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Date: Sat, 25 Jun 2016 19:35:03 +0000 From: Matt Corallo <linux@...ematt.me> To: linux-amlogic@...ts.infradead.org CC: Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...com>, netdev@...r.kernel.org, martin.blumenstingl@...glemail.com Subject: [PATCH] net: stmmac: Fix null-function call in ISR on stmmac1000 At least on Meson GXBB, the CORE_IRQ_MTL_RX_OVERFLOW interrupt is thrown with the stmmac1000 driver, which does not support set_rx_tail_ptr. With this patch and the clock fixes, 1G ethernet works on ODROID-C2. Signed-off-by: Matt Corallo <git@...ematt.me> --- drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index a473c18..e407126 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -2804,7 +2804,7 @@ static irqreturn_t stmmac_interrupt(int irq, void *dev_id) priv->tx_path_in_lpi_mode = true; if (status & CORE_IRQ_TX_PATH_EXIT_LPI_MODE) priv->tx_path_in_lpi_mode = false; - if (status & CORE_IRQ_MTL_RX_OVERFLOW) + if (status & CORE_IRQ_MTL_RX_OVERFLOW && priv->hw->dma->set_rx_tail_ptr) priv->hw->dma->set_rx_tail_ptr(priv->ioaddr, priv->rx_tail_addr, STMMAC_CHAN0); -- 2.1.4
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