diff options
Diffstat (limited to 'drivers/net/tulip/de2104x.c')
-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 567c62757e9d..1b5edd646a8c 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) | |||
842 | static void de_stop_rxtx (struct de_private *de) | 842 | static void de_stop_rxtx (struct de_private *de) |
843 | { | 843 | { |
844 | u32 macmode; | 844 | u32 macmode; |
845 | unsigned int work = 1000; | 845 | unsigned int i = 1300/100; |
846 | 846 | ||
847 | macmode = dr32(MacMode); | 847 | macmode = dr32(MacMode); |
848 | if (macmode & RxTx) { | 848 | if (macmode & RxTx) { |
@@ -850,10 +850,14 @@ static void de_stop_rxtx (struct de_private *de) | |||
850 | dr32(MacMode); | 850 | dr32(MacMode); |
851 | } | 851 | } |
852 | 852 | ||
853 | while (--work > 0) { | 853 | /* wait until in-flight frame completes. |
854 | * Max time @ 10BT: 1500*8b/10Mbps == 1200us (+ 100us margin) | ||
855 | * Typically expect this loop to end in < 50 us on 100BT. | ||
856 | */ | ||
857 | while (--i) { | ||
854 | if (!de_is_running(de)) | 858 | if (!de_is_running(de)) |
855 | return; | 859 | return; |
856 | cpu_relax(); | 860 | udelay(100); |
857 | } | 861 | } |
858 | 862 | ||
859 | printk(KERN_WARNING "%s: timeout expired stopping DMA\n", de->dev->name); | 863 | printk(KERN_WARNING "%s: timeout expired stopping DMA\n", de->dev->name); |