linux-kernel - [-mm patch] one e1000 driver should be enough for everyone

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Message-ID: <20070725133650.GB3572@stusta.de>
Date:	Wed, 25 Jul 2007 15:36:50 +0200
From:	Adrian Bunk <bunk@...sta.de>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Auke Kok <auke-jan.h.kok@...el.com>, jgarzik@...ox.com
Cc:	linux-kernel@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	netdev@...r.kernel.org
Subject: [-mm patch] one e1000 driver should be enough for everyone

On Wed, Jul 25, 2007 at 04:03:04AM -0700, Andrew Morton wrote:
>...
> Changes since 2.6.22-rc6-mm1:
>...
>  git-e1000new.patch
>...
>  git trees
>...

Both e1000 drivers compiled into the kernel resulted in the following 
compile error:

<--  snip  -->

...
  LD      drivers/net/built-in.o
drivers/net/e1000/built-in.o: In function `e1000_read_mac_addr':
(.text+0xb9f2): multiple definition of `e1000_read_mac_addr'
drivers/net/e1000new/built-in.o:(.text+0x821a): first defined here
drivers/net/e1000/built-in.o: In function `e1000_phy_setup_autoneg':
(.text+0x8799): multiple definition of `e1000_phy_setup_autoneg'
drivers/net/e1000new/built-in.o:(.text+0xa9bd): first defined here
...
make[3]: *** [drivers/net/built-in.o] Error 1

<--  snip  -->

Signed-off-by: Adrian Bunk <bunk@...sta.de>

---

BTW:
Unless I'm misunderstanding anything, the new driver should support a 
superset of what the old driver supported.
Therefore, it would be good if the final merge into Linus' tree will
do an
  rm -r drivers/net/e1000
  mv drivers/net/e1000new drivers/net/e1000

--- linux-2.6.23-rc1-mm1/drivers/net/Kconfig.old	2007-07-25 15:06:13.000000000 +0200
+++ linux-2.6.23-rc1-mm1/drivers/net/Kconfig	2007-07-25 15:09:59.000000000 +0200
@@ -2036,7 +2036,7 @@

 config E1000
 	tristate "Intel(R) PRO/1000 Gigabit Ethernet support"
-	depends on PCI
+	depends on PCI && E1000NEW=n
 	---help---
 	  This driver supports Intel(R) PRO/1000 gigabit ethernet family of
 	  adapters.  For more information on how to identify your adapter, go 

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