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Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.h35
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.h35
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h6
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-hcmd.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c8
6 files changed, 52 insertions, 48 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h
index d7ccf13b875d..ac1226946aa6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.h
@@ -401,23 +401,24 @@ struct iwl3945_rx_queue {
#define MIN_B_CHANNELS 1
#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
-#define STATUS_INT_ENABLED 1
-#define STATUS_RF_KILL_HW 2
-#define STATUS_RF_KILL_SW 3
-#define STATUS_INIT 4
-#define STATUS_ALIVE 5
-#define STATUS_READY 6
-#define STATUS_TEMPERATURE 7
-#define STATUS_GEO_CONFIGURED 8
-#define STATUS_EXIT_PENDING 9
-#define STATUS_IN_SUSPEND 10
-#define STATUS_STATISTICS 11
-#define STATUS_SCANNING 12
-#define STATUS_SCAN_ABORTING 13
-#define STATUS_SCAN_HW 14
-#define STATUS_POWER_PMI 15
-#define STATUS_FW_ERROR 16
-#define STATUS_CONF_PENDING 17
+#define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
+#define STATUS_INT_ENABLED 2
+#define STATUS_RF_KILL_HW 3
+#define STATUS_RF_KILL_SW 4
+#define STATUS_INIT 5
+#define STATUS_ALIVE 6
+#define STATUS_READY 7
+#define STATUS_TEMPERATURE 8
+#define STATUS_GEO_CONFIGURED 9
+#define STATUS_EXIT_PENDING 10
+#define STATUS_IN_SUSPEND 11
+#define STATUS_STATISTICS 12
+#define STATUS_SCANNING 13
+#define STATUS_SCAN_ABORTING 14
+#define STATUS_SCAN_HW 15
+#define STATUS_POWER_PMI 16
+#define STATUS_FW_ERROR 17
+#define STATUS_CONF_PENDING 18
#define MAX_TID_COUNT 9
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index add6311393d3..51a144914cfa 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -1314,8 +1314,8 @@ void iwl4965_chain_noise_reset(struct iwl_priv *priv)
cmd.diff_gain_a = 0;
cmd.diff_gain_b = 0;
cmd.diff_gain_c = 0;
- iwl_send_cmd_pdu(priv, REPLY_PHY_CALIBRATION_CMD,
- sizeof(cmd), &cmd);
+ iwl_send_cmd_pdu_async(priv, REPLY_PHY_CALIBRATION_CMD,
+ sizeof(cmd), &cmd, NULL);
msleep(4);
data->state = IWL_CHAIN_NOISE_ACCUMULATE;
IWL_DEBUG_CALIB("Run chain_noise_calibrate\n");
@@ -4563,8 +4563,8 @@ void iwl4965_add_station(struct iwl_priv *priv, const u8 *addr, int is_ap)
/* Update the rate scaling for control frame Tx to AP */
link_cmd.sta_id = is_ap ? IWL_AP_ID : priv->hw_setting.bcast_sta_id;
- iwl_send_cmd_pdu(priv, REPLY_TX_LINK_QUALITY_CMD, sizeof(link_cmd),
- &link_cmd);
+ iwl_send_cmd_pdu_async(priv, REPLY_TX_LINK_QUALITY_CMD,
+ sizeof(link_cmd), &link_cmd, NULL);
}
#ifdef CONFIG_IWL4965_HT
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h
index ca864fa65ca4..8c14e9a87c14 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -415,23 +415,24 @@ struct iwl4965_rx_queue {
#define MIN_B_CHANNELS 1
#define STATUS_HCMD_ACTIVE 0 /* host command in progress */
-#define STATUS_INT_ENABLED 1
-#define STATUS_RF_KILL_HW 2
-#define STATUS_RF_KILL_SW 3
-#define STATUS_INIT 4
-#define STATUS_ALIVE 5
-#define STATUS_READY 6
-#define STATUS_TEMPERATURE 7
-#define STATUS_GEO_CONFIGURED 8
-#define STATUS_EXIT_PENDING 9
-#define STATUS_IN_SUSPEND 10
-#define STATUS_STATISTICS 11
-#define STATUS_SCANNING 12
-#define STATUS_SCAN_ABORTING 13
-#define STATUS_SCAN_HW 14
-#define STATUS_POWER_PMI 15
-#define STATUS_FW_ERROR 16
-#define STATUS_CONF_PENDING 17
+#define STATUS_HCMD_SYNC_ACTIVE 1 /* sync host command in progress */
+#define STATUS_INT_ENABLED 2
+#define STATUS_RF_KILL_HW 3
+#define STATUS_RF_KILL_SW 4
+#define STATUS_INIT 5
+#define STATUS_ALIVE 6
+#define STATUS_READY 7
+#define STATUS_TEMPERATURE 8
+#define STATUS_GEO_CONFIGURED 9
+#define STATUS_EXIT_PENDING 10
+#define STATUS_IN_SUSPEND 11
+#define STATUS_STATISTICS 12
+#define STATUS_SCANNING 13
+#define STATUS_SCAN_ABORTING 14
+#define STATUS_SCAN_HW 15
+#define STATUS_POWER_PMI 16
+#define STATUS_FW_ERROR 17
+#define STATUS_CONF_PENDING 18
#define MAX_TID_COUNT 9
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 5efafe1a1d86..64f4df53986c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -138,9 +138,11 @@ int iwl_setup(struct iwl_priv *priv);
*****************************************************/
const char *get_cmd_string(u8 cmd);
-int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
+int __must_check iwl_send_cmd_sync(struct iwl_priv *priv,
+ struct iwl_host_cmd *cmd);
int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
-int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data);
+int __must_check iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id,
+ u16 len, const void *data);
int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
const void *data,
int (*callback)(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 51c9949633e3..1f8c2999805b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -151,17 +151,17 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
{
int cmd_idx;
int ret;
- static atomic_t entry = ATOMIC_INIT(0); /* reentrance protection */
BUG_ON(cmd->meta.flags & CMD_ASYNC);
/* A synchronous command can not have a callback set. */
BUG_ON(cmd->meta.u.callback != NULL);
- if (atomic_xchg(&entry, 1)) {
+ if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) {
IWL_ERROR("Error sending %s: Already sending a host command\n",
get_cmd_string(cmd->id));
- return -EBUSY;
+ ret = -EBUSY;
+ goto out;
}
set_bit(STATUS_HCMD_ACTIVE, &priv->status);
@@ -231,7 +231,7 @@ fail:
cmd->meta.u.skb = NULL;
}
out:
- atomic_set(&entry, 0);
+ clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status);
return ret;
}
EXPORT_SYMBOL(iwl_send_cmd_sync);
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 8c2036850c89..51480a4920e8 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -733,17 +733,17 @@ static int iwl3945_send_cmd_sync(struct iwl3945_priv *priv, struct iwl3945_host_
{
int cmd_idx;
int ret;
- static atomic_t entry = ATOMIC_INIT(0); /* reentrance protection */
BUG_ON(cmd->meta.flags & CMD_ASYNC);
/* A synchronous command can not have a callback set. */
BUG_ON(cmd->meta.u.callback != NULL);
- if (atomic_xchg(&entry, 1)) {
+ if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) {
IWL_ERROR("Error sending %s: Already sending a host command\n",
get_cmd_string(cmd->id));
- return -EBUSY;
+ ret = -EBUSY;
+ goto out;
}
set_bit(STATUS_HCMD_ACTIVE, &priv->status);
@@ -813,7 +813,7 @@ fail:
cmd->meta.u.skb = NULL;
}
out:
- atomic_set(&entry, 0);
+ clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status);
return ret;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-12 08:01:07 +0000