bnx2x: Change value comparison order
authorYaniv Rosner <yanivr@broadcom.com>
Mon, 28 Nov 2011 00:49:53 +0000 (00:49 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 29 Nov 2011 00:02:25 +0000 (19:02 -0500)
Change comparison order such that the variable will come before the compared value.

Signed-off-by: Yaniv Rosner <yanivr@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c

index d745054..4df9505 100644 (file)
@@ -466,7 +466,7 @@ static u32 bnx2x_ets_get_min_w_val_nig(const struct link_vars *vars)
        u32 min_w_val = 0;
        /* Calculate min_w_val.*/
        if (vars->link_up) {
-               if (SPEED_20000 == vars->line_speed)
+               if (vars->line_speed == SPEED_20000)
                        min_w_val = ETS_E3B0_NIG_MIN_W_VAL_20GBPS;
                else
                        min_w_val = ETS_E3B0_NIG_MIN_W_VAL_UP_TO_10GBPS;
@@ -516,7 +516,7 @@ static void bnx2x_ets_e3b0_set_credit_upper_bound_nig(
        REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_UPPER_BOUND_5 :
                   NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_5, credit_upper_bound);
 
-       if (0 == port) {
+       if (!port) {
                REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_6,
                        credit_upper_bound);
                REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_UPPER_BOUND_7,
@@ -610,7 +610,7 @@ static void bnx2x_ets_e3b0_nig_disabled(const struct link_params *params,
                   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_4, 0x0);
        REG_WR(bp, (port) ? NIG_REG_P1_TX_ARB_CREDIT_WEIGHT_5 :
                   NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_5, 0x0);
-       if (0 == port) {
+       if (!port) {
                REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_6, 0x0);
                REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_7, 0x0);
                REG_WR(bp, NIG_REG_P0_TX_ARB_CREDIT_WEIGHT_8, 0x0);
@@ -638,7 +638,7 @@ static void bnx2x_ets_e3b0_set_credit_upper_bound_pbf(
        * In 2 port mode port0 has COS0-5 that can be used for WFQ.In 4
        * port mode port1 has COS0-2 that can be used for WFQ.
        */
-       if (0 == port) {
+       if (!port) {
                base_upper_bound = PBF_REG_COS0_UPPER_BOUND_P0;
                max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
        } else {
@@ -700,7 +700,7 @@ static void bnx2x_ets_e3b0_pbf_disabled(const struct link_params *params)
        * In 2 port mode port0 has COS0-5 that can be used for WFQ.
        * In 4 port mode port1 has COS0-2 that can be used for WFQ.
        */
-       if (0 == port) {
+       if (!port) {
                base_weight = PBF_REG_COS0_WEIGHT_P0;
                max_cos = DCBX_E3B0_MAX_NUM_COS_PORT0;
        } else {
@@ -883,7 +883,7 @@ static int bnx2x_ets_e3b0_get_total_bw(
 
        /* Calculate total BW requested */
        for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) {
-               if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) {
+               if (ets_params->cos[cos_idx].state == bnx2x_cos_state_bw) {
                        is_bw_cos_exist = 1;
                        if (!ets_params->cos[cos_idx].params.bw_params.bw) {
                                DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW"
@@ -901,8 +901,8 @@ static int bnx2x_ets_e3b0_get_total_bw(
        }
 
        /* Check total BW is valid */
-       if ((1 == is_bw_cos_exist) && (100 != *total_bw)) {
-               if (0 == *total_bw) {
+       if ((is_bw_cos_exist == 1) && (*total_bw != 100)) {
+               if (*total_bw == 0) {
                        DP(NETIF_MSG_LINK,
                           "bnx2x_ets_E3B0_config total BW shouldn't be 0\n");
                        return -EINVAL;
@@ -943,7 +943,7 @@ static int bnx2x_ets_e3b0_sp_pri_to_cos_set(const struct link_params *params,
        const u8 max_num_of_cos = (port) ? DCBX_E3B0_MAX_NUM_COS_PORT1 :
                DCBX_E3B0_MAX_NUM_COS_PORT0;
 
-       if (DCBX_INVALID_COS != sp_pri_to_cos[pri]) {
+       if (sp_pri_to_cos[pri] != DCBX_INVALID_COS) {
                DP(NETIF_MSG_LINK, "bnx2x_ets_e3b0_sp_pri_to_cos_set invalid "
                                   "parameter There can't be two COS's with "
                                   "the same strict pri\n");
@@ -1034,8 +1034,8 @@ static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
 
