From: Luca Coelho <luciano.coelho@xxxxxxxxx>
This workaround is not needed anymore. Remove it.
Signed-off-by: Luca Coelho <luciano.coelho@xxxxxxxxx>
---
drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 46 -------------------------
1 file changed, 46 deletions(-)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
index ed1034e58cb4..91f6030529b3 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c
@@ -720,47 +720,6 @@ static int iwl_pcie_load_section(struct iwl_trans *trans, u8 section_num,
return ret;
}
-/*
- * Driver Takes the ownership on secure machine before FW load
- * and prevent race with the BT load.
- * W/A for ROM bug. (should be remove in the next Si step)
- */
-static int iwl_pcie_rsa_race_bug_wa(struct iwl_trans *trans)
-{
- u32 val, loop = 1000;
-
- /*
- * 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_DEBUG_INFO(trans,
- "can't access the RSA semaphore it is write protected\n");
- return 0;
- }
-
- /* take ownership on the AUX IF */
- iwl_write_prph(trans, WFPM_CTRL_REG, WFPM_AUX_CTL_AUX_IF_MAC_OWNER_MSK);
- iwl_write_prph(trans, AUX_MISC_MASTER1_EN, AUX_MISC_MASTER1_EN_SBE_MSK);
-
- do {
- iwl_write_prph(trans, AUX_MISC_MASTER1_SMPHR_STATUS, 0x1);
- val = iwl_read_prph(trans, AUX_MISC_MASTER1_SMPHR_STATUS);
- if (val == 0x1) {
- iwl_write_prph(trans, RSA_ENABLE, 0);
- return 0;
- }
-
- udelay(10);
- loop--;
- } while (loop > 0);
-
- IWL_ERR(trans, "Failed to take ownership on secure machine\n");
- return -EIO;
-}
-
static int iwl_pcie_load_cpu_sections_8000(struct iwl_trans *trans,
const struct fw_img *image,
int cpu,
@@ -1010,11 +969,6 @@ static int iwl_pcie_load_given_ucode_8000(struct iwl_trans *trans,
if (trans->dbg_dest_tlv)
iwl_pcie_apply_destination(trans);
- /* TODO: remove in the next Si step */
- ret = iwl_pcie_rsa_race_bug_wa(trans);
- if (ret)
- return ret;
-
IWL_DEBUG_POWER(trans, "Original WFPM value = 0x%08X\n",
iwl_read_prph(trans, WFPM_GP2));
--
2.11.0
