Messages in this thread | | | Date | Fri, 11 Mar 2016 19:28:18 +0800 | From | kbuild test robot <> | Subject | Re: [PATCH 4/6] net: arc: trivial: cleanup the emac driver |
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Hi Caesar,
[auto build test WARNING on next-20160311] [also build test WARNING on v4.5-rc7] [cannot apply to rockchip/for-next net-next/master v4.5-rc7 v4.5-rc6 v4.5-rc5] [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
url: https://github.com/0day-ci/linux/commits/Caesar-Wang/net-arc_emac-make-the-rockchip-emac-document-more-compatible/20160311-190611 config: alpha-allyesconfig (attached as .config) reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=alpha
All warnings (new ones prefixed by >>):
drivers/net/ethernet/arc/emac_main.c: In function 'arc_emac_open': >> drivers/net/ethernet/arc/emac_main.c:468:7: warning: overflow in implicit constant conversion [-Woverflow] (RX_BD_NUM << 24) | /* RX BD table length */ ^
vim +468 drivers/net/ethernet/arc/emac_main.c
e4f2379d Alexey Brodkin 2013-06-24 452 /* Clean Tx BD's */ e4f2379d Alexey Brodkin 2013-06-24 453 memset(priv->txbd, 0, TX_RING_SZ); e4f2379d Alexey Brodkin 2013-06-24 454 e4f2379d Alexey Brodkin 2013-06-24 455 /* Initialize logical address filter */ e4f2379d Alexey Brodkin 2013-06-24 456 arc_reg_set(priv, R_LAFL, 0); e4f2379d Alexey Brodkin 2013-06-24 457 arc_reg_set(priv, R_LAFH, 0); e4f2379d Alexey Brodkin 2013-06-24 458 e4f2379d Alexey Brodkin 2013-06-24 459 /* Set BD ring pointers for device side */ e4f2379d Alexey Brodkin 2013-06-24 460 arc_reg_set(priv, R_RX_RING, (unsigned int)priv->rxbd_dma); e4f2379d Alexey Brodkin 2013-06-24 461 arc_reg_set(priv, R_TX_RING, (unsigned int)priv->txbd_dma); e4f2379d Alexey Brodkin 2013-06-24 462 e4f2379d Alexey Brodkin 2013-06-24 463 /* Enable interrupts */ 7ce7679d Beniamino Galvani 2014-09-10 464 arc_reg_set(priv, R_ENABLE, RXINT_MASK | TXINT_MASK | ERR_MASK); e4f2379d Alexey Brodkin 2013-06-24 465 e4f2379d Alexey Brodkin 2013-06-24 466 /* Set CONTROL */ e4f2379d Alexey Brodkin 2013-06-24 467 arc_reg_set(priv, R_CTRL, e4f2379d Alexey Brodkin 2013-06-24 @468 (RX_BD_NUM << 24) | /* RX BD table length */ e4f2379d Alexey Brodkin 2013-06-24 469 (TX_BD_NUM << 16) | /* TX BD table length */ e4f2379d Alexey Brodkin 2013-06-24 470 TXRN_MASK | RXRN_MASK); e4f2379d Alexey Brodkin 2013-06-24 471 e4f2379d Alexey Brodkin 2013-06-24 472 napi_enable(&priv->napi); e4f2379d Alexey Brodkin 2013-06-24 473 e4f2379d Alexey Brodkin 2013-06-24 474 /* Enable EMAC */ e4f2379d Alexey Brodkin 2013-06-24 475 arc_reg_or(priv, R_CTRL, EN_MASK); e4f2379d Alexey Brodkin 2013-06-24 476
:::::: The code at line 468 was first introduced by commit :::::: e4f2379db6c6823c5d4a4c2c912df00c65de51d7 ethernet/arc/arc_emac - Add new driver
:::::: TO: Alexey Brodkin <Alexey.Brodkin@synopsys.com> :::::: CC: David S. Miller <davem@davemloft.net>
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