net: aquantia: Change confusing no_ff_addr to more meaningful name

The address to check if HW is not dead/hang could be stored in
capabilities, since it is a constant. Change its name to better reflect
the idea.
Signed-off-by: Igor Russkikh <igor.russkikh@aquantia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/aquantia/atlantic/aq_hw.h

@@ -31,6 +31,7 @@ struct aq_hw_caps_s {
 	u32 vecs;
 	u32 mtu;
 	u32 mac_regs_count;
+	u32 hw_alive_check_addr;
 	u8 msix_irqs;
 	u8 tcs;
 	u8 rxd_alignment;
@@ -102,7 +103,6 @@ struct aq_hw_s {
 	atomic_t flags;
 	struct aq_nic_cfg_s *aq_nic_cfg;
 	void __iomem *mmio;
-	unsigned int not_ff_addr;
 	struct aq_hw_link_status_s aq_link_status;
 	struct hw_aq_atl_utils_mbox mbox;
 	struct hw_atl_stats_s last_stats;

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

@@ -13,6 +13,7 @@
 
 #include "aq_hw_utils.h"
 #include "aq_hw.h"
+#include "aq_nic.h"
 
 void aq_hw_write_reg_bit(struct aq_hw_s *aq_hw, u32 addr, u32 msk,
 			 u32 shift, u32 val)
@@ -39,7 +40,9 @@ 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->not_ff_addr))
+	if ((~0U) == value &&
+	    (~0U) == readl(hw->mmio +
+			   hw->aq_nic_cfg->aq_hw_caps->hw_alive_check_addr))
 		aq_utils_obj_set(&hw->flags, AQ_HW_FLAG_ERR_UNPLUG);
 
 	return value;

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c

@@ -41,7 +41,8 @@
 	.hw_priv_flags = IFF_UNICAST_FLT, \
 	.flow_control = true, \
 	.mtu = HW_ATL_A0_MTU_JUMBO, \
-	.mac_regs_count = 88
+	.mac_regs_count = 88, \
+	.hw_alive_check_addr = 0x10U
 
 const struct aq_hw_caps_s hw_atl_a0_caps_aqc100 = {
 	DEFAULT_A0_BOARD_BASIC_CAPABILITIES,

drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c

@@ -43,7 +43,8 @@
 	.hw_priv_flags = IFF_UNICAST_FLT,   \
 	.flow_control = true,		\
 	.mtu = HW_ATL_B0_MTU_JUMBO,	\
-	.mac_regs_count = 88
+	.mac_regs_count = 88,		\
+	.hw_alive_check_addr = 0x10U
 
 const struct aq_hw_caps_s hw_atl_b0_caps_aqc100 = {
 	DEFAULT_B0_BOARD_BASIC_CAPABILITIES,