diff options
| author | Reinette Chatre <reinette.chatre@intel.com> | 2009-03-11 11:18:00 -0700 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-03-16 18:09:47 -0400 |
| commit | 18d426c4a8991d1d6c0dc33a62b610b8a6ffc1d2 (patch) | |
| tree | d8d9c4d1a74e43001961f77991057cfca702acac /drivers/net | |
| parent | 48676eb3c3de9013de7d9a63fb8ffb70cd540d95 (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')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-io.h | 4 |
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; } |