net: atlantic: use U32_MAX in aq_hw_utils.c

This patch replaces magic constant ~0U usage with U32_MAX in aq_hw_utils.c

Signed-off-by: Mark Starovoytov <mstarovoitov@marvell.com>
Signed-off-by: Igor Russkikh <irusskikh@marvell.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/aquantia/atlantic/aq_hw_utils.c

@@ -41,9 +41,8 @@ u32 aq_hw_read_reg(struct aq_hw_s *hw, u32 reg)
 {
 	u32 value = readl(hw->mmio + reg);
 
-	if ((~0U) == value &&
-	    (~0U) == readl(hw->mmio +
-			   hw->aq_nic_cfg->aq_hw_caps->hw_alive_check_addr))
+	if (value == U32_MAX &&
+	    readl(hw->mmio + hw->aq_nic_cfg->aq_hw_caps->hw_alive_check_addr) == U32_MAX)
 		aq_utils_obj_set(&hw->flags, AQ_HW_FLAG_ERR_UNPLUG);
 
 	return value;