From: Dedy Lansky <qca_dlansky@xxxxxxxxxxxxxxxx>
When FW starts running it can get D0 to D3 interrupt that is a leftover
from previous system suspend while FW was not running.
As this interrupt is not relevant anymore, clear it part of device reset
procedure.
Signed-off-by: Dedy Lansky <qca_dlansky@xxxxxxxxxxxxxxxx>
Signed-off-by: Maya Erez <qca_merez@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/wil6210/main.c | 2 ++
drivers/net/wireless/ath/wil6210/wil6210.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 927e332..bac829a 100644
--- a/drivers/net/wireless/ath/wil6210/main.c
+++ b/drivers/net/wireless/ath/wil6210/main.c
@@ -943,6 +943,8 @@ static void wil_pre_fw_config(struct wil6210_priv *wil)
/* it is W1C, clear by writing back same value */
wil_s(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, ICR), 0);
wil_w(wil, RGF_CAF_ICR + offsetof(struct RGF_ICR, IMV), ~0);
+ /* clear PAL_UNIT_ICR (potential D0->D3 leftover) */
+ wil_s(wil, RGF_PAL_UNIT_ICR + offsetof(struct RGF_ICR, ICR), 0);
if (wil->fw_calib_result > 0) {
__le32 val = cpu_to_le32(wil->fw_calib_result |
diff --git a/drivers/net/wireless/ath/wil6210/wil6210.h b/drivers/net/wireless/ath/wil6210/wil6210.h
index a8c2680..315ec8b 100644
--- a/drivers/net/wireless/ath/wil6210/wil6210.h
+++ b/drivers/net/wireless/ath/wil6210/wil6210.h
@@ -268,6 +268,7 @@ struct RGF_ICR {
#define BIT_DMA_PSEUDO_CAUSE_MISC BIT(2)
#define RGF_HP_CTRL (0x88265c)
+#define RGF_PAL_UNIT_ICR (0x88266c) /* struct RGF_ICR */
#define RGF_PCIE_LOS_COUNTER_CTL (0x882dc4)
/* MAC timer, usec, for packet lifetime */
--
1.9.1
