From: Komuro <komurojun-mbn@nifty.com>
Date: Sat, 7 Jun 2008 12:37:56 +0000 (+0900)
Subject: pcnet_cs, axnet_cs: clear bogus interrupt before request_irq
X-Git-Tag: upstream/snapshot3+hdmi~24543^2~39
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=54299ef7e9ae4b5d47b02f3abea168cdc62a6f70;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

pcnet_cs, axnet_cs: clear bogus interrupt before request_irq

Signed-off-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---

diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index ce95c5d..70d012e 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -525,12 +525,14 @@ static int axnet_open(struct net_device *dev)
     int ret;
     axnet_dev_t *info = PRIV(dev);
     struct pcmcia_device *link = info->p_dev;
+    unsigned int nic_base = dev->base_addr;
     
     DEBUG(2, "axnet_open('%s')\n", dev->name);
 
     if (!pcmcia_dev_present(link))
 	return -ENODEV;
 
+    outb_p(0xFF, nic_base + EN0_ISR); /* Clear bogus intr. */
     ret = request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, "axnet_cs", dev);
     if (ret)
 	    return ret;
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index fd8158a..2d4c4ad 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -969,6 +969,7 @@ static int pcnet_open(struct net_device *dev)
     int ret;
     pcnet_dev_t *info = PRIV(dev);
     struct pcmcia_device *link = info->p_dev;
+    unsigned int nic_base = dev->base_addr;
 
     DEBUG(2, "pcnet_open('%s')\n", dev->name);
 
@@ -976,6 +977,8 @@ static int pcnet_open(struct net_device *dev)
 	return -ENODEV;
 
     set_misc_reg(dev);
+
+    outb_p(0xFF, nic_base + EN0_ISR); /* Clear bogus intr. */
     ret = request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, dev_info, dev);
     if (ret)
 	    return ret;