        /* Set all the strict priority first */
        for (i = 0; i < max_num_of_cos; i++) {
-               if (DCBX_INVALID_COS != sp_pri_to_cos[i]) {
-                       if (DCBX_MAX_NUM_COS <= sp_pri_to_cos[i]) {
+               if (sp_pri_to_cos[i] != DCBX_INVALID_COS) {
+                       if (sp_pri_to_cos[i] >= DCBX_MAX_NUM_COS) {
                                DP(NETIF_MSG_LINK,
                                           "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
                                           "invalid cos entry\n");
@@ -1049,7 +1049,7 @@ static int bnx2x_ets_e3b0_sp_set_pri_cli_reg(const struct link_params *params,
                            sp_pri_to_cos[i], pri_set);
                        pri_bitmask = 1 << sp_pri_to_cos[i];
                        /* COS is used remove it from bitmap.*/
-                       if (0 == (pri_bitmask & cos_bit_to_set)) {
+                       if (!(pri_bitmask & cos_bit_to_set)) {
                                DP(NETIF_MSG_LINK,
                                        "bnx2x_ets_e3b0_sp_set_pri_cli_reg "
                                        "invalid There can't be two COS's with"
@@ -1144,7 +1144,7 @@ int bnx2x_ets_e3b0_config(const struct link_params *params,
        /* Prepare BW parameters*/
        bnx2x_status = bnx2x_ets_e3b0_get_total_bw(params, ets_params,
                                                   &total_bw);
-       if (0 != bnx2x_status) {
+       if (bnx2x_status) {
                DP(NETIF_MSG_LINK,
                   "bnx2x_ets_E3B0_config get_total_bw failed\n");
                return -EINVAL;
@@ -1185,7 +1185,7 @@ int bnx2x_ets_e3b0_config(const struct link_params *params,
                           "bnx2x_ets_e3b0_config cos state not valid\n");
                        return -EINVAL;
                }
-               if (0 != bnx2x_status) {
+               if (bnx2x_status) {
                        DP(NETIF_MSG_LINK,
                           "bnx2x_ets_e3b0_config set cos bw failed\n");
                        return bnx2x_status;
@@ -1196,7 +1196,7 @@ int bnx2x_ets_e3b0_config(const struct link_params *params,
        bnx2x_status = bnx2x_ets_e3b0_sp_set_pri_cli_reg(params,
                                                         sp_pri_to_cos);
 
-       if (0 != bnx2x_status) {
+       if (bnx2x_status) {
                DP(NETIF_MSG_LINK,
                   "bnx2x_ets_E3B0_config set_pri_cli_reg failed\n");
                return bnx2x_status;
@@ -1207,7 +1207,7 @@ int bnx2x_ets_e3b0_config(const struct link_params *params,
                                              cos_sp_bitmap,
                                              cos_bw_bitmap);
 
-       if (0 != bnx2x_status) {
+       if (bnx2x_status) {
                DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config SP failed\n");
                return bnx2x_status;
        }
@@ -1271,9 +1271,9 @@ void bnx2x_ets_bw_limit(const struct link_params *params, const u32 cos0_bw,
 
        DP(NETIF_MSG_LINK, "ETS enabled BW limit configuration\n");
 
-       if ((0 == total_bw) ||
-           (0 == cos0_bw) ||
-           (0 == cos1_bw)) {
+       if ((!total_bw) ||
+           (!cos0_bw) ||
+           (!cos1_bw)) {
                DP(NETIF_MSG_LINK, "Total BW can't be zero\n");
                return;
        }
@@ -1329,7 +1329,7 @@ int bnx2x_ets_strict(const struct link_params *params, const u8 strict_cos)
         * dbg0-010     dbg1-001     cos1-100     cos0-011     MCP-000
         * dbg0-010     dbg1-001     cos0-011     cos1-100     MCP-000
         */
-       val = (0 == strict_cos) ? 0x2318 : 0x22E0;
+       val = (!strict_cos) ? 0x2318 : 0x22E0;
        REG_WR(bp, NIG_REG_P0_TX_ARB_PRIORITY_CLIENT, val);
 
        return 0;
@@ -1439,7 +1439,7 @@ void bnx2x_pfc_statistic(struct link_params *params, struct link_vars *vars,
        if (!vars->link_up)
                return;
 
-       if (MAC_TYPE_EMAC == vars->mac_type) {
+       if (vars->mac_type == MAC_TYPE_EMAC) {
                DP(NETIF_MSG_LINK, "About to read PFC stats from EMAC\n");
                bnx2x_emac_get_pfc_stat(params, pfc_frames_sent,
                                        pfc_frames_received);
@@ -2285,7 +2285,7 @@ static int bnx2x_update_pfc_brb(struct link_params *params,
        /* default - pause configuration */
        reg_th_config = &config_val.pauseable_th;
        bnx2x_status = bnx2x_pfc_brb_get_config_params(params, &config_val);
-       if (0 != bnx2x_status)
+       if (bnx2x_status)
                return bnx2x_status;
 
        if (pfc_enabled) {
@@ -2619,7 +2619,7 @@ int bnx2x_update_pfc(struct link_params *params,
 
        /* update BRB params */
        bnx2x_status = bnx2x_update_pfc_brb(params, vars, pfc_params);
-       if (0 != bnx2x_status)
+       if (bnx2x_status)
                return bnx2x_status;
 
        if (!vars->link_up)