mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-01 22:25:20 +02:00
cea2b4210d
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@32953 3c298f89-4303-0410-b956-a3cf2f4a3e73
132 lines
3.9 KiB
Diff
132 lines
3.9 KiB
Diff
From 3c7089199784e3d53054869108cfa5666b42e7ea Mon Sep 17 00:00:00 2001
|
|
From: John Crispin <blogic@openwrt.org>
|
|
Date: Fri, 3 Aug 2012 10:28:51 +0200
|
|
Subject: [PATCH 22/25] owrt dm9000 polling
|
|
|
|
---
|
|
drivers/net/ethernet/davicom/dm9000.c | 50 +++++++++++++++++++++++++++-----
|
|
1 files changed, 42 insertions(+), 8 deletions(-)
|
|
|
|
diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
|
|
index f801754..258a0c3 100644
|
|
--- a/drivers/net/ethernet/davicom/dm9000.c
|
|
+++ b/drivers/net/ethernet/davicom/dm9000.c
|
|
@@ -19,6 +19,7 @@
|
|
* Sascha Hauer <s.hauer@pengutronix.de>
|
|
*/
|
|
|
|
+#define DEBUG
|
|
#include <linux/module.h>
|
|
#include <linux/ioport.h>
|
|
#include <linux/netdevice.h>
|
|
@@ -132,6 +133,8 @@ typedef struct board_info {
|
|
struct delayed_work phy_poll;
|
|
struct net_device *ndev;
|
|
|
|
+ struct delayed_work irq_poll; /* for use in irq polling mode */
|
|
+
|
|
spinlock_t lock;
|
|
|
|
struct mii_if_info mii;
|
|
@@ -845,6 +848,8 @@ static void dm9000_timeout(struct net_device *dev)
|
|
netif_stop_queue(dev);
|
|
dm9000_reset(db);
|
|
dm9000_init_dm9000(dev);
|
|
+ dm9000_reset(db);
|
|
+ dm9000_init_dm9000(dev);
|
|
/* We can accept TX packets again */
|
|
dev->trans_start = jiffies; /* prevent tx timeout */
|
|
netif_wake_queue(dev);
|
|
@@ -916,6 +921,12 @@ dm9000_start_xmit(struct sk_buff *skb, struct net_device *dev)
|
|
/* free this SKB */
|
|
dev_kfree_skb(skb);
|
|
|
|
+ /* directly poll afterwards */
|
|
+ if (dev->irq == -1) {
|
|
+ cancel_delayed_work(&db->irq_poll);
|
|
+ schedule_delayed_work(&db->irq_poll, 1);
|
|
+ }
|
|
+
|
|
return NETDEV_TX_OK;
|
|
}
|
|
|
|
@@ -1157,6 +1168,18 @@ static void dm9000_poll_controller(struct net_device *dev)
|
|
}
|
|
#endif
|
|
|
|
+static void dm9000_poll_irq(struct work_struct *w)
|
|
+{
|
|
+ struct delayed_work *dw = to_delayed_work(w);
|
|
+ board_info_t *db = container_of(dw, board_info_t, irq_poll);
|
|
+ struct net_device *ndev = db->ndev;
|
|
+
|
|
+ dm9000_interrupt(0, ndev);
|
|
+
|
|
+ if (netif_running(ndev))
|
|
+ schedule_delayed_work(&db->irq_poll, HZ /100);
|
|
+}
|
|
+
|
|
/*
|
|
* Open the interface.
|
|
* The interface is opened whenever "ifconfig" actives it.
|
|
@@ -1170,14 +1193,15 @@ dm9000_open(struct net_device *dev)
|
|
if (netif_msg_ifup(db))
|
|
dev_dbg(db->dev, "enabling %s\n", dev->name);
|
|
|
|
- /* If there is no IRQ type specified, default to something that
|
|
- * may work, and tell the user that this is a problem */
|
|
+ if (dev->irq != -1) {
|
|
+ /* If there is no IRQ type specified, default to something that
|
|
+ * may work, and tell the user that this is a problem */
|
|
|
|
- if (irqflags == IRQF_TRIGGER_NONE)
|
|
- dev_warn(db->dev, "WARNING: no IRQ resource flags set.\n");
|
|
-
|
|
- irqflags |= IRQF_SHARED;
|
|
+ if (irqflags == IRQF_TRIGGER_NONE)
|
|
+ dev_warn(db->dev, "WARNING: no IRQ resource flags set.\n");
|
|
|
|
+ irqflags |= IRQF_SHARED;
|
|
+ }
|
|
/* GPIO0 on pre-activate PHY, Reg 1F is not set by reset */
|
|
iow(db, DM9000_GPR, 0); /* REG_1F bit0 activate phyxcer */
|
|
mdelay(1); /* delay needs by DM9000B */
|
|
@@ -1186,8 +1210,14 @@ dm9000_open(struct net_device *dev)
|
|
dm9000_reset(db);
|
|
dm9000_init_dm9000(dev);
|
|
|
|
- if (request_irq(dev->irq, dm9000_interrupt, irqflags, dev->name, dev))
|
|
- return -EAGAIN;
|
|
+ /* testing: init a second time */
|
|
+ dm9000_reset(db);
|
|
+ dm9000_init_dm9000(dev);
|
|
+
|
|
+ if (dev->irq != -1) {
|
|
+ if (request_irq(dev->irq, dm9000_interrupt, irqflags, dev->name, dev))
|
|
+ return -EAGAIN;
|
|
+ }
|
|
|
|
/* Init driver variable */
|
|
db->dbug_cnt = 0;
|
|
@@ -1195,6 +1225,9 @@ dm9000_open(struct net_device *dev)
|
|
mii_check_media(&db->mii, netif_msg_link(db), 1);
|
|
netif_start_queue(dev);
|
|
|
|
+ if (dev->irq == -1)
|
|
+ schedule_delayed_work(&db->irq_poll, HZ / 100);
|
|
+
|
|
dm9000_schedule_poll(db);
|
|
|
|
return 0;
|
|
@@ -1392,6 +1425,7 @@ dm9000_probe(struct platform_device *pdev)
|
|
mutex_init(&db->addr_lock);
|
|
|
|
INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work);
|
|
+ INIT_DELAYED_WORK(&db->irq_poll, dm9000_poll_irq);
|
|
|
|
db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
|
|
--
|
|
1.7.9.1
|
|
|