* [PATCH] ath11k: fix "rmmod ath11k_pci" failure after QMI sequence fails
@ 2020-11-20 2:00 Baochen Qiang
2020-12-09 6:59 ` Kalle Valo
0 siblings, 1 reply; 2+ messages in thread
From: Baochen Qiang @ 2020-11-20 2:00 UTC (permalink / raw)
To: ath11k; +Cc: linux-wireless
If board.bin file is missing, QMI sequence fails,
which results in failure of "rmmod ath11k_pci".
This patch fixes this issue.
Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01230-QCAHSTSWPLZ_V2_TO_X86-1
Signed-off-by: Baochen Qiang <bqiang@codeaurora.org>
---
drivers/net/wireless/ath/ath11k/core.h | 3 ++-
drivers/net/wireless/ath/ath11k/debug.c | 1 +
drivers/net/wireless/ath/ath11k/pci.c | 9 +++++++
drivers/net/wireless/ath/ath11k/qmi.c | 35 ++++++++++++++++---------
4 files changed, 35 insertions(+), 13 deletions(-)
diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index 11448755c06d..2ddf690a9d21 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -188,7 +188,8 @@ enum ath11k_dev_flags {
ATH11K_FLAG_REGISTERED,
ATH11K_FLAG_FW_RESTART_FOR_HOST,
ATH11K_FLAG_CORE_STOPPED,
- ATH11K_FLAG_CORE_STARTING
+ ATH11K_FLAG_CORE_STARTING,
+ ATH11K_FLAG_QMI_FAIL,
};
enum ath11k_monitor_flags {
diff --git a/drivers/net/wireless/ath/ath11k/debug.c b/drivers/net/wireless/ath/ath11k/debug.c
index 51226a4ec50f..ef8b3a88d342 100644
--- a/drivers/net/wireless/ath/ath11k/debug.c
+++ b/drivers/net/wireless/ath/ath11k/debug.c
@@ -1072,6 +1072,7 @@ void ath11k_debug_soc_destroy(struct ath11k_base *ab)
debugfs_remove_recursive(ab->debugfs_ath11k);
ab->debugfs_ath11k = NULL;
}
+EXPORT_SYMBOL(ath11k_debug_soc_destroy);
void ath11k_debug_fw_stats_init(struct ath11k *ar)
{
diff --git a/drivers/net/wireless/ath/ath11k/pci.c b/drivers/net/wireless/ath/ath11k/pci.c
index 43a8bffc4ba0..b59741796ac2 100644
--- a/drivers/net/wireless/ath/ath11k/pci.c
+++ b/drivers/net/wireless/ath/ath11k/pci.c
@@ -1184,7 +1184,16 @@ static void ath11k_pci_remove(struct pci_dev *pdev)
cancel_work_sync(&ab->update_11d_work);
cancel_work_sync(&ab->rfkill_work);
cancel_work_sync(&ab->reset_work);
+
+ if (test_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags)) {
+ ath11k_hif_power_down(ab);
+ ath11k_debug_soc_destroy(ab);
+ ath11k_qmi_deinit_service(ab);
+ goto qmi_fail;
+ }
+
ath11k_core_deinit(ab);
+qmi_fail:
ath11k_mhi_unregister(ab_pci);
ath11k_pci_free_irq(ab);
diff --git a/drivers/net/wireless/ath/ath11k/qmi.c b/drivers/net/wireless/ath/ath11k/qmi.c
index 83a083a2d097..075fd94d92df 100644
--- a/drivers/net/wireless/ath/ath11k/qmi.c
+++ b/drivers/net/wireless/ath/ath11k/qmi.c
@@ -2501,7 +2501,7 @@ ath11k_qmi_driver_event_post(struct ath11k_qmi *qmi,
return 0;
}
-static void ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi)
+static int ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi)
{
struct ath11k_base *ab = qmi->ab;
int ret;
@@ -2509,17 +2509,19 @@ static void ath11k_qmi_event_server_arrive(struct ath11k_qmi *qmi)
ret = ath11k_qmi_fw_ind_register_send(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to send FW indication QMI:%d\n", ret);
- return;
+ return ret;
}
ret = ath11k_qmi_host_cap_send(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to send host cap QMI:%d\n", ret);
- return;
+ return ret;
}
+
+ return 0;
}
-static void ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi)
+static int ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi)
{
struct ath11k_base *ab = qmi->ab;
int ret;
@@ -2527,11 +2529,13 @@ static void ath11k_qmi_event_mem_request(struct ath11k_qmi *qmi)
ret = ath11k_qmi_respond_fw_mem_request(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to respond fw mem req:%d\n", ret);
- return;
+ return ret;
}
+
+ return 0;
}
-static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi)
+static int ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi)
