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staging: comedi: remove 'comedi_autoconfig' module parameter

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This module parameter is used to enable the auto config mechanism
in the comedi core. Most of the PCI, PCMCIA, and USB drivers have
been converted to use the auto config mechanism and will not attach
if it is disabled.

Since the 'comedi_autoconfig' parameter is defaulted to true, just
remove it so that the comedi drivers that use auto config will
always be able to attach.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten 2013-02-04 17:13:01 -07:00 committed by Greg Kroah-Hartman
parent bd7807f964
commit 4a79f73017
4 changed files with 1 additions and 24 deletions
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13
drivers/staging/comedi/comedi_fops.c
View File

@ -58,11 +58,6 @@ MODULE_PARM_DESC(comedi_debug,
);
#endif
bool comedi_autoconfig = true;
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, S_IRUGO);
MODULE_PARM_DESC(comedi_num_legacy_minors,
@ -2437,14 +2432,6 @@ static int __init comedi_init(void)
return -EINVAL;
}
/*
* comedi is unusable if both comedi_autoconfig and
* comedi_num_legacy_minors are zero, so we might as well adjust the
* defaults in that case
*/
if (!comedi_autoconfig && comedi_num_legacy_minors == 0)
comedi_num_legacy_minors = 16;
memset(comedi_file_info_table, 0,
sizeof(struct comedi_file_info *) * COMEDI_NUM_MINORS);

1
drivers/staging/comedi/comedi_internal.h
View File

@ -21,7 +21,6 @@ unsigned int comedi_buf_write_n_allocated(struct comedi_async *async);
extern unsigned int comedi_default_buf_size_kb;
extern unsigned int comedi_default_buf_maxsize_kb;
extern bool comedi_autoconfig;
/* drivers.c */

3
drivers/staging/comedi/drivers.c
View File

@ -410,9 +410,6 @@ int comedi_auto_config(struct device *hardware_device,
struct comedi_device *comedi_dev;
int ret;
if (!comedi_autoconfig)
return 0;
if (!driver->auto_attach) {
dev_warn(hardware_device,
"BUG! comedi driver '%s' has no auto_attach handler\n",

8
drivers/staging/comedi/drivers/adl_pci7x3x.c
View File

@ -38,12 +38,6 @@ Author: H Hartley Sweeten <hsweeten@visionengravers.com>
Updated: Thu, 02 Aug 2012 14:27:46 -0700
Status: untested
This driver only attaches using the PCI PnP auto config support
in the comedi core. The module parameter 'comedi_autoconfig'
must be 1 (default) to enable this feature. The COMEDI_DEVCONFIG
ioctl, used by the comedi_config utility, is not supported by
this driver.
The PCI-7230, PCI-7432 and PCI-7433 boards also support external
interrupt signals on digital input channels 0 and 1. The PCI-7233
has dual-interrupt sources for change-of-state (COS) on any 16
@ -51,7 +45,7 @@ digital input channels of LSB and for COS on any 16 digital input
lines of MSB. Interrupts are not currently supported by this
driver.
Configuration Options: not applicable
Configuration Options: not applicable, uses comedi PCI auto config
*/
#include <linux/pci.h>