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Date: Mon, 3 Sep 2007 07:30:33 -0400 (EDT)
From: "Robert P. J. Day" <rpjday@...dspring.com>
To: netdev@...r.kernel.org
cc: Geert Uytterhoeven <geert@...ux-m68k.org>
Subject: [PATCH] NET: Officially deprecate "ether=" and schedule for removal.
Officially deprecate the boot-time "ether=" option in favour of
"netdev=", update the documentation accordingly in various places, and
schedule removal for September of 2008.
Signed-off-by: Robert P. J. Day <rpjday@...dspring.com>
---
i realize that some people have strong feelings about removing
options because of backward compatibility, so i'm easy regarding this
submission. i just had the patch lying around so i figured i'd send
it on and someone higher up the food chain can make the call one way
or the other.
compile and boot-time tested on i386 with "make defconfig".
Documentation/feature-removal-schedule.txt | 6 ++++++
Documentation/kernel-parameters.txt | 2 ++
Documentation/m68k/kernel-options.txt | 6 +++++-
Documentation/networking/3c505.txt | 3 ++-
drivers/net/3c59x.c | 3 ++-
drivers/net/atp.c | 2 +-
drivers/net/es3210.c | 5 +++++
net/ethernet/eth.c | 13 ++++++++++++-
8 files changed, 35 insertions(+), 5 deletions(-)
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index b9a3fdc..656a71a 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -298,3 +298,9 @@ Why: All mthca hardware also supports MSI-X, which provides
Who: Roland Dreier <rolandd@...co.com>
---------------------------
+
+What: "ether=" boot-time option
+When: September 2008
+Why: Obsoleted by newer and equivalent "netdev=" option.
+Who: Robert P. J. Day <rpjday@...dspring.com> or whoever else wants to
+ do it when the time comes.
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b41cde3..47a9cf1 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -621,6 +621,8 @@ and is between 256 and 4096 characters. It is defined in the file
ether= [HW,NET] Ethernet cards parameters
This option is obsoleted by the "netdev=" option, which
has equivalent usage. See its documentation for details.
+ "ether=" has been scheduled for removal -- see the file
+ Documentation/feature-removal-schedule.txt.
eurwdt= [HW,WDT] Eurotech CPU-1220/1410 onboard watchdog.
Format: <io>[,<irq>]
diff --git a/Documentation/m68k/kernel-options.txt b/Documentation/m68k/kernel-options.txt
index 59108ce..3ec32d2 100644
--- a/Documentation/m68k/kernel-options.txt
+++ b/Documentation/m68k/kernel-options.txt
@@ -218,7 +218,7 @@ drive (with "root=").
3) General Device Options (Amiga and Atari)
===========================================
-3.1) ether=
+3.1) ether= [Equivalently, netdev=]
-----------
Syntax: ether=[<irq>[,<base_addr>[,<mem_start>[,<mem_end>]]]],<dev-name>
@@ -233,6 +233,10 @@ Linux/m68k (ariadne, a2065, hydra) don't use them because Zorro boards
are really Plug-'n-Play, so the "ether=" option is useless altogether
for Linux/m68k.
+ NOTE: The "ether=" option is deprecated in favour of the newer
+"netdev=" option. "ether=" has been scheduled for removal -- see the
+file Documentation/feature-removal-schedule.txt for details.
+
3.2) hd=
--------
diff --git a/Documentation/networking/3c505.txt b/Documentation/networking/3c505.txt
index b9d5b72..d79d31d 100644
--- a/Documentation/networking/3c505.txt
+++ b/Documentation/networking/3c505.txt
@@ -5,7 +5,8 @@ The default DMA channel is 6; this is _not_ autoprobed, so you must
make sure you configure it correctly. If loading the driver as a
module, you can do this with "modprobe 3c505 dma=n". If the driver is
linked statically into the kernel, you must either use an "ether="
-statement on the command line, or change the definition of ELP_DMA in 3c505.h.
+(or equivalent and preferred "netdev=") statement on the command line,
+or change the definition of ELP_DMA in 3c505.h.
The driver will warn you if it has to fall back on the compiled in
default DMA channel.
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index a8c0f43..0ae3561 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -1043,7 +1043,8 @@ static int __devinit vortex_probe1(struct device *gendev,
if (dev->mem_start) {
/*
* The 'options' param is passed in as the third arg to the
- * LILO 'ether=' argument for non-modular use
+ * LILO 'ether=' (or equivalent and preferred 'netdev=') argument
+ * for non-modular use
*/
option = dev->mem_start;
}
diff --git a/drivers/net/atp.c b/drivers/net/atp.c
index 82d78ff..d9cd8bb 100644
--- a/drivers/net/atp.c
+++ b/drivers/net/atp.c
@@ -114,7 +114,7 @@ static int xcvr[NUM_UNITS]; /* The data transfer mode. */
The data transfer mode is stored in the 'dev->if_port' field. Its default
value is '4'. It may be overridden at boot-time using the third parameter
- to the "ether=..." initialization.
+ to the "ether=..." (or equivalent and preferred "netdev=...") initialization.
The header file <atp.h> provides inline functions that encapsulate the
register and data access methods. These functions are hand-tuned to
diff --git a/drivers/net/es3210.c b/drivers/net/es3210.c
index 822e5bf..fdfbd59 100644
--- a/drivers/net/es3210.c
+++ b/drivers/net/es3210.c
@@ -40,6 +40,11 @@
these registers is disabled there. In the meantime, boot with:
ether=<IRQ>,0,0x<shared_mem_addr>,eth0 to override the IRQ and
shared memory detection. (The i/o port detection is okay.)
+
+ NOTE: The "ether=" option has been deprecated in favour of the
+ newer and equivalent "netdev=" option, and has been scheduled for
+ removal. See Documentation/feature-removal-schedule.txt for
+ details.
2) Module support currently untested. Probably works though.
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index 12c7657..45a3e9c 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -31,6 +31,8 @@
* older network drivers and IFF_ALLMULTI.
* Christer Weinigel : Better rebuild header message.
* Andrew Morton : 26Feb01: kill ether_setup() - use netdev_boot_setup().
+ * Robert P. J. Day : Add ether_boot_setup() to allow deprecation warning
+ for "ether=" boot-time option.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
@@ -60,7 +62,16 @@
#include <asm/uaccess.h>
#include <asm/system.h>
-__setup("ether=", netdev_boot_setup);
+static int __init
+ether_boot_setup(char *str)
+{
+ printk(KERN_NOTICE "The 'ether' option is deprecated and "
+ "is scheduled for removal in late 2008\n");
+ printk(KERN_NOTICE "Use 'netdev=<value>' instead\n");
+ return netdev_boot_setup(str);
+}
+
+__setup("ether=", ether_boot_setup);
/**
* eth_header - create the Ethernet header
--
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry
Waterloo, Ontario, CANADA
http://crashcourse.ca
========================================================================
-
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