diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-03-26 08:44:18 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-03-26 08:44:18 +1100 |
| commit | 54f53f2b94feb72622bec7a8563fc487d9f97720 (patch) | |
| tree | ab0c4e1dcadd25a00fa7a4febf41bc43b864cf73 /drivers/net/tulip | |
| parent | f61fb8a52cdf8b9b6a6badde84aefe58cb35d315 (diff) | |
| parent | a4083c9271e0a697278e089f2c0b9a95363ada0a (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'drivers/net/tulip')
| -rw-r--r-- | drivers/net/tulip/de2104x.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index 567c62757e9..1b5edd646a8 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -842,7 +842,7 @@ static inline int de_is_running (struct de_private *de) static void de_stop_rxtx (struct de_private *de) { u32 macmode; - unsigned int work = 1000; + unsigned int i = 1300/100; macmode = dr32(MacMode); if (macmode & RxTx) { @@ -850,10 +850,14 @@ static void de_stop_rxtx (struct de_private *de) dr32(MacMode); } - while (--work > 0) { + /* wait until in-flight frame completes. + * Max time @ 10BT: 1500*8b/10Mbps == 1200us (+ 100us margin) + * Typically expect this loop to end in < 50 us on 100BT. + */ + while (--i) { if (!de_is_running(de)) return; - cpu_relax(); + udelay(100); } printk(KERN_WARNING "%s: timeout expired stopping DMA\n", de->dev->name); |