ath10k: increase pci wakeup timeout to 30 ms
It is noticed that pci wakeup time is exceeding current timeout (10ms)
randomly which is tested on QCA988x. So, the wake up time is increased
to 30 ms and added debug prints to log total timeout.
Signed-off-by: Maharaja Kennadyrajan <c_mkenna@qti.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 61df93e..7af3911 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -452,8 +452,12 @@
int curr_delay = 5;
while (tot_delay < PCIE_WAKE_TIMEOUT) {
- if (ath10k_pci_is_awake(ar))
+ if (ath10k_pci_is_awake(ar)) {
+ if (tot_delay > PCIE_WAKE_LATE_US)
+ ath10k_warn(ar, "device wakeup took %d ms which is unusally long, otherwise it works normally.\n",
+ tot_delay / 1000);
return 0;
+ }
udelay(curr_delay);
tot_delay += curr_delay;
diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h
index 8d364fb..54af2d7 100644
--- a/drivers/net/wireless/ath/ath10k/pci.h
+++ b/drivers/net/wireless/ath/ath10k/pci.h
@@ -230,7 +230,8 @@
#define ATH10K_PCI_RX_POST_RETRY_MS 50
#define ATH_PCI_RESET_WAIT_MAX 10 /* ms */
-#define PCIE_WAKE_TIMEOUT 10000 /* 10ms */
+#define PCIE_WAKE_TIMEOUT 30000 /* 30ms */
+#define PCIE_WAKE_LATE_US 10000 /* 10ms */
#define BAR_NUM 0