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iwlwifi: enable serialization of synchronous commands

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Until now it was only possible to have one synchronous command running at
any time. If a synchronous command is in progress when a second request
arrives then the second command will fail. Create a new mutex specific for
this purpose to only allow one synchronous command at a time, but enable
other commands to wait instead of fail if a synchronous command is in
progress.

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Reinette Chatre 2010-02-18 22:03:04 -08:00 • committed by John W. Linville
parent 4a6547c748
commit d2dfe6df75
7 changed files with 13 additions and 10 deletions
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2
drivers/net/wireless/iwlwifi/iwl-debugfs.c
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@ -530,8 +530,6 @@ static ssize_t iwl_dbgfs_status_read(struct file *file,
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
test_bit(STATUS_HCMD_ACTIVE, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
test_bit(STATUS_INT_ENABLED, &priv->status));
pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",