Re: [PATCH] net: macb: do not scan PHYs manually

From: kbuild test robot
Date: Thu Apr 28 2016 - 10:39:30 EST


Hi,

[auto build test WARNING on v4.6-rc5]
[cannot apply to net-next/master next-20160428]
[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/Nathan-Sullivan/net-macb-do-not-scan-PHYs-manually/20160428-222826
config: powerpc-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=powerpc

All warnings (new ones prefixed by >>):

drivers/net/ethernet/cadence/macb.c: In function 'macb_mii_init':
>> drivers/net/ethernet/cadence/macb.c:427:20: warning: unused variable 'i' [-Wunused-variable]
int err = -ENXIO, i;
^

vim +/i +427 drivers/net/ethernet/cadence/macb.c

222ca8e0 drivers/net/ethernet/cadence/macb.c Nathan Sullivan 2015-05-22 411 phydev->supported &= ~SUPPORTED_1000baseT_Half;
222ca8e0 drivers/net/ethernet/cadence/macb.c Nathan Sullivan 2015-05-22 412
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 413 phydev->advertising = phydev->supported;
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 414
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 415 bp->link = 0;
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 416 bp->speed = 0;
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 417 bp->duplex = -1;
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 418 bp->phy_dev = phydev;
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 419
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 420 return 0;
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 421 }
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 422
421d9df0 drivers/net/ethernet/cadence/macb.c Cyrille Pitchen 2015-03-07 423 static int macb_mii_init(struct macb *bp)
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 424 {
84e0cdb0 drivers/net/ethernet/cadence/macb.c Jamie Iles 2011-03-08 425 struct macb_platform_data *pdata;
148cbb53 drivers/net/ethernet/cadence/macb.c Boris BREZILLON 2013-08-22 426 struct device_node *np;
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 @427 int err = -ENXIO, i;
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 428
3dbda77e drivers/net/macb.c Uwe Kleine-Koenig 2009-07-23 429 /* Enable management port */
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 430 macb_writel(bp, NCR, MACB_BIT(MPE));
6c36a707 drivers/net/macb.c frederic RODO 2007-07-12 431
298cf9be drivers/net/macb.c Lennert Buytenhek 2008-10-08 432 bp->mii_bus = mdiobus_alloc();
298cf9be drivers/net/macb.c Lennert Buytenhek 2008-10-08 433 if (bp->mii_bus == NULL) {
298cf9be drivers/net/macb.c Lennert Buytenhek 2008-10-08 434 err = -ENOMEM;
298cf9be drivers/net/macb.c Lennert Buytenhek 2008-10-08 435 goto err_out;

:::::: The code at line 427 was first introduced by commit
:::::: 6c36a7074436e181fb3df41f66bbdaf53980951e macb: Use generic PHY layer

:::::: TO: frederic RODO <f.rodo@xxxxxxxxxxxxxxxxxxx>
:::::: CC: Jeff Garzik <jeff@xxxxxxxxxx>

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