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linux/drivers/comedi/proc.c

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staging: comedi: add SPDX identifiers to all greybus driver files It's good to have SPDX identifiers in all files to make it easier to audit the kernel tree for correct licenses. Update the drivers/staging/comedi files files with the correct SPDX license identifier based on the license text in the file itself. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This work is based on a script and data from Thomas Gleixner, Philippe Ombredanne, and Kate Stewart. Cc: Ian Abbott <abbotti@mev.co.uk> Cc: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-07 14:58:43 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
STAGING: comedi: style and checkpatch fixes Updates block comment per Documentation/CodingStyle. Also updated due to checkpatch warnings about qouted string after Lindent modified the spacing slightly. Signed-off-by: Michael Welling <mwelling@ieee.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-18 02:14:20 -05:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
STAGING: comedi: style and checkpatch fixes Updates block comment per Documentation/CodingStyle. Also updated due to checkpatch warnings about qouted string after Lindent modified the spacing slightly. Signed-off-by: Michael Welling <mwelling@ieee.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-18 02:14:20 -05:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
comedi: Move the main COMEDI headers Move the main COMEDI driver headers out of "drivers/comedi/" into new directory "include/linux/comedi/". These are "comedidev.h", "comedilib.h", "comedi_pci.h", "comedi_pcmcia.h", and "comedi_usb.h". Additionally, move the user-space API header "comedi.h" into "include/uapi/linux/" and add "WITH Linux-syscall-note" to its SPDX-License-Identifier. Update the "COMEDI DRIVERS" section of the MAINTAINERS file to account for these changes. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20211117120604.117740-2-abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-11-17 12:05:59 +00:00
staging: comedi: remove comedi_fops.h Move the contents of "comedi_fops.h" into "comedi_internal.h" and delete "comedi_fops.h". It only contains a couple of external variable declarations (and #include <linux/types.h>) and one of those isn't even declared in "comedi_fops.c". The other one is an external declaration of a variable used to store a module parameter and some of those are already externally declared in "comedi_internal.h", so they can keep it company! Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-19 10:17:46 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
comedi: Don't use create_proc_read_entry() Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> cc: David Schleef <ds@schleef.org> cc: Ian Abbott <abbotti@mev.co.uk> cc: Mori Hess <fmhess@users.sourceforge.net> cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: H Hartley Sweeten <hsweeten@visionengravers.com> cc: devel@driverdev.osuosl.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08 16:39:33 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
comedi: Don't use create_proc_read_entry() Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> cc: David Schleef <ds@schleef.org> cc: Ian Abbott <abbotti@mev.co.uk> cc: Mori Hess <fmhess@users.sourceforge.net> cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: H Hartley Sweeten <hsweeten@visionengravers.com> cc: devel@driverdev.osuosl.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08 16:39:33 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
Staging: comedi: Remove comedi_driver typedef Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-03-16 22:05:25 -04:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
STAGING: comedi: style and checkpatch fixes Updates block comment per Documentation/CodingStyle. Also updated due to checkpatch warnings about qouted string after Lindent modified the spacing slightly. Signed-off-by: Michael Welling <mwelling@ieee.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-03-18 02:14:20 -05:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
staging: comedi: use refcount while reading /proc/comedi In the seq_file 'show' handler for "/proc/comedi" - `comedi_read()` in "comedi/proc.c", call `comedi_dev_get_from_minor()` instead of `comedi_dev_from_minor()` to increment the reference counter for the `struct comedi_device` while it is being examined. Call `comedi_dev_put()` to decrement the reference afterwards. Also acquire the `attach_lock` rwsem while checking whether the device is attached. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-08 15:03:36 +00:00
staging: comedi: use comedi_dev_from_minor() Remove the need to export comedi_get_device_file_info() by using the new helper comedi_dev_from_minor(). This will also allow us to make the comedi_device_file_info struct private. 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>
