From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jon Smirl Subject: [PATCH] Implement polling for 5200FEC to make netconsole work. Date: Sat, 18 Oct 2008 17:40:59 -0400 Message-ID: <20081018214059.1506.28013.stgit@terra> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit To: linuxppc-dev@ozlabs.org, netdev@vger.kernel.org Return-path: Received: from yx-out-2324.google.com ([74.125.44.28]:31615 "EHLO yx-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750986AbYJRVlC (ORCPT ); Sat, 18 Oct 2008 17:41:02 -0400 Received: by yx-out-2324.google.com with SMTP id 8so204995yxm.1 for ; Sat, 18 Oct 2008 14:41:00 -0700 (PDT) Sender: netdev-owner@vger.kernel.org List-ID: Implement polling for 5200FEC to make netconsole work. Tested on Phytec pcm030 and Efika. Signed-off-by: Jon Smirl --- drivers/net/fec_mpc52xx.c | 18 ++++++++++++++++++ 1 files changed, 18 insertions(+), 0 deletions(-) diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c index 4e4f683..aec3b97 100644 --- a/drivers/net/fec_mpc52xx.c +++ b/drivers/net/fec_mpc52xx.c @@ -401,6 +401,21 @@ static int mpc52xx_fec_hard_start_xmit(struct sk_buff *skb, struct net_device *d return 0; } +#ifdef CONFIG_NET_POLL_CONTROLLER +static void mpc52xx_fec_poll_controller(struct net_device *dev) +{ + struct mpc52xx_fec_priv *priv = netdev_priv(dev); + + disable_irq(priv->t_irq); + mpc52xx_fec_tx_interrupt(priv->t_irq, dev); + enable_irq(priv->t_irq); + disable_irq(priv->r_irq); + mpc52xx_fec_rx_interrupt(priv->r_irq, dev); + enable_irq(priv->r_irq); +} +#endif + + /* This handles BestComm transmit task interrupts */ static irqreturn_t mpc52xx_fec_tx_interrupt(int irq, void *dev_id) @@ -926,6 +941,9 @@ mpc52xx_fec_probe(struct of_device *op, const struct of_device_id *match) ndev->tx_timeout = mpc52xx_fec_tx_timeout; ndev->watchdog_timeo = FEC_WATCHDOG_TIMEOUT; ndev->base_addr = mem.start; +#ifdef CONFIG_NET_POLL_CONTROLLER + ndev->poll_controller = mpc52xx_fec_poll_controller; +#endif priv->t_irq = priv->r_irq = ndev->irq = NO_IRQ; /* IRQ are free for now */