Clear the FW and ucode log address on device initialization to allow
user space app identify when the address was set by FW/ucode and it can
start read.
Signed-off-by: Tzahi Sabo <stzahi@xxxxxxxxxxxxxx>
Signed-off-by: Maya Erez <merez@xxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/main.c | 15 +++++++++++++++
drivers/net/wireless/ath/wil6210/pcie_bus.c | 1 +
drivers/net/wireless/ath/wil6210/wil6210.h | 1 +
3 files changed, 17 insertions(+)
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 3c30076..f7b9e6b 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -1522,6 +1522,7 @@ int wil_ps_update(struct wil6210_priv *wil, enum wmi_ps_profile_type ps_profile)
static void wil_pre_fw_config(struct wil6210_priv *wil)
{
+ wil_clear_fw_log_addr(wil);
/* Mark FW as loaded from host */
wil_s(wil, RGF_USER_USAGE_6, 1);
@@ -1579,6 +1580,20 @@ static int wil_restore_vifs(struct wil6210_priv *wil)
}
/*
+ * Clear FW and ucode log start addr to indicate FW log is not ready. The host
+ * driver clears the addresses before FW starts and FW initializes the address
+ * when it is ready to send logs.
+ */
+void wil_clear_fw_log_addr(struct wil6210_priv *wil)
+{
+ /* FW log addr */
+ wil_w(wil, RGF_USER_USAGE_1, 0);
+ /* ucode log addr */
+ wil_w(wil, RGF_USER_USAGE_2, 0);
+ wil_dbg_misc(wil, "Cleared FW and ucode log address");
+}
+
+/*
* We reset all the structures, and we reset the UMAC.
* After calling this routine, you're expected to reload
* the firmware.
diff --git a/drivers/net/wireless/ath/wil6210/pcie_bus.c b/drivers/net/wireless/ath/wil6210/pcie_bus.c
index 4e2d922..9f5a914 100644
--- a/drivers/net/wireless/ath/wil6210/pcie_bus.c
+++ b/drivers/net/wireless/ath/wil6210/pcie_bus.c
@@ -420,6 +420,7 @@ static int wil_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
/* rollback to bus_disable */
+ wil_clear_fw_log_addr(wil);
rc = wil_if_add(wil);
if (rc) {
wil_err(wil, "wil_if_add failed: %d\n", rc);
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index 75abec2..afbc524 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -1425,4 +1425,5 @@ int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid,
void update_supported_bands(struct wil6210_priv *wil);
+void wil_clear_fw_log_addr(struct wil6210_priv *wil);
#endif /* __WIL6210_H__ */
--
1.9.1