2012-12-19 15:35:23 -07:00
Staging: comedi: Move trailing statements to next line as requested by checkpatch Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-03-16 22:03:56 -04:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
staging: comedi: use refcount while reading /proc/comedi In the seq_file 'show' handler for "/proc/comedi" - `comedi_read()` in "comedi/proc.c", call `comedi_dev_get_from_minor()` instead of `comedi_dev_from_minor()` to increment the reference counter for the `struct comedi_device` while it is being examined. Call `comedi_dev_put()` to decrement the reference afterwards. Also acquire the `attach_lock` rwsem while checking whether the device is attached. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-08 15:03:36 +00:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
comedi: Don't use create_proc_read_entry() Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> cc: David Schleef <ds@schleef.org> cc: Ian Abbott <abbotti@mev.co.uk> cc: Mori Hess <fmhess@users.sourceforge.net> cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: H Hartley Sweeten <hsweeten@visionengravers.com> cc: devel@driverdev.osuosl.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08 16:39:33 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
staging: comedi: use refcount while reading /proc/comedi In the seq_file 'show' handler for "/proc/comedi" - `comedi_read()` in "comedi/proc.c", call `comedi_dev_get_from_minor()` instead of `comedi_dev_from_minor()` to increment the reference counter for the `struct comedi_device` while it is being examined. Call `comedi_dev_put()` to decrement the reference afterwards. Also acquire the `attach_lock` rwsem while checking whether the device is attached. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-11-08 15:03:36 +00:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
Staging: comedi: Remove curly braces where they are not needed Changes as suggested by checkpatch.pl. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-03-16 22:04:23 -04:00
comedi: Don't use create_proc_read_entry() Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> cc: David Schleef <ds@schleef.org> cc: Ian Abbott <abbotti@mev.co.uk> cc: Mori Hess <fmhess@users.sourceforge.net> cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: H Hartley Sweeten <hsweeten@visionengravers.com> cc: devel@driverdev.osuosl.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08 16:39:33 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
staging: comedi: use a mutex when accessing driver list Low-level comedi drivers registered with the comedi core by `comedi_driver_register()` are linked together into a simple linked list headed by the `comedi_drivers` variable and chained by the `next` member of `struct comedi_driver`. A driver is removed from the list by `comedi_driver_unregister()`. The driver list is iterated through by `comedi_device_attach()` when the `COMEDI_DEVCONFIG` ioctl is used to attach a "legacy" device to a driver, and is also iterated through by `comedi_read()` in "proc.c" when reading "/proc/comedi". There is currently no protection against items being added or removed from the list while it is being iterated. Add a mutex `comedi_drivers_list_lock` to be locked while adding or removing an item on the list, or when iterating through the list. `comedi_driver_unregister()` also checks for and detaches any devices using the driver. This is currently done before unlinking the driver from the list, but it makes more sense to unlink the driver from the list first to prevent `comedi_device_attach()` attempting to use it, so move the unlinking part to the start of the function. Also, in `comedi_device_attach()` hold on to the mutex until we've finished attempting to attach the device to avoid it interfering with the detachment in `comedi_driver_unregister()`. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-27 14:50:58 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
comedi: Don't use create_proc_read_entry() Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> cc: David Schleef <ds@schleef.org> cc: Ian Abbott <abbotti@mev.co.uk> cc: Mori Hess <fmhess@users.sourceforge.net> cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: H Hartley Sweeten <hsweeten@visionengravers.com> cc: devel@driverdev.osuosl.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08 16:39:33 +01:00
Staging: comedi: Remove curly braces where they are not needed Changes as suggested by checkpatch.pl. Signed-off-by: Bill Pemberton <wfp5p@virginia.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-03-16 22:04:23 -04:00
comedi: Don't use create_proc_read_entry() Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> cc: David Schleef <ds@schleef.org> cc: Ian Abbott <abbotti@mev.co.uk> cc: Mori Hess <fmhess@users.sourceforge.net> cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: H Hartley Sweeten <hsweeten@visionengravers.com> cc: devel@driverdev.osuