Re: [PATCH net] net: enetc: safely reinitialize TX BD ring when it has unsent frames

[Frank Li <Frank.Li@nxp.com>]

From: Frank Li (AI-BOT) <frank.li@nxp.com>

> diff --git a/drivers/net/ethernet/freescale/enetc/enetc4_hw.h b/drivers/net/ethernet/freescale/enetc/enetc4_hw.h
> index 3ed0f7a02767..1ce6551e186c 100644
> --- a/drivers/net/ethernet/freescale/enetc/enetc4_hw.h
> +++ b/drivers/net/ethernet/freescale/enetc/enetc4_hw.h
> @@ -134,6 +134,12 @@
>
>  /* Port operational register */
>  #define ENETC4_POR			0x4100
> +#define  POR_TXDIS			BIT(0)
> +#define  POR_RXDIS			BIT(1)
> +
> +/* Port status register */
> +#define ENETC4_PSR			0x4100
> +#define  PSR_RX_BUSY			BIT(1)

AI: ENETC4_PSR and ENETC4_POR both defined as 0x4100. Likely a typo; check
the hardware spec for the correct offset of ENETC4_PSR.

> +	while (!(enetc_port_rd(&si->hw, ENETC4_PM_IEVENT(mac)) &
> +		 PM_IEVENT_RX_EMPTY)) {
> +		if (timeout >= 100) {
> +			dev_warn(&si->pdev->dev,
> +				 "MAC %d RX is not empty\n", mac);
> +			break;
> +		};

AI: Stray semicolon after closing brace; remove it.

Frank