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>
This commit is contained in:
Reinette Chatre 2009-03-11 11:18:00 -07:00 committed by John W. Linville
parent 48676eb3c3
commit 18d426c4a8

View file

@ -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) static inline int _iwl_grab_nic_access(struct iwl_priv *priv)
{ {
int ret; int ret;
u32 val;
#ifdef CONFIG_IWLWIFI_DEBUG #ifdef CONFIG_IWLWIFI_DEBUG
if (atomic_read(&priv->restrict_refcnt)) if (atomic_read(&priv->restrict_refcnt))
return 0; 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_MAC_CLOCK_READY |
CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000); CSR_GP_CNTRL_REG_FLAG_GOING_TO_SLEEP), 15000);
if (ret < 0) { 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; return -EIO;
} }