Re: [PATCH v13 net-next 13/15] net: mvpp2: add PPv23 RX FIFO flow control

From: Russell King - ARM Linux admin
Date: Thu Feb 11 2021 - 08:18:11 EST


On Thu, Feb 11, 2021 at 12:49:00PM +0200, stefanc@xxxxxxxxxxx wrote:
> +/* Configure Rx FIFO Flow control thresholds */
> +void mvpp23_rx_fifo_fc_en(struct mvpp2 *priv, int port, bool en)
> +{
> + int val;

u32 ?

> +
> + val = mvpp2_read(priv, MVPP2_RX_FC_REG(port));
> +
> + if (en)
> + val |= MVPP2_RX_FC_EN;
> + else
> + val &= ~MVPP2_RX_FC_EN;
> +
> + mvpp2_write(priv, MVPP2_RX_FC_REG(port), val);

if (en)
val = MVPP2_RX_FC_EN;
else
val = 0;

mvpp2_modify(priv + MVPP2_RX_FC_REG(port), MVPP2_RX_FC_EN, val);

?

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