Re: [PATCH v2 net-next 4/9] net: dsa: microchip: add DSA support for microchip lan937x
From: Andrew Lunn
Date: Thu Apr 22 2021 - 19:33:01 EST
> +static void lan937x_r_mib_cnt(struct ksz_device *dev, int port, u16 addr,
> + u64 *cnt)
> +{
> + unsigned int val;
> + u32 data;
> + int ret;
> +
> + /* Enable MIB Counter read*/
> + data = MIB_COUNTER_READ;
> + data |= (addr << MIB_COUNTER_INDEX_S);
> + lan937x_pwrite32(dev, port, REG_PORT_MIB_CTRL_STAT__4, data);
> +
> + ret = regmap_read_poll_timeout(dev->regmap[2],
> + PORT_CTRL_ADDR(port,
> + REG_PORT_MIB_CTRL_STAT__4),
> + val, !(val & MIB_COUNTER_READ), 10, 1000);
> + /* failed to read MIB. get out of loop */
Another loop which is not a loop. Please review your comments and
check they make sense.
Andrew