Commit 2997494f authored Jul 24, 2013 by Emmanuel Grumbach Committed by Johannes Berg Jul 26, 2013

iwlwifi: pcie: reset the NIC before the bring up



This allows to clean all kinds of bad state it might be in.
This solves situation where HW RFkill was switched while
the NIC was offline.
Until now, we relied on the firmware to do clean the
interrupt, but new firmwares don't do that any more.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

parent bb963c4a

drivers/net/wireless/iwlwifi/pcie/trans.c

+5 −0

Original line number	Original line	Diff line number	Diff line
	@@ -670,6 +670,11 @@ static int iwl_trans_pcie_start_hw(struct iwl_trans *trans)
	return err;		return err;
	}		}

			/* Reset the entire device */
			iwl_set_bit(trans, CSR_RESET, CSR_RESET_REG_FLAG_SW_RESET);

			usleep_range(10, 15);

	iwl_pcie_apm_init(trans);		iwl_pcie_apm_init(trans);

	/* From now on, the op_mode will be kept updated about RF kill state */		/* From now on, the op_mode will be kept updated about RF kill state */