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Date: Wed, 10 Mar 2010 20:16:37 +0100
From: Mikael Pettersson <mikpe@...uu.se>
To: Joe Perches <joe@...ches.com>
Cc: David Miller <davem@...emloft.net>, mikpe@...uu.se,
netdev@...r.kernel.org, grundler@...isc-linux.org,
kyle@...artin.ca, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/net/tulip/eeprom.c: fix bogus "(null)" in tulip
init messages
Joe Perches writes:
> On Wed, 2010-03-10 at 08:41 -0800, David Miller wrote:
> > From: Mikael Pettersson <mikpe@...uu.se>
> > Date: Wed, 10 Mar 2010 16:33:28 +0100
> > > Booting 2.6.34-rc1 on a machine with a tulip nic I see
> > > a number of kernel messages that include "(null)" where
> > > previous kernels included the string "tulip0":
> > CC:'ing the guilty party :-) It's one of the following
> > commits:
>
> Thanks Mikael.
>
> Anonymity has some good attributes.
> Blame avoidance is one of them.
>
> I've broad shoulders. It's me, then Dwight Howard...
>
> There might be another few of these where ->name or ->dev
> was used before struct device or net_device was registered.
> I'll go back and check.
>
> tulip_core has:
>
> if (tp->flags & HAS_MEDIA_TABLE) {
> sprintf(dev->name, DRV_NAME "%d", board_idx); /* hack */
> tulip_parse_eeprom(dev);
> strcpy(dev->name, "eth%d"); /* un-hack */
> }
>
> So I don't feel _too_ bad.
>
> tulip_parse_eeprom is done before register_netdev so the logging
> there can not use netdev_<level> or dev_<level>(&dev->dev
>
> Signed-off-by: Joe Perches <joe@...ches.com>
> drivers/net/tulip/eeprom.c | 54 ++++++++++++++++++++++++-------------------
> 1 files changed, 30 insertions(+), 24 deletions(-)
Thanks, that fixed it:
tulip 0000:00:0f.0: enabling device (0014 -> 0017)
tulip0: EEPROM default media type Autosense
tulip0: Index #0 - Media 10baseT (#0) described by a 21142 Serial PHY (2) block
tulip0: Index #1 - Media 10baseT-FDX (#4) described by a 21142 Serial PHY (2) block
tulip0: Index #2 - Media 100baseTx (#3) described by a 21143 SYM PHY (4) block
tulip0: Index #3 - Media 100baseTx-FDX (#5) described by a 21143 SYM PHY (4) block
tulip0: Index #4 - Media 100baseTx (#3) described by a 21143 reset method (5) block
net eth0: Digital DS21142/43 Tulip rev 48 at Port 0x800, 00:00:c5:50:f9:51, IRQ 25
Tested-by: Mikael Pettersson <mikpe@...uu.se>
> ---
> diff --git a/drivers/net/tulip/eeprom.c b/drivers/net/tulip/eeprom.c
> index 93f4e83..49f05d1 100644
> --- a/drivers/net/tulip/eeprom.c
> +++ b/drivers/net/tulip/eeprom.c
> @@ -143,6 +143,12 @@ static void __devinit tulip_build_fake_mediatable(struct tulip_private *tp)
>
> void __devinit tulip_parse_eeprom(struct net_device *dev)
> {
> + /*
> + dev is not registered at this point, so logging messages can't
> + use dev_<level> or netdev_<level> but dev->name is good via a
> + hack in the caller
> + */
> +
> /* The last media info list parsed, for multiport boards. */
> static struct mediatable *last_mediatable;
> static unsigned char *last_ee_data;
> @@ -161,15 +167,14 @@ void __devinit tulip_parse_eeprom(struct net_device *dev)
> if (ee_data[0] == 0xff) {
> if (last_mediatable) {
> controller_index++;
> - dev_info(&dev->dev,
> - "Controller %d of multiport board\n",
> - controller_index);
> + pr_info("%s: Controller %d of multiport board\n",
> + dev->name, controller_index);
> tp->mtable = last_mediatable;
> ee_data = last_ee_data;
> goto subsequent_board;
> } else
> - dev_info(&dev->dev,
> - "Missing EEPROM, this interface may not work correctly!\n");
> + pr_info("%s: Missing EEPROM, this interface may not work correctly!\n",
> + dev->name);
> return;
> }
> /* Do a fix-up based on the vendor half of the station address prefix. */
> @@ -181,15 +186,14 @@ void __devinit tulip_parse_eeprom(struct net_device *dev)
> i++; /* An Accton EN1207, not an outlaw Maxtech. */
> memcpy(ee_data + 26, eeprom_fixups[i].newtable,
> sizeof(eeprom_fixups[i].newtable));
> - dev_info(&dev->dev,
> - "Old format EEPROM on '%s' board. Using substitute media control info\n",
> - eeprom_fixups[i].name);
> + pr_info("%s: Old format EEPROM on '%s' board. Using substitute media control info\n",
> + dev->name, eeprom_fixups[i].name);
> break;
> }
> }
> if (eeprom_fixups[i].name == NULL) { /* No fixup found. */
> - dev_info(&dev->dev,
> - "Old style EEPROM with no media selection information\n");
> + pr_info("%s: Old style EEPROM with no media selection information\n",
> + dev->name);
> return;
> }
> }
> @@ -217,8 +221,8 @@ subsequent_board:
> /* there is no phy information, don't even try to build mtable */
> if (count == 0) {
> if (tulip_debug > 0)
> - dev_warn(&dev->dev,
> - "no phy info, aborting mtable build\n");
> + pr_warning("%s: no phy info, aborting mtable build\n",
> + dev->name);
> return;
> }
>
> @@ -234,8 +238,10 @@ subsequent_board:
> mtable->has_nonmii = mtable->has_mii = mtable->has_reset = 0;
> mtable->csr15dir = mtable->csr15val = 0;
>
> - dev_info(&dev->dev, "EEPROM default media type %s\n",
> - media & 0x0800 ? "Autosense" : medianame[media & MEDIA_MASK]);
> + pr_info("%s: EEPROM default media type %s\n",
> + dev->name,
> + media & 0x0800 ? "Autosense"
> + : medianame[media & MEDIA_MASK]);
> for (i = 0; i < count; i++) {
> struct medialeaf *leaf = &mtable->mleaf[i];
>
> @@ -298,17 +304,17 @@ subsequent_board:
> }
> if (tulip_debug > 1 && leaf->media == 11) {
> unsigned char *bp = leaf->leafdata;
> - dev_info(&dev->dev,
> - "MII interface PHY %d, setup/reset sequences %d/%d long, capabilities %02x %02x\n",
> - bp[0], bp[1], bp[2 + bp[1]*2],
> - bp[5 + bp[2 + bp[1]*2]*2],
> - bp[4 + bp[2 + bp[1]*2]*2]);
> + pr_info("%s: MII interface PHY %d, setup/reset sequences %d/%d long, capabilities %02x %02x\n",
> + dev->name,
> + bp[0], bp[1], bp[2 + bp[1]*2],
> + bp[5 + bp[2 + bp[1]*2]*2],
> + bp[4 + bp[2 + bp[1]*2]*2]);
> }
> - dev_info(&dev->dev,
> - "Index #%d - Media %s (#%d) described by a %s (%d) block\n",
> - i, medianame[leaf->media & 15], leaf->media,
> - leaf->type < ARRAY_SIZE(block_name) ? block_name[leaf->type] : "<unknown>",
> - leaf->type);
> + pr_info("%s: Index #%d - Media %s (#%d) described by a %s (%d) block\n",
> + dev->name,
> + i, medianame[leaf->media & 15], leaf->media,
> + leaf->type < ARRAY_SIZE(block_name) ? block_name[leaf->type] : "<unknown>",
> + leaf->type);
> }
> if (new_advertise)
> tp->sym_advertise = new_advertise;
>
>
--
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