From: Andrew Lunn <andrew@lunn.ch>
To: Jose Abreu <Jose.Abreu@synopsys.com>
Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Joao Pinto <Joao.Pinto@synopsys.com>,
"David S . Miller" <davem@davemloft.net>,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@st.com>
Subject: Re: [PATCH net-next 07/10] net: stmmac: Enable support for > 32 Bits addressing in XGMAC
Date: Wed, 26 Jun 2019 22:19:53 +0200 [thread overview]
Message-ID: <20190626201953.GI27733@lunn.ch> (raw)
In-Reply-To: <64b73591f981b3a280ea61d21a0dc7362a25348a.1561556556.git.joabreu@synopsys.com>
> +
> + if (priv->dma_cap.addr64) {
> + ret = dma_set_mask_and_coherent(device,
> + DMA_BIT_MASK(priv->dma_cap.addr64));
> + if (!ret)
> + dev_info(priv->device, "Using %d bits DMA width\n",
> + priv->dma_cap.addr64);
> + }
Hi Jose
If dma_set_mask_and_coherent() fails, i think you are supposed to fall
back to 32 bits. So you might want to clear priv->dma_cap.addr64.
But don't trust my, i could be wrong.
Andrew
next prev parent reply other threads:[~2019-06-26 20:20 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-06-26 13:47 [PATCH net-next 00/10] net: stmmac: 10GbE using XGMAC Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 01/10] net: stmmac: dwxgmac: Enable EDMA by default Jose Abreu
2019-06-26 16:33 ` David Miller
2019-06-26 13:47 ` [PATCH net-next 02/10] net: stmmac: Do not try to enable PHY EEE if MAC does not support it Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 03/10] net: stmmac: Decrease default RX Watchdog value Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 04/10] net: stmmac: dwxgmac: Fix the undefined burst setting Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 05/10] net: stmmac: Add the missing speeds that XGMAC supports Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 06/10] net: stmmac: Do not disable interrupts when cleaning TX Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 07/10] net: stmmac: Enable support for > 32 Bits addressing in XGMAC Jose Abreu
2019-06-26 20:19 ` Andrew Lunn [this message]
2019-06-27 7:54 ` Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 08/10] net: stmmac: Update RX Tail Pointer to last free entry Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 09/10] net: stmmac: Only disable interrupts if NAPI is scheduled Jose Abreu
2019-06-26 13:47 ` [PATCH net-next 10/10] net: stmmac: Try to get C45 PHY if everything else fails Jose Abreu
2019-06-26 20:01 ` Andrew Lunn
2019-06-27 7:54 ` Jose Abreu
2019-06-27 13:23 ` Andrew Lunn
2019-06-27 13:33 ` Jose Abreu
2019-06-27 14:03 ` Andrew Lunn
2019-06-28 7:27 ` Jose Abreu
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