Commit ff4b325f authored by Jean-Christophe Dubois's avatar Jean-Christophe Dubois Committed by Jason Wang
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i.MX: reset TX/RX descriptors when FEC is disabled.



According to the FEC chapter of i.MX25 reference manual

RX adn TX descriptors are reseted when the FEC device is disabled through ECR.

Signed-off-by: default avatarJean-Christophe Dubois <jcd@tribudubois.net>
Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
parent ccdb81d3
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Original line number Diff line number Diff line
@@ -454,6 +454,8 @@ static void imx_fec_write(void *opaque, hwaddr addr,
        }
        if ((s->ecr & FEC_EN) == 0) {
            s->rx_enabled = 0;
            s->rx_descriptor = s->erdsr;
            s->tx_descriptor = s->etdsr;
        }
        break;
    case 0x040: /* MMFR */