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-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac.h1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c33
2 files changed, 16 insertions, 18 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac.h b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
index c602ace572b2..3395188c198a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac.h
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac.h
@@ -282,7 +282,6 @@ struct stmmac_priv {
struct stmmac_channel channel[STMMAC_CH_MAX];
int speed;
- unsigned int flow_ctrl;
unsigned int pause_time;
struct mii_bus *mii;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c3a13bd8c9b3..4d542f482ecb 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -88,9 +88,9 @@ MODULE_PARM_DESC(phyaddr, "Physical device address");
#define STMMAC_XDP_TX BIT(1)
#define STMMAC_XDP_REDIRECT BIT(2)
-static int flow_ctrl = FLOW_AUTO;
+static int flow_ctrl = 0xdead;
module_param(flow_ctrl, int, 0644);
-MODULE_PARM_DESC(flow_ctrl, "Flow control ability [on/off]");
+MODULE_PARM_DESC(flow_ctrl, "Flow control ability [on/off] (obsolete)");
static int pause = PAUSE_TIME;
module_param(pause, int, 0644);
@@ -188,12 +188,11 @@ static void stmmac_verify_args(void)
watchdog = TX_TIMEO;
if (unlikely((buf_sz < DEFAULT_BUFSIZE) || (buf_sz > BUF_SIZE_16KiB)))
buf_sz = DEFAULT_BUFSIZE;
- if (unlikely(flow_ctrl > 1))
- flow_ctrl = FLOW_AUTO;
- else if (likely(flow_ctrl < 0))
- flow_ctrl = FLOW_OFF;
if (unlikely((pause < 0) || (pause > 0xffff)))
pause = PAUSE_TIME;
+
+ if (flow_ctrl != 0xdead)
+ pr_warn("stmmac: module parameter 'flow_ctrl' is obsolete - please remove from your module configuration\n");
}
static void __stmmac_disable_all_queues(struct stmmac_priv *priv)
@@ -858,14 +857,16 @@ static void stmmac_release_ptp(struct stmmac_priv *priv)
* stmmac_mac_flow_ctrl - Configure flow control in all queues
* @priv: driver private structure
* @duplex: duplex passed to the next function
+ * @flow_ctrl: desired flow control modes
* Description: It is used for configuring the flow control in all queues
*/
-static void stmmac_mac_flow_ctrl(struct stmmac_priv *priv, u32 duplex)
+static void stmmac_mac_flow_ctrl(struct stmmac_priv *priv, u32 duplex,
+ unsigned int flow_ctrl)
{
u32 tx_cnt = priv->plat->tx_queues_to_use;
- stmmac_flow_ctrl(priv, priv->hw, duplex, priv->flow_ctrl,
- priv->pause_time, tx_cnt);
+ stmmac_flow_ctrl(priv, priv->hw, duplex, flow_ctrl, priv->pause_time,
+ tx_cnt);
}
static unsigned long stmmac_mac_get_caps(struct phylink_config *config,
@@ -925,6 +926,7 @@ static void stmmac_mac_link_up(struct phylink_config *config,
bool tx_pause, bool rx_pause)
{
struct stmmac_priv *priv = netdev_priv(to_net_dev(config->dev));
+ unsigned int flow_ctrl;
u32 old_ctrl, ctrl;
if ((priv->plat->flags & STMMAC_FLAG_SERDES_UP_AFTER_PHY_LINKUP) &&
@@ -1005,15 +1007,15 @@ static void stmmac_mac_link_up(struct phylink_config *config,
/* Flow Control operation */
if (rx_pause && tx_pause)
- priv->flow_ctrl = FLOW_AUTO;
+ flow_ctrl = FLOW_AUTO;
else if (rx_pause && !tx_pause)
- priv->flow_ctrl = FLOW_RX;
+ flow_ctrl = FLOW_RX;
else if (!rx_pause && tx_pause)
- priv->flow_ctrl = FLOW_TX;
+ flow_ctrl = FLOW_TX;
else
- priv->flow_ctrl = FLOW_OFF;
+ flow_ctrl = FLOW_OFF;
- stmmac_mac_flow_ctrl(priv, duplex);
+ stmmac_mac_flow_ctrl(priv, duplex, flow_ctrl);
if (ctrl != old_ctrl)
writel(ctrl, priv->ioaddr + MAC_CTRL_REG);
@@ -7600,9 +7602,6 @@ int stmmac_dvr_probe(struct device *device,
"%s: warning: maxmtu having invalid value (%d)\n",
__func__, priv->plat->maxmtu);
- if (flow_ctrl)
- priv->flow_ctrl = FLOW_AUTO; /* RX/TX pause on */
-
ndev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
/* Setup channels NAPI */