From 22450902e4a13479acf6f4e93475af7ca1829d92 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Thu, 28 Apr 2011 11:51:33 +0200 Subject: [PATCH] iwlegacy: remove sync_cmd_mutex We now use priv->mutex to serialize sync command, remove old priv->sync_cmd_mutex and add assertion that priv->mutex must be locked. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- drivers/net/wireless/iwlegacy/iwl-dev.h | 1 - drivers/net/wireless/iwlegacy/iwl-hcmd.c | 4 ++-- drivers/net/wireless/iwlegacy/iwl3945-base.c | 1 - drivers/net/wireless/iwlegacy/iwl4965-base.c | 1 - 4 files changed, 2 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/iwlegacy/iwl-dev.h b/drivers/net/wireless/iwlegacy/iwl-dev.h index df19d5c69e7f..2d87dba2cfa3 100644 --- a/drivers/net/wireless/iwlegacy/iwl-dev.h +++ b/drivers/net/wireless/iwlegacy/iwl-dev.h @@ -1077,7 +1077,6 @@ struct iwl_priv { spinlock_t hcmd_lock; /* protect hcmd */ spinlock_t reg_lock; /* protect hw register access */ struct mutex mutex; - struct mutex sync_cmd_mutex; /* enable serialization of sync commands */ /* basic pci-network driver stuff */ struct pci_dev *pci_dev; diff --git a/drivers/net/wireless/iwlegacy/iwl-hcmd.c b/drivers/net/wireless/iwlegacy/iwl-hcmd.c index 9d721cbda5bb..62b4b09122cb 100644 --- a/drivers/net/wireless/iwlegacy/iwl-hcmd.c +++ b/drivers/net/wireless/iwlegacy/iwl-hcmd.c @@ -145,6 +145,8 @@ int iwl_legacy_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) int cmd_idx; int ret; + lockdep_assert_held(&priv->mutex); + BUG_ON(cmd->flags & CMD_ASYNC); /* A synchronous command can not have a callback set. */ @@ -152,7 +154,6 @@ int iwl_legacy_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) IWL_DEBUG_INFO(priv, "Attempting to send sync command %s\n", iwl_legacy_get_cmd_string(cmd->id)); - mutex_lock(&priv->sync_cmd_mutex); set_bit(STATUS_HCMD_ACTIVE, &priv->status); IWL_DEBUG_INFO(priv, "Setting HCMD_ACTIVE for command %s\n", @@ -224,7 +225,6 @@ fail: cmd->reply_page = 0; } out: - mutex_unlock(&priv->sync_cmd_mutex); return ret; } EXPORT_SYMBOL(iwl_legacy_send_cmd_sync); diff --git a/drivers/net/wireless/iwlegacy/iwl3945-base.c b/drivers/net/wireless/iwlegacy/iwl3945-base.c index 5bdcc36f543f..0ee6be6a9c5d 100644 --- a/drivers/net/wireless/iwlegacy/iwl3945-base.c +++ b/drivers/net/wireless/iwlegacy/iwl3945-base.c @@ -3815,7 +3815,6 @@ static int iwl3945_init_drv(struct iwl_priv *priv) INIT_LIST_HEAD(&priv->free_frames); mutex_init(&priv->mutex); - mutex_init(&priv->sync_cmd_mutex); priv->ieee_channels = NULL; priv->ieee_rates = NULL; diff --git a/drivers/net/wireless/iwlegacy/iwl4965-base.c b/drivers/net/wireless/iwlegacy/iwl4965-base.c index 55851ac3add9..f781b7e225b4 100644 --- a/drivers/net/wireless/iwlegacy/iwl4965-base.c +++ b/drivers/net/wireless/iwlegacy/iwl4965-base.c @@ -3124,7 +3124,6 @@ static int iwl4965_init_drv(struct iwl_priv *priv) INIT_LIST_HEAD(&priv->free_frames); mutex_init(&priv->mutex); - mutex_init(&priv->sync_cmd_mutex); priv->ieee_channels = NULL; priv->ieee_rates = NULL; -- 2.20.1