This patch restores a couple of workarounds from 2.6.16:
* restart transmit moderation timer in case it expires during IRQ routine
* default to having 10 HZ watchdog timer.
At this point it more important not to hang than to worry about the
power cost.
Signed-off-by: Stephen Hemminger <[EMAIL PROTECTED]>
Cc: Jeff Garzik <[EMAIL PROTECTED]>
Signed-off-by: Chris Wright <[EMAIL PROTECTED]>
Signed-off-by: Greg Kroah-Hartman <[EMAIL PROTECTED]>
---
drivers/net/sky2.c | 9 ++++++++-
1 files changed, 8 insertions(+), 1 deletions(-)
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 38e75cf..aec8c59 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -95,7 +95,7 @@ static int disable_msi = 0;
module_param(disable_msi, int, 0);
MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
-static int idle_timeout = 0;
+static int idle_timeout = 100;
module_param(idle_timeout, int, 0);
MODULE_PARM_DESC(idle_timeout, "Watchdog timer for lost interrupts (ms)");
@@ -2341,6 +2341,13 @@ static int sky2_poll(struct net_device *dev0, int
*budget)
work_done = sky2_status_intr(hw, work_limit);
if (work_done < work_limit) {
+ /* Bug/Errata workaround?
+ * Need to kick the TX irq moderation timer.
+ */
+ if (sky2_read8(hw, STAT_TX_TIMER_CTRL) == TIM_START) {
+ sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_STOP);
+ sky2_write8(hw, STAT_TX_TIMER_CTRL, TIM_START);
+ }
netif_rx_complete(dev0);
sky2_read32(hw, B0_Y2_SP_LISR);
--
1.5.2.4
--
-
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