diff options
Diffstat (limited to 'abs/core/ipw3945/lockup.patch')
| -rw-r--r-- | abs/core/ipw3945/lockup.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/abs/core/ipw3945/lockup.patch b/abs/core/ipw3945/lockup.patch new file mode 100644 index 0000000..993fbbc --- /dev/null +++ b/abs/core/ipw3945/lockup.patch @@ -0,0 +1,31 @@ + +Fix potential driver lockup problem + +Since we have already store the inta to priv->isr_inta in the +interrupt handler we don't need to get it from the hardware again +in the tasklet. Some people find ipw3945-1.2.1 still didn't +resolve the boot lockup problem as reported in bugzilla #1096. + +If you still find the lockup problem in ipw3945-1.2.1, please try +this patch and report if it resolves your problem or not to +yi.zhu@intel.com. + +Thanks to Egon for providing this patch! + +Signed-off-by: Egon <anannatrak@yahoo.it> +Signed-off-by: Zhu Yi <yi.zhu@intel.com> +-- + +--- a/ipw3945.c 2007-04-11 14:46:58.000000000 +0800 ++++ b/ipw3945.c 2007-05-14 15:55:56.000000000 +0800 +@@ -2769,8 +2769,8 @@ static void ipw_irq_tasklet(struct ipw_p + + spin_lock_irqsave(&priv->lock, flags); + +- inta = ipw_read32(priv, CSR_INT); +- inta_mask = ipw_read32(priv, CSR_INT_MASK); ++ inta = 0; ++ inta_mask = 0; + ipw_write32(priv, CSR_INT, inta); + inta &= (CSR_INI_SET_MASK & inta_mask); + |