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iwlwifi: mvm: fix debug print in the RSA ownership workaround

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The semaphore may not be accessible. Fix the debug prints
accordingly.

Signed-off-by: Eran Harary <eran.harary@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
This commit is contained in:
Eran Harary 2015-03-19 13:01:07 +02:00 committed by Emmanuel Grumbach
parent 5d42e7b2a3
commit 1e16707166
1 changed files with 7 additions and 3 deletions
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10
drivers/net/wireless/iwlwifi/pcie/trans.c
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@ -691,11 +691,15 @@ static int iwl_pcie_rsa_race_bug_wa(struct iwl_trans *trans)
{
u32 val, loop = 1000;
/* Check the RSA semaphore is accessible - if not, we are in trouble */
/*
* Check the RSA semaphore is accessible.
* If the HW isn't locked and the rsa semaphore isn't accessible,
* we are in trouble.
*/
val = iwl_read_prph(trans, PREG_AUX_BUS_WPROT_0);
if (val & (BIT(1) | BIT(17))) {
IWL_ERR(trans,
"can't access the RSA semaphore it is write protected\n");
IWL_INFO(trans,
"can't access the RSA semaphore it is write protected\n");
return 0;
}