netdev - Re: [PATCH] net: ethernet: mediatek: Add MT7628/88 SoC support

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Date:   Fri, 19 Jul 2019 13:52:41 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Stefan Roese <sr@...x.de>
Cc:     kbuild-all@...org, netdev@...r.kernel.org,
        linux-mediatek@...ts.infradead.org,
        René van Dorst <opensource@...rst.com>,
        Sean Wang <sean.wang@...iatek.com>,
        Felix Fietkau <nbd@...nwrt.org>,
        John Crispin <john@...ozen.org>
Subject: Re: [PATCH] net: ethernet: mediatek: Add MT7628/88 SoC support

Hi Stefan,

I love your patch! Perhaps something to improve:

[auto build test WARNING on linus/master]
[also build test WARNING on next-20190718]
[cannot apply to v5.2]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Stefan-Roese/net-ethernet-mediatek-Add-MT7628-88-SoC-support/20190719-020931
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=arm64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):


vim +649 drivers/net//ethernet/mediatek/mtk_eth_soc.c

   646	
   647	static int txd_to_idx(struct mtk_tx_ring *ring, struct mtk_tx_dma *dma)
   648	{
 > 649		return ((u32)dma - (u32)ring->dma) / sizeof(*dma);
   650	}
   651	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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