From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Dylan Hung <dylan_hung@aspeedtech.com>,
davem@davemloft.net, kuba@kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, ratbert@faraday-tech.com,
linux-aspeed@lists.ozlabs.org, openbmc@lists.ozlabs.org
Cc: BMC-SW@aspeedtech.com
Subject: Re: [PATCH 4/4] ftgmac100: Restart MAC HW once
Date: Tue, 20 Oct 2020 10:26:17 +1100 [thread overview]
Message-ID: <fee066de5355c015da4e30957a1d8b8b5da1ef4d.camel@kernel.crashing.org> (raw)
In-Reply-To: <20201019085717.32413-5-dylan_hung@aspeedtech.com>
On Mon, 2020-10-19 at 16:57 +0800, Dylan Hung wrote:
> The interrupt handler may set the flag to reset the mac in the
> future,
> but that flag is not cleared once the reset has occured.
>
> Fixes: 10cbd6407609 ("ftgmac100: Rework NAPI & interrupts handling")
> Signed-off-by: Dylan Hung <dylan_hung@aspeedtech.com>
> Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> ---
> drivers/net/ethernet/faraday/ftgmac100.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/net/ethernet/faraday/ftgmac100.c
> b/drivers/net/ethernet/faraday/ftgmac100.c
> index 0c67fc3e27df..57736b049de3 100644
> --- a/drivers/net/ethernet/faraday/ftgmac100.c
> +++ b/drivers/net/ethernet/faraday/ftgmac100.c
> @@ -1326,6 +1326,7 @@ static int ftgmac100_poll(struct napi_struct
> *napi, int budget)
> */
> if (unlikely(priv->need_mac_restart)) {
> ftgmac100_start_hw(priv);
> + priv->need_mac_restart = false;
>
> /* Re-enable "bad" interrupts */
> ftgmac100_write(FTGMAC100_INT_BAD, priv->base +
> FTGMAC100_OFFSET_IER);
next prev parent reply other threads:[~2020-10-19 23:29 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-19 8:57 [PATCH 0/4] fix ftgmac100 issues on aspeed soc Dylan Hung
2020-10-19 8:57 ` [PATCH 1/4] ftgmac100: Fix race issue on TX descriptor[0] Dylan Hung
2020-10-19 23:19 ` Benjamin Herrenschmidt
2020-10-20 4:13 ` Joel Stanley
2020-10-20 6:23 ` Benjamin Herrenschmidt
2020-10-20 7:13 ` Joel Stanley
2020-10-19 8:57 ` [PATCH 2/4] ftgmac100: Fix missing-poll issue Dylan Hung
2020-10-19 8:57 ` [PATCH 3/4] ftgmac100: Add a dummy read to ensure running sequence Dylan Hung
2020-10-19 23:25 ` Benjamin Herrenschmidt
2020-10-19 8:57 ` [PATCH 4/4] ftgmac100: Restart MAC HW once Dylan Hung
2020-10-19 23:26 ` Benjamin Herrenschmidt [this message]
2020-10-20 4:14 ` Joel Stanley
2021-03-12 0:26 ` Joel Stanley
2021-03-12 0:28 ` David Miller
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