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Diffstat (limited to 'drivers/staging/comedi/comedi_fops.c')
-rw-r--r--drivers/staging/comedi/comedi_fops.c29
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/staging/comedi/comedi_fops.c b/drivers/staging/comedi/comedi_fops.c
index fdf42822b962..ef7bbe416614 100644
--- a/drivers/staging/comedi/comedi_fops.c
+++ b/drivers/staging/comedi/comedi_fops.c
@@ -55,17 +55,40 @@ MODULE_AUTHOR("http://www.comedi.org");
MODULE_DESCRIPTION("Comedi core module");
MODULE_LICENSE("GPL");
+#define DEFAULT_BUF_MAXSIZE_KB 64
+#define DEFAULT_BUF_SIZE_KB 64
+
#ifdef CONFIG_COMEDI_DEBUG
int comedi_debug;
EXPORT_SYMBOL(comedi_debug);
-module_param(comedi_debug, int, 0644);
+module_param(comedi_debug, int, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(comedi_debug,
+ "enable comedi core and driver debugging if non-zero (default 0)"
+ );
#endif
bool comedi_autoconfig = 1;
-module_param(comedi_autoconfig, bool, 0444);
+module_param(comedi_autoconfig, bool, S_IRUGO);
+MODULE_PARM_DESC(comedi_autoconfig,
+ "enable drivers to auto-configure comedi devices (default 1)");
static int comedi_num_legacy_minors;
-module_param(comedi_num_legacy_minors, int, 0444);
+module_param(comedi_num_legacy_minors, int, S_IRUGO);
+MODULE_PARM_DESC(comedi_num_legacy_minors,
+ "number of comedi minor devices to reserve for non-auto-configured devices (default 0)"
+ );
+
+unsigned int comedi_default_buf_size_kb = DEFAULT_BUF_SIZE_KB;
+module_param(comedi_default_buf_size_kb, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(comedi_default_buf_size_kb,
+ "default asynchronous buffer size in KiB (default "
+ __MODULE_STRING(DEFAULT_BUF_SIZE_KB) ")");
+
+unsigned int comedi_default_buf_maxsize_kb = DEFAULT_BUF_MAXSIZE_KB;
+module_param(comedi_default_buf_maxsize_kb, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(comedi_default_buf_maxsize_kb,
+ "default maximum size of asynchronous buffer in KiB (default "
+ __MODULE_STRING(DEFAULT_BUF_MAXSIZE_KB) ")");
static DEFINE_SPINLOCK(comedi_file_info_table_lock);
static struct comedi_device_file_info