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Commit 18d426c4 authored by Reinette Chatre's avatar Reinette Chatre Committed by John W. Linville
Browse files

iwlwifi: print contents of control register when error occurs 



hopefully the register contents will guide us to why this failure occured

Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 48676eb3

drivers/net/wireless/iwlwifi/iwl-io.h

+3 −1
Original line number Diff line number Diff line
@@ -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;

	}