Merge ath-current from git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git
ath.git fixes for 5.1. Major changes:
ath10k
* fix locking problem with crashdump
* fix warnings during suspend and resume
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index 24b983e..eca87f7 100644
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -1855,7 +1855,7 @@
struct ath10k_ce_crash_data ce_data;
u32 addr, id;
- lockdep_assert_held(&ar->data_lock);
+ lockdep_assert_held(&ar->dump_mutex);
ath10k_err(ar, "Copy Engine register dump:\n");
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index 835b8de..aff5856 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -3119,6 +3119,7 @@
goto err_free_wq;
mutex_init(&ar->conf_mutex);
+ mutex_init(&ar->dump_mutex);
spin_lock_init(&ar->data_lock);
INIT_LIST_HEAD(&ar->peers);
diff --git a/drivers/net/wireless/ath/ath10k/core.h b/drivers/net/wireless/ath/ath10k/core.h
index e08a17b..e35aae5 100644
--- a/drivers/net/wireless/ath/ath10k/core.h
+++ b/drivers/net/wireless/ath/ath10k/core.h
@@ -1063,6 +1063,9 @@
/* prevents concurrent FW reconfiguration */
struct mutex conf_mutex;
+ /* protects coredump data */
+ struct mutex dump_mutex;
+
/* protects shared structure data */
spinlock_t data_lock;
diff --git a/drivers/net/wireless/ath/ath10k/coredump.c b/drivers/net/wireless/ath/ath10k/coredump.c
index 33838d9..45a355f 100644
--- a/drivers/net/wireless/ath/ath10k/coredump.c
+++ b/drivers/net/wireless/ath/ath10k/coredump.c
@@ -1102,7 +1102,7 @@
{
struct ath10k_fw_crash_data *crash_data = ar->coredump.fw_crash_data;
- lockdep_assert_held(&ar->data_lock);
+ lockdep_assert_held(&ar->dump_mutex);
if (ath10k_coredump_mask == 0)
/* coredump disabled */
@@ -1146,7 +1146,7 @@
if (!buf)
return NULL;
- spin_lock_bh(&ar->data_lock);
+ mutex_lock(&ar->dump_mutex);
dump_data = (struct ath10k_dump_file_data *)(buf);
strlcpy(dump_data->df_magic, "ATH10K-FW-DUMP",
@@ -1213,7 +1213,7 @@
sofar += sizeof(*dump_tlv) + crash_data->ramdump_buf_len;
}
- spin_unlock_bh(&ar->data_lock);
+ mutex_unlock(&ar->dump_mutex);
return dump_data;
}
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 41e89db..9c703d2 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -5774,7 +5774,7 @@
}
if (changed & BSS_CHANGED_MCAST_RATE &&
- !WARN_ON(ath10k_mac_vif_chan(arvif->vif, &def))) {
+ !ath10k_mac_vif_chan(arvif->vif, &def)) {
band = def.chan->band;
rateidx = vif->bss_conf.mcast_rate[band] - 1;
@@ -5812,7 +5812,7 @@
}
if (changed & BSS_CHANGED_BASIC_RATES) {
- if (WARN_ON(ath10k_mac_vif_chan(vif, &def))) {
+ if (ath10k_mac_vif_chan(vif, &def)) {
mutex_unlock(&ar->conf_mutex);
return;
}
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 271f92c..2c27f40 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -1441,7 +1441,7 @@
__le32 reg_dump_values[REG_DUMP_COUNT_QCA988X] = {};
int i, ret;
- lockdep_assert_held(&ar->data_lock);
+ lockdep_assert_held(&ar->dump_mutex);
ret = ath10k_pci_diag_read_hi(ar, ®_dump_values[0],
hi_failure_state,
@@ -1656,7 +1656,7 @@
int ret, i;
u8 *buf;
- lockdep_assert_held(&ar->data_lock);
+ lockdep_assert_held(&ar->dump_mutex);
if (!crash_data)
return;
@@ -1734,14 +1734,19 @@
}
}
-static void ath10k_pci_fw_crashed_dump(struct ath10k *ar)
+static void ath10k_pci_fw_dump_work(struct work_struct *work)
{
+ struct ath10k_pci *ar_pci = container_of(work, struct ath10k_pci,
+ dump_work);
struct ath10k_fw_crash_data *crash_data;
+ struct ath10k *ar = ar_pci->ar;
char guid[UUID_STRING_LEN + 1];
- spin_lock_bh(&ar->data_lock);
+ mutex_lock(&ar->dump_mutex);
+ spin_lock_bh(&ar->data_lock);
ar->stats.fw_crash_counter++;
+ spin_unlock_bh(&ar->data_lock);
crash_data = ath10k_coredump_new(ar);
@@ -1756,11 +1761,18 @@
ath10k_ce_dump_registers(ar, crash_data);
ath10k_pci_dump_memory(ar, crash_data);
- spin_unlock_bh(&ar->data_lock);
+ mutex_unlock(&ar->dump_mutex);
queue_work(ar->workqueue, &ar->restart_work);
}
+static void ath10k_pci_fw_crashed_dump(struct ath10k *ar)
+{
+ struct ath10k_pci *ar_pci = ath10k_pci_priv(ar);
+
+ queue_work(ar->workqueue, &ar_pci->dump_work);
+}
+
void ath10k_pci_hif_send_complete_check(struct ath10k *ar, u8 pipe,
int force)
{
@@ -3442,6 +3454,8 @@
spin_lock_init(&ar_pci->ps_lock);
mutex_init(&ar_pci->ce_diag_mutex);
+ INIT_WORK(&ar_pci->dump_work, ath10k_pci_fw_dump_work);
+
timer_setup(&ar_pci->rx_post_retry, ath10k_pci_rx_replenish_retry, 0);
if (QCA_REV_6174(ar) || QCA_REV_9377(ar))
diff --git a/drivers/net/wireless/ath/ath10k/pci.h b/drivers/net/wireless/ath/ath10k/pci.h
index 3773c79..4455ed6c5 100644
--- a/drivers/net/wireless/ath/ath10k/pci.h
+++ b/drivers/net/wireless/ath/ath10k/pci.h
@@ -121,6 +121,8 @@
/* For protecting ce_diag */
struct mutex ce_diag_mutex;
+ struct work_struct dump_work;
+
struct ath10k_ce ce;
struct timer_list rx_post_retry;
