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authorReinette Chatre <reinette.chatre@intel.com>2009-03-11 11:18:00 -0700
committerJohn W. Linville <linville@tuxdriver.com>2009-03-16 18:09:47 -0400
commit18d426c4a8991d1d6c0dc33a62b610b8a6ffc1d2 (patch)
treed8d9c4d1a74e43001961f77991057cfca702acac /drivers/net/wireless/iwlwifi
parent48676eb3c3de9013de7d9a63fb8ffb70cd540d95 (diff)
iwlwifi: print contents of control register when error occurs
hopefully the register contents will guide us to why this failure occured Signed-off-by: Reinette Chatre <reinette.chatre@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-io.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-io.h b/drivers/net/wireless/iwlwifi/iwl-io.h
index c7b8e5bb4e4..083ea1ffbe8 100644
--- a/drivers/net/wireless/iwlwifi/iwl-io.h
+++ b/drivers/net/wireless/iwlwifi/iwl-io.h
@@ -156,6 +156,7 @@ static inline void __iwl_clear_bit(const char *f, u32 l,
static inline int _iwl_grab_nic_access(struct iwl_priv *priv)
{
int ret;
+ u32 val;
#ifdef CONFIG_IWLWIFI_DEBUG
if (atomic_read(&priv->restrict_refcnt))
return 0;
@@ -167,7 +168,8 @@ static inline int _iwl_grab_nic_access(struct iwl_priv *priv)
(CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY |
CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000);
if (ret < 0) {
- IWL_ERR(priv, "MAC is in deep sleep!\n");
+ val = _iwl_read32(priv, CSR_GP_CNTRL);
+ IWL_ERR(priv, "MAC is in deep sleep!. CSR_GP_CNTRL = 0x%08X\n", val);
return -EIO;
}