{
struct ath11k_base *ab = qmi->ab;
int ret;
@@ -2539,7 +2543,7 @@ static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi)
ret = ath11k_qmi_request_target_cap(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to req target capabilities:%d\n", ret);
- return;
+ return ret;
}
if (ab->bus_params.fixed_bdf_addr) {
@@ -2551,14 +2555,16 @@ static void ath11k_qmi_event_load_bdf(struct ath11k_qmi *qmi)
if (ret < 0) {
ath11k_warn(ab, "qmi failed to load board data file:%d\n", ret);
- return;
+ return ret;
}
ret = ath11k_qmi_wlanfw_m3_info_send(ab);
if (ret < 0) {
ath11k_warn(ab, "qmi failed to send m3 info req:%d\n", ret);
- return;
+ return ret;
}
+
+ return 0;
}
static void ath11k_qmi_msg_mem_request_cb(struct qmi_handle *qmi_hdl,
@@ -2715,6 +2721,7 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
event_work);
struct ath11k_qmi_driver_event *event;
struct ath11k_base *ab = qmi->ab;
+ int ret = 0;
spin_lock(&qmi->event_lock);
while (!list_empty(&qmi->event_list)) {
@@ -2730,17 +2737,17 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
switch (event->type) {
case ATH11K_QMI_EVENT_SERVER_ARRIVE:
- ath11k_qmi_event_server_arrive(qmi);
+ ret = ath11k_qmi_event_server_arrive(qmi);
break;
case ATH11K_QMI_EVENT_SERVER_EXIT:
set_bit(ATH11K_FLAG_CRASH_FLUSH, &ab->dev_flags);
set_bit(ATH11K_FLAG_RECOVERY, &ab->dev_flags);
break;
case ATH11K_QMI_EVENT_REQUEST_MEM:
- ath11k_qmi_event_mem_request(qmi);
+ ret = ath11k_qmi_event_mem_request(qmi);
break;
case ATH11K_QMI_EVENT_FW_MEM_READY:
- ath11k_qmi_event_load_bdf(qmi);
+ ret = ath11k_qmi_event_load_bdf(qmi);
break;
case ATH11K_QMI_EVENT_FW_READY:
if (test_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags) &&
@@ -2762,6 +2769,7 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
ath11k_core_qmi_firmware_ready(ab);
ab->qmi.cal_done = 1;
set_bit(ATH11K_FLAG_REGISTERED, &ab->dev_flags);
+ clear_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags);
break;
case ATH11K_QMI_EVENT_COLD_BOOT_CAL_DONE:
@@ -2771,6 +2779,8 @@ static void ath11k_qmi_driver_event_work(struct work_struct *work)
break;
}
kfree(event);
+ if (ret < 0)
+ set_bit(ATH11K_FLAG_QMI_FAIL, &ab->dev_flags);
spin_lock(&qmi->event_lock);
}
spin_unlock(&qmi->event_lock);
@@ -2831,4 +2841,5 @@ void ath11k_qmi_deinit_service(struct ath11k_base *ab)
destroy_workqueue(ab->qmi.event_wq);
ath11k_qmi_free_resource(ab);
}
+EXPORT_SYMBOL(ath11k_qmi_deinit_service);
--
2.25.1
--
ath11k mailing list
ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] ath11k: fix "rmmod ath11k_pci" failure after QMI sequence fails
2020-11-20 2:00 [PATCH] ath11k: fix "rmmod ath11k_pci" failure after QMI sequence fails Baochen Qiang
@ 2020-12-09 6:59 ` Kalle Valo
0 siblings, 0 replies; 2+ messages in thread
From: Kalle Valo @ 2020-12-09 6:59 UTC (permalink / raw)
To: Baochen Qiang; +Cc: linux-wireless, ath11k
Baochen Qiang <bqiang@codeaurora.org> wrote:
> If board.bin file is missing, QMI sequence fails,
> which results in failure of "rmmod ath11k_pci".
> This patch fixes this issue.
>
> Tested-on: QCA6390 hw2.0 PCI WLAN.HST.1.0.1-01230-QCAHSTSWPLZ_V2_TO_X86-1
> Signed-off-by: Baochen Qiang <bqiang@codeaurora.org>
Anil submitted an identical patch:
https://patchwork.kernel.org/project/linux-wireless/patch/1606916215-24643-1-git-send-email-akolli@codeaurora.org/
Patch set to Superseded.
--
https://patchwork.kernel.org/project/linux-wireless/patch/20201120020028.12063-1-bqiang@codeaurora.org/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
--
ath11k mailing list
ath11k@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/ath11k
^ permalink raw reply [flat|nested] 2+ messages in thread
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2020-12-09 6:59 ` Kalle Valo
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