From: Greg KH <gregkh@suse•de>
To: linux-kernel@vger•kernel.org, stable@kernel•org
Cc: Justin Forbes <jmforbes@linuxtx•org>,
Zwane Mwaikambo <zwane@arm•linux.org.uk>,
Theodore Ts'o <tytso@mit•edu>,
Randy Dunlap <rdunlap@xenotime•net>,
Dave Jones <davej@redhat•com>,
Chuck Wolber <chuckw@quantumlinux•com>,
Chris Wedgwood <reviews@ml•cw.f00f.org>,
Michael Krufky <mkrufky@linuxtv•org>,
Chuck Ebbert <cebbert@redhat•com>,
Domenico Andreoli <cavokz@gmail•com>,
torvalds@linux-foundation•org, akpm@linux-foundation•org,
alan@lxorguk•ukuu.org.uk, netdev@vger•kernel.org,
Stephen Hemminger <shemminger@linux-foundation•org>,
Greg Kroah-Hartman <gregkh@suse•de>
Subject: [patch 04/20] sky2: carrier management
Date: Mon, 20 Aug 2007 23:54:08 -0700 [thread overview]
Message-ID: <20070821065408.GE5275@kroah.com> (raw)
In-Reply-To: <20070821065210.GA5275@kroah.com>
[-- Attachment #1: sky2-carrier-mgmt.patch --]
[-- Type: text/plain, Size: 2132 bytes --]
-stable review patch. If anyone has any objections, please let us know.
------------------
From: Stephen Hemminger <shemminger@linux-foundation•org>
backport of commit 55d7b4e6ed6ad3ec5e5e30b3b4515a0a6a53e344
Make sky2 handle carrier similar to other drivers,
eliminate some possible races in carrier state transistions.
Signed-off-by: Stephen Hemminger <shemminger@linux-foundation•org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse•de>
---
drivers/net/sky2.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -1234,6 +1234,8 @@ static int sky2_up(struct net_device *de
if (netif_msg_ifup(sky2))
printk(KERN_INFO PFX "%s: enabling interface\n", dev->name);
+ netif_carrier_off(dev);
+
/* must be power of 2 */
sky2->tx_le = pci_alloc_consistent(hw->pdev,
TX_RING_SIZE *
@@ -1573,7 +1575,6 @@ static int sky2_down(struct net_device *
/* Stop more packets from being queued */
netif_stop_queue(dev);
- netif_carrier_off(dev);
/* Disable port IRQ */
imask = sky2_read32(hw, B0_IMSK);
@@ -1625,6 +1626,8 @@ static int sky2_down(struct net_device *
sky2_phy_power(hw, port, 0);
+ netif_carrier_off(dev);
+
/* turn off LED's */
sky2_write16(hw, B0_Y2LED, LED_STAT_OFF);
@@ -1689,7 +1692,6 @@ static void sky2_link_up(struct sky2_por
gm_phy_write(hw, port, PHY_MARV_INT_MASK, PHY_M_DEF_MSK);
netif_carrier_on(sky2->netdev);
- netif_wake_queue(sky2->netdev);
/* Turn on link LED */
sky2_write8(hw, SK_REG(port, LNK_LED_REG),
@@ -1741,7 +1743,6 @@ static void sky2_link_down(struct sky2_p
gma_write16(hw, port, GM_GP_CTRL, reg);
netif_carrier_off(sky2->netdev);
- netif_stop_queue(sky2->netdev);
/* Turn on link LED */
sky2_write8(hw, SK_REG(port, LNK_LED_REG), LINKLED_OFF);
@@ -3493,10 +3494,6 @@ static __devinit struct net_device *sky2
memcpy_fromio(dev->dev_addr, hw->regs + B2_MAC_1 + port * 8, ETH_ALEN);
memcpy(dev->perm_addr, dev->dev_addr, dev->addr_len);
- /* device is off until link detection */
- netif_carrier_off(dev);
- netif_stop_queue(dev);
-
return dev;
}
--
next prev parent reply other threads:[~2007-08-21 6:52 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070821064251.972690753@blue.kroah.org>
[not found] ` <20070821065210.GA5275@kroah.com>
2007-08-21 6:53 ` [patch 03/20] sky2: restore workarounds for lost interrupts Greg KH
2007-08-21 6:54 ` Greg KH [this message]
2007-08-21 6:54 ` [patch 05/20] sky2: check for more work before leaving NAPI Greg KH
2007-08-21 6:54 ` [patch 06/20] sky2: check drop truncated packets Greg KH
2007-08-21 18:10 ` [PATCH] sky2: don't clear phy power bits Stephen Hemminger
2007-08-21 18:26 ` Linus Torvalds
2007-08-21 18:50 ` Stephen Hemminger
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20070821065408.GE5275@kroah.com \
--to=gregkh@suse$(echo .)de \
--cc=akpm@linux-foundation$(echo .)org \
--cc=alan@lxorguk$(echo .)ukuu.org.uk \
--cc=cavokz@gmail$(echo .)com \
--cc=cebbert@redhat$(echo .)com \
--cc=chuckw@quantumlinux$(echo .)com \
--cc=davej@redhat$(echo .)com \
--cc=jmforbes@linuxtx$(echo .)org \
--cc=linux-kernel@vger$(echo .)kernel.org \
--cc=mkrufky@linuxtv$(echo .)org \
--cc=netdev@vger$(echo .)kernel.org \
--cc=rdunlap@xenotime$(echo .)net \
--cc=reviews@ml$(echo .)cw.f00f.org \
--cc=shemminger@linux-foundation$(echo .)org \
--cc=stable@kernel$(echo .)org \
--cc=torvalds@linux-foundation$(echo .)org \
--cc=tytso@mit$(echo .)edu \
--cc=zwane@arm$(echo .)linux.org.uk \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox