mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-23 07:22:33 +00:00
4ae2f43b3a
* fix switch ports with modes other than 1000M/Full * set 32-bit dma_coherent_mask to get PPE to work with 4 GiB of RAM * sync driver for built-in 1GE PHY with MediaTek SDK sources Signed-off-by: Daniel Golle <daniel@makrotopia.org>
47 lines
1.8 KiB
Diff
47 lines
1.8 KiB
Diff
From dee3f591103910c8d8b2a6d57879ccd2a4be4b10 Mon Sep 17 00:00:00 2001
|
|
Message-ID: <dee3f591103910c8d8b2a6d57879ccd2a4be4b10.1706067287.git.daniel@makrotopia.org>
|
|
From: Daniel Golle <daniel@makrotopia.org>
|
|
Date: Wed, 24 Jan 2024 03:19:49 +0000
|
|
Subject: [PATCH net] net: ethernet: mtk_eth_soc: set coherent mask to get PPE
|
|
working
|
|
To: Felix Fietkau <nbd@nbd.name>,
|
|
Sean Wang <sean.wang@mediatek.com>,
|
|
Mark Lee <Mark-MC.Lee@mediatek.com>,
|
|
Lorenzo Bianconi <lorenzo@kernel.org>,
|
|
David S. Miller <davem@davemloft.net>,
|
|
Eric Dumazet <edumazet@google.com>,
|
|
Jakub Kicinski <kuba@kernel.org>,
|
|
Paolo Abeni <pabeni@redhat.com>,
|
|
Matthias Brugger <matthias.bgg@gmail.com>,
|
|
AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>,
|
|
Daniel Golle <daniel@makrotopia.org>,
|
|
netdev@vger.kernel.org,
|
|
linux-kernel@vger.kernel.org,
|
|
linux-arm-kernel@lists.infradead.org,
|
|
linux-mediatek@lists.infradead.org
|
|
|
|
Set DMA coherent mask to 32-bit which makes PPE offloading engine start
|
|
working on BPi-R4 which got 4 GiB of RAM.
|
|
|
|
Fixes: 2d75891ebc09 ("net: ethernet: mtk_eth_soc: support 36-bit DMA addressing on MT7988")
|
|
Suggested-by: Elad Yifee <eladwf@users.github.com>
|
|
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
|
|
---
|
|
drivers/net/ethernet/mediatek/mtk_eth_soc.c | 5 ++++-
|
|
1 file changed, 4 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
|
|
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
|
|
@@ -4886,7 +4886,10 @@ static int mtk_probe(struct platform_dev
|
|
}
|
|
|
|
if (MTK_HAS_CAPS(eth->soc->caps, MTK_36BIT_DMA)) {
|
|
- err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(36));
|
|
+ err = dma_set_mask(&pdev->dev, DMA_BIT_MASK(36));
|
|
+ if (!err)
|
|
+ err = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
|
|
+
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Wrong DMA config\n");
|
|
return -EINVAL;
|