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Date: Wed, 6 Apr 2011 14:58:36 -0700
From: Stephen Hemminger <shemminger@...tta.com>
To: David Miller <davem@...emloft.net>
Cc: bhutchings@...arflare.com, netdev@...r.kernel.org
Subject: Re: [PATCH 8/8] ewrk3: convert to set_phys_id
Use ethtool infrastructure for blinking, which is now does
locking at higher level.
Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
--- a/drivers/net/ewrk3.c 2011-04-06 14:50:45.905902923 -0700
+++ b/drivers/net/ewrk3.c 2011-04-06 14:56:00.249078160 -0700
@@ -1604,55 +1604,47 @@ static u32 ewrk3_get_link(struct net_dev
return !(cmr & CMR_LINK);
}
-static int ewrk3_phys_id(struct net_device *dev, u32 data)
+static int ewrk3_set_phys_id(struct net_device *dev,
+ enum ethtool_phys_id_state state)
{
struct ewrk3_private *lp = netdev_priv(dev);
unsigned long iobase = dev->base_addr;
- unsigned long flags;
u8 cr;
- int count;
- /* Toggle LED 4x per second */
- count = data << 2;
+ spin_lock_irq(&lp->hw_lock);
- spin_lock_irqsave(&lp->hw_lock, flags);
+ switch (state) {
+ case ETHTOOL_ID_ACTIVE:
+ /* Prevent ISR from twiddling the LED */
+ lp->led_mask = 0;
+ spin_unlock_irq(&lp->hw_lock);
+ return -EINVAL;
- /* Bail if a PHYS_ID is already in progress */
- if (lp->led_mask == 0) {
- spin_unlock_irqrestore(&lp->hw_lock, flags);
- return -EBUSY;
- }
-
- /* Prevent ISR from twiddling the LED */
- lp->led_mask = 0;
+ case ETHTOOL_ID_ON:
+ cr = inb(EWRK3_CR);
+ outb(cr | CR_LED, EWRK3_CR);
+ break;
- while (count--) {
- /* Toggle the LED */
+ case ETHTOOL_ID_OFF:
cr = inb(EWRK3_CR);
- outb(cr ^ CR_LED, EWRK3_CR);
+ outb(cr & ~CR_LED, EWRK3_CR);
+ break;
- /* Wait a little while */
- spin_unlock_irqrestore(&lp->hw_lock, flags);
- msleep(250);
- spin_lock_irqsave(&lp->hw_lock, flags);
-
- /* Exit if we got a signal */
- if (signal_pending(current))
- break;
+ case ETHTOOL_ID_INACTIVE:
+ lp->led_mask = CR_LED;
+ cr = inb(EWRK3_CR);
+ outb(cr & ~CR_LED, EWRK3_CR);
}
+ spin_unlock_irq(&lp->hw_lock);
- lp->led_mask = CR_LED;
- cr = inb(EWRK3_CR);
- outb(cr & ~CR_LED, EWRK3_CR);
- spin_unlock_irqrestore(&lp->hw_lock, flags);
- return signal_pending(current) ? -ERESTARTSYS : 0;
+ return 0;
}
static const struct ethtool_ops ethtool_ops_203 = {
.get_drvinfo = ewrk3_get_drvinfo,
.get_settings = ewrk3_get_settings,
.set_settings = ewrk3_set_settings,
- .phys_id = ewrk3_phys_id,
+ .set_phys_id = ewrk3_set_phys_id,
};
static const struct ethtool_ops ethtool_ops = {
@@ -1660,7 +1652,7 @@ static const struct ethtool_ops ethtool_
.get_settings = ewrk3_get_settings,
.set_settings = ewrk3_set_settings,
.get_link = ewrk3_get_link,
- .phys_id = ewrk3_phys_id,
+ .set_phys_id = ewrk3_set_phys_id,
};
/*
--
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