On Sun, 2020-05-17 at 04:28 +0200, Marek Vasut wrote:
> On 5/17/20 4:01 AM, Joe Perches wrote:
> > On Sun, 2020-05-17 at 02:33 +0200, Marek Vasut wrote:
> > > Drop those debug statements from both drivers. They were there since
> > > at least 2011 and enabled by default, but that's likely wrong.
> > []
> > > diff --git a/drivers/net/ethernet/micrel/ks8851_par.c 
> > > b/drivers/net/ethernet/micrel/ks8851_par.c
> > []
> > > -#define DEBUG
> > 
> > Dropping the #define DEBUG lines will cause a behavior
> > change for the netdev/netif_dbg uses as these messages
> > will no longer be output by default.
> 
> Is that a problem ?

Dunno.  I don't use nor debug these drivers.

You just say that's likely wrong, but I wonder if
that's really true.

You also don't mention in your patch commit message
that the output logging actually does change as if
the DEBUG define has no effect.

Prior to this change these were output at KERN_DEBUG

$ git grep -A1 _dbg drivers/net/ethernet/micrel/ks8851.c
drivers/net/ethernet/micrel/ks8851.c:   netif_dbg(ks, hw, ks->netdev, "setting 
power mode %d\n", pwrmode);
drivers/net/ethernet/micrel/ks8851.c-
--
drivers/net/ethernet/micrel/ks8851.c:   netif_dbg(ks, rx_status, ks->netdev,
drivers/net/ethernet/micrel/ks8851.c-             "%s: %d@%p\n", __func__, len, 
buff);
--
drivers/net/ethernet/micrel/ks8851.c: * ks8851_dbg_dumpkkt - dump initial 
packet contents to debug
drivers/net/ethernet/micrel/ks8851.c- * @ks: The device state
--
drivers/net/ethernet/micrel/ks8851.c: * Dump the initial data from the packet 
to dev_dbg().
drivers/net/ethernet/micrel/ks8851.c-*/
drivers/net/ethernet/micrel/ks8851.c:static void ks8851_dbg_dumpkkt(struct 
ks8851_net *ks, u8 *rxpkt)
drivers/net/ethernet/micrel/ks8851.c-{
drivers/net/ethernet/micrel/ks8851.c:   netdev_dbg(ks->netdev,
drivers/net/ethernet/micrel/ks8851.c-              "pkt %02x%02x%02x%02x 
%02x%02x%02x%02x %02x%02x%02x%02x\n",
--
drivers/net/ethernet/micrel/ks8851.c:   netif_dbg(ks, rx_status, ks->netdev,
drivers/net/ethernet/micrel/ks8851.c-             "%s: %d packets\n", __func__, 
rxfc);
--
drivers/net/ethernet/micrel/ks8851.c:           netif_dbg(ks, rx_status, 
ks->netdev,
drivers/net/ethernet/micrel/ks8851.c-                     "rx: stat 0x%04x, len 
0x%04x\n", rxstat, rxlen);
--
drivers/net/ethernet/micrel/ks8851.c:                                   
ks8851_dbg_dumpkkt(ks, rxpkt);
drivers/net/ethernet/micrel/ks8851.c-
--
drivers/net/ethernet/micrel/ks8851.c:   netif_dbg(ks, intr, ks->netdev,
drivers/net/ethernet/micrel/ks8851.c-             "%s: status 0x%04x\n", 
__func__, status);
--
drivers/net/ethernet/micrel/ks8851.c:           netif_dbg(ks, intr, ks->netdev,
drivers/net/ethernet/micrel/ks8851.c-                     "%s: txspace %d\n", 
__func__, ks->tx_space);
--
drivers/net/ethernet/micrel/ks8851.c:   netif_dbg(ks, tx_queued, ks->netdev, 
"%s: skb %p, %d@%p, irq %d\n",
drivers/net/ethernet/micrel/ks8851.c-             __func__, txp, txp->len, 
txp->data, irq);
--
drivers/net/ethernet/micrel/ks8851.c:   netif_dbg(ks, ifup, ks->netdev, 
"opening\n");
drivers/net/ethernet/micrel/ks8851.c-
--
drivers/net/ethernet/micrel/ks8851.c:   netif_dbg(ks, ifup, ks->netdev, 
"network device up\n");
drivers/net/ethernet/micrel/ks8851.c-
--
drivers/net/ethernet/micrel/ks8851.c:           netif_dbg(ks, ifdown, 
ks->netdev,
drivers/net/ethernet/micrel/ks8851.c-                     "%s: freeing txb 
%p\n", __func__, txb);
--
drivers/net/ethernet/micrel/ks8851.c:   netif_dbg(ks, tx_queued, ks->netdev,
drivers/net/ethernet/micrel/ks8851.c-             "%s: skb %p, %d@%p\n", 
__func__, skb, skb->len, skb->data);


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