8) | /* set prefetch threshold */ \
0x20) /* set hthresh */
-#define E1000_TIDV_FPD (1 << 31)
-#define E1000_RDTR_FPD (1 << 31)
+#define E1000_TIDV_FPD BIT(31)
+#define E1000_RDTR_FPD BIT(31)
enum e1000_boards {
board_82571,
@@ -404,53 +404,53 @@
#define E1000_82574_SYSTIM_EPSILON (1ULL << 35ULL)
/* hardware capability, feature, and workaround flags */
-#define FLAG_HAS_AMT (1 << 0)
-#define FLAG_HAS_FLASH (1 << 1)
-#define FLAG_HAS_HW_VLAN_FILTER (1 << 2)
-#define FLAG_HAS_WOL (1 << 3)
-/* reserved bit4 */
-#define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5)
-#define FLAG_HAS_SWSM_ON_LOAD (1 << 6)
-#define FLAG_HAS_JUMBO_FRAMES (1 << 7)
-#define FLAG_READ_ONLY_NVM (1 << 8)
-#define FLAG_IS_ICH (1 << 9)
-#define FLAG_HAS_MSIX (1 << 10)
-#define FLAG_HAS_SMART_POWER_DOWN (1 << 11)
-#define FLAG_IS_QUAD_PORT_A (1 << 12)
-#define FLAG_IS_QUAD_PORT (1 << 13)
-#define FLAG_HAS_HW_TIMESTAMP (1 << 14)
-#define FLAG_APME_IN_WUC (1 << 15)
-#define FLAG_APME_IN_CTRL3 (1 << 16)
-#define FLAG_APME_CHECK_PORT_B (1 << 17)
-#define FLAG_DISABLE_FC_PAUSE_TIME (1 << 18)
-#define FLAG_NO_WAKE_UCAST (1 << 19)
-#define FLAG_MNG_PT_ENABLED (1 << 20)
-#define FLAG_RESET_OVERWRITES_LAA (1 << 21)
-#define FLAG_TARC_SPEED_MODE_BIT (1 << 22)
-#define FLAG_TARC_SET_BIT_ZERO (1 << 23)
-#define FLAG_RX_NEEDS_RESTART (1 << 24)
-#define FLAG_LSC_GIG_SPEED_DROP (1 << 25)
-#define FLAG_SMART_POWER_DOWN (1 << 26)
-#define FLAG_MSI_ENABLED (1 << 27)
-/* reserved (1 << 28) */
-#define FLAG_TSO_FORCE (1 << 29)
-#define FLAG_RESTART_NOW (1 << 30)
-#define FLAG_MSI_TEST_FAILED (1 << 31)
+#define FLAG_HAS_AMT BIT(0)
+#define FLAG_HAS_FLASH BIT(1)
+#define FLAG_HAS_HW_VLAN_FILTER BIT(2)
+#define FLAG_HAS_WOL BIT(3)
+/* reserved BIT(4) */
+#define FLAG_HAS_CTRLEXT_ON_LOAD BIT(5)
+#define FLAG_HAS_SWSM_ON_LOAD BIT(6)
+#define FLAG_HAS_JUMBO_FRAMES BIT(7)
+#define FLAG_READ_ONLY_NVM BIT(8)
+#define FLAG_IS_ICH BIT(9)
+#define FLAG_HAS_MSIX BIT(10)
+#define FLAG_HAS_SMART_POWER_DOWN BIT(11)
+#define FLAG_IS_QUAD_PORT_A BIT(12)
+#define FLAG_IS_QUAD_PORT BIT(13)
+#define FLAG_HAS_HW_TIMESTAMP BIT(14)
+#define FLAG_APME_IN_WUC BIT(15)
+#define FLAG_APME_IN_CTRL3 BIT(16)
+#define FLAG_APME_CHECK_PORT_B BIT(17)
+#define FLAG_DISABLE_FC_PAUSE_TIME BIT(18)
+#define FLAG_NO_WAKE_UCAST BIT(19)
+#define FLAG_MNG_PT_ENABLED BIT(20)
+#define FLAG_RESET_OVERWRITES_LAA BIT(21)
+#define FLAG_TARC_SPEED_MODE_BIT BIT(22)
+#define FLAG_TARC_SET_BIT_ZERO BIT(23)
+#define FLAG_RX_NEEDS_RESTART BIT(24)
+#define FLAG_LSC_GIG_SPEED_DROP BIT(25)
+#define FLAG_SMART_POWER_DOWN BIT(26)
+#define FLAG_MSI_ENABLED BIT(27)
+/* reserved BIT(28) */
+#define FLAG_TSO_FORCE BIT(29)
+#define FLAG_RESTART_NOW BIT(30)
+#define FLAG_MSI_TEST_FAILED BIT(31)
-#define FLAG2_CRC_STRIPPING (1 << 0)
-#define FLAG2_HAS_PHY_WAKEUP (1 << 1)
-#define FLAG2_IS_DISCARDING (1 << 2)
-#define FLAG2_DISABLE_ASPM_L1 (1 << 3)
-#define FLAG2_HAS_PHY_STATS (1 << 4)
-#define FLAG2_HAS_EEE (1 << 5)
-#define FLAG2_DMA_BURST (1 << 6)
-#define FLAG2_DISABLE_ASPM_L0S (1 << 7)
-#define FLAG2_DISABLE_AIM (1 << 8)
-#define FLAG2_CHECK_PHY_HANG (1 << 9)
-#define FLAG2_NO_DISABLE_RX (1 << 10)
-#define FLAG2_PCIM2PCI_ARBITER_WA (1 << 11)
-#define FLAG2_DFLT_CRC_STRIPPING (1 << 12)
-#define FLAG2_CHECK_RX_HWTSTAMP (1 << 13)
+#define FLAG2_CRC_STRIPPING BIT(0)
+#define FLAG2_HAS_PHY_WAKEUP BIT(1)
+#define FLAG2_IS_DISCARDING BIT(2)
+#define FLAG2_DISABLE_ASPM_L1 BIT(3)
+#define FLAG2_HAS_PHY_STATS BIT(4)
+#define FLAG2_HAS_EEE BIT(5)
+#define FLAG2_DMA_BURST BIT(6)
+#define FLAG2_DISABLE_ASPM_L0S BIT(7)
+#define FLAG2_DISABLE_AIM BIT(8)
+#define FLAG2_CHECK_PHY_HANG BIT(9)
+#define FLAG2_NO_DISABLE_RX BIT(10)
+#define FLAG2_PCIM2PCI_ARBITER_WA BIT(11)
+#define FLAG2_DFLT_CRC_STRIPPING BIT(12)
+#define FLAG2_CHECK_RX_HWTSTAMP BIT(13)
#define E1000_RX_DESC_PS(R, i) \
(&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))