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path: root/drivers/net/wireless/ath/ath10k/pci.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath10k/pci.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/pci.c29
1 files changed, 22 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 1e9806f57ee4..7ebfc409018d 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -101,7 +101,8 @@ static int ath10k_pci_init_irq(struct ath10k *ar);
static int ath10k_pci_deinit_irq(struct ath10k *ar);
static int ath10k_pci_request_irq(struct ath10k *ar);
static void ath10k_pci_free_irq(struct ath10k *ar);
-static int ath10k_pci_bmi_wait(struct ath10k_ce_pipe *tx_pipe,
+static int ath10k_pci_bmi_wait(struct ath10k *ar,
+ struct ath10k_ce_pipe *tx_pipe,
struct ath10k_ce_pipe *rx_pipe,
struct bmi_xfer *xfer);
static int ath10k_pci_qca99x0_chip_reset(struct ath10k *ar);
@@ -468,7 +469,7 @@ static int ath10k_pci_wake_wait(struct ath10k *ar)
while (tot_delay < PCIE_WAKE_TIMEOUT) {
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",
+ ath10k_warn(ar, "device wakeup took %d ms which is unusually long, otherwise it works normally.\n",
tot_delay / 1000);
return 0;
}
@@ -1846,7 +1847,7 @@ int ath10k_pci_hif_exchange_bmi_msg(struct ath10k *ar,
if (ret)
goto err_resp;
- ret = ath10k_pci_bmi_wait(ce_tx, ce_rx, &xfer);
+ ret = ath10k_pci_bmi_wait(ar, ce_tx, ce_rx, &xfer);
if (ret) {
u32 unused_buffer;
unsigned int unused_nbytes;
@@ -1913,23 +1914,37 @@ static void ath10k_pci_bmi_recv_data(struct ath10k_ce_pipe *ce_state)
xfer->rx_done = true;
}
-static int ath10k_pci_bmi_wait(struct ath10k_ce_pipe *tx_pipe,
+static int ath10k_pci_bmi_wait(struct ath10k *ar,
+ struct ath10k_ce_pipe *tx_pipe,
struct ath10k_ce_pipe *rx_pipe,
struct bmi_xfer *xfer)
{
unsigned long timeout = jiffies + BMI_COMMUNICATION_TIMEOUT_HZ;
+ unsigned long started = jiffies;
+ unsigned long dur;
+ int ret;
while (time_before_eq(jiffies, timeout)) {
ath10k_pci_bmi_send_done(tx_pipe);
ath10k_pci_bmi_recv_data(rx_pipe);
- if (xfer->tx_done && (xfer->rx_done == xfer->wait_for_resp))
- return 0;
+ if (xfer->tx_done && (xfer->rx_done == xfer->wait_for_resp)) {
+ ret = 0;
+ goto out;
+ }
schedule();
}
- return -ETIMEDOUT;
+ ret = -ETIMEDOUT;
+
+out:
+ dur = jiffies - started;
+ if (dur > HZ)
+ ath10k_dbg(ar, ATH10K_DBG_BMI,
+ "bmi cmd took %lu jiffies hz %d ret %d\n",
+ dur, HZ, ret);
+ return ret;
}
/*