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-rw-r--r--drivers/net/wireless/iwlwifi/iwl-prph.h7
-rw-r--r--drivers/net/wireless/iwlwifi/pcie/trans.c6
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h
index 100bd0d79681..fc3b6bee7734 100644
--- a/drivers/net/wireless/iwlwifi/iwl-prph.h
+++ b/drivers/net/wireless/iwlwifi/iwl-prph.h
@@ -105,6 +105,13 @@
/* Device NMI register */
#define DEVICE_SET_NMI_REG 0x00a01c30
+/*
+ * Device reset for family 8000
+ * write to bit 24 in order to reset the CPU
+*/
+#define RELEASE_CPU_RESET (0x300C)
+#define RELEASE_CPU_RESET_BIT BIT(24)
+
/*****************************************************************************
* 7000/3000 series SHR DTS addresses *
*****************************************************************************/
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index f7e85d319299..53a34573f0f0 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -573,6 +573,12 @@ static int iwl_pcie_load_given_ucode(struct iwl_trans *trans,
}
}
+ /* release CPU reset */
+ if (trans->cfg->device_family == IWL_DEVICE_FAMILY_8000)
+ iwl_write_prph(trans, RELEASE_CPU_RESET, RELEASE_CPU_RESET_BIT);
+ else
+ iwl_write32(trans, CSR_RESET, 0);
+
return 0;
}