wil6210: clear PAL_UNIT_ICR part of device reset

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@qca.qualcomm.com>
Signed-off-by: Maya Erez <qca_merez@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>

diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c
index 927e332893f1409ea69a2cb0f8c8a636776b5e8c..bac829aa950d5e4019e90b5ee247d9d5cb8267bb 100644 (file)
--- 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 a8c2680e70b4eb6c1a8550b9d8a044ffdcf9d443..315ec8b5966285e7917bd529eea6f4c2c1b8a8c0 100644 (file)
--- 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 */