During SSR after memory dump collection,BT controller will be powered off,
powered on and then FW will be downloaded.During suspend if BT controller
is powered off due to SSR then we should wait until SSR is completed and
then suspend.
Fixes: 2be43abac5a8 ("Bluetooth: hci_qca: Wait for timeout during suspend")
Signed-off-by: Venkata Lakshmi Narayana Gubba <gubbaven@xxxxxxxxxxxxxx>
---
drivers/bluetooth/hci_qca.c | 16 +++++++++-------
1 file changed, 9 insertions(+), 7 deletions(-)
diff --git a/drivers/bluetooth/hci_qca.c b/drivers/bluetooth/hci_qca.c
index 4a96368..6ad4079 100644
--- a/drivers/bluetooth/hci_qca.c
+++ b/drivers/bluetooth/hci_qca.c
@@ -50,7 +50,8 @@
#define IBS_HOST_TX_IDLE_TIMEOUT_MS 2000
#define CMD_TRANS_TIMEOUT_MS 100
#define MEMDUMP_TIMEOUT_MS 8000
-#define IBS_DISABLE_SSR_TIMEOUT_MS (MEMDUMP_TIMEOUT_MS + 1000)
+#define IBS_DISABLE_SSR_TIMEOUT_MS \
+ (MEMDUMP_TIMEOUT_MS + FW_DOWNLOAD_TIMEOUT_MS)
#define FW_DOWNLOAD_TIMEOUT_MS 3000
/* susclk rate */
@@ -2100,7 +2101,12 @@ static int __maybe_unused qca_suspend(struct device *dev)
set_bit(QCA_SUSPENDING, &qca->flags);
- if (test_bit(QCA_BT_OFF, &qca->flags))
+ /* During SSR after memory dump collection, controller will be
+ * powered off and then powered on.If controller is powered off
+ * during SSR then we should wait until SSR is completed.
+ */
+ if (test_bit(QCA_BT_OFF, &qca->flags) &&
+ !test_bit(QCA_SSR_TRIGGERED, &qca->flags))
return 0;
if (test_bit(QCA_IBS_DISABLED, &qca->flags)) {
@@ -2110,7 +2116,7 @@ static int __maybe_unused qca_suspend(struct device *dev)
/* QCA_IBS_DISABLED flag is set to true, During FW download
* and during memory dump collection. It is reset to false,
- * After FW download complete and after memory dump collections.
+ * After FW download complete.
*/
wait_on_bit_timeout(&qca->flags, QCA_IBS_DISABLED,
TASK_UNINTERRUPTIBLE, msecs_to_jiffies(wait_timeout));
@@ -2122,10 +2128,6 @@ static int __maybe_unused qca_suspend(struct device *dev)
}
}
- /* After memory dump collection, Controller is powered off.*/
- if (test_bit(QCA_BT_OFF, &qca->flags))
- return 0;
-
cancel_work_sync(&qca->ws_awake_device);
cancel_work_sync(&qca->ws_awake_rx);
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
