Re: [RFC PATCH net-next v2 3/5] net: dsa: qca8k: serialize CPU MAC pause during MTU changes
From: Andrew Lunn <andrew@lunn.ch>
Date: 2026-09-22 20:58:43
mutex_init(&priv->reg_mutex); + mutex_init(&priv->port_status_mutex);
Why not use the existing reg_mutex?
int qca8k_port_change_mtu(struct dsa_switch *ds, int port, int new_mtu)
{
struct qca8k_priv *priv = ds->priv;
- int ret;
+ u32 mask = QCA8K_PORT_STATUS_TXMAC | QCA8K_PORT_STATUS_RXMAC;
+ u32 status[QCA8K_NUM_PORTS] = { 0 };
+ u32 ports;
+ u32 stopped = 0;
+ int ret, restore_ret, i;Reverse Christmas tree. Andrew