netdev - Re: [PATCH] drivers/net/ethernet/broadcom/bnx2.c

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Message-ID: <1399047974.24523.16.camel@deadeye.wl.decadent.org.uk>
Date:	Fri, 02 May 2014 17:26:14 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	Michael Chan <mchan@...adcom.com>
Cc:	"Magnos A. Hammes" <magnos@...hos.com.br>, netdev@...r.kernel.org,
	"desenvolvimento@...hos.com.br" <desenvolvimento@...hos.com.br>
Subject: Re: [PATCH] drivers/net/ethernet/broadcom/bnx2.c

On Thu, 2014-05-01 at 12:32 -0700, Michael Chan wrote:
> On Thu, 2014-05-01 at 15:49 -0300, Magnos A. Hammes wrote:
> > Yes, I have some udev rules that run at system boot, but the only
> > thing 
> > I do is:
> > 
> > /sbin/udevd --daemon
> > /sbin/udevadm trigger --type=subsystems --action=add
> > /sbin/udevadm trigger --type=devices --action=add
> > /sbin/udevadm settle
> > 
> > Udev runs normally and returns no errors or warnings and dmesg shows 
> > nothing weird.
> > 
> > So, you think this may be a problem with my udev rules or a udev bug?
> > 
> > I'm using udev version 182.
> 
> udev is involved in locating and loading the firmware file.

It is usually not involved now.  The kernel tries to load files directly
from /lib/firmware.  Only if that fails and if
CONFIG_FW_LOADER_USER_HELPER is enabled, then it will issue a uevent
which udev may respond to (I think that may have been removed from udev
now).

Ben.

> On my
> system, I have /lib/udev/firmware.sh and a
> generic /lib/udev/rules.d/50-firmware.rules to make request_firmware()
> work.  Your system may be different.


-- 
Ben Hutchings
Lowery's Law:
             If it jams, force it. If it breaks, it needed replacing anyway.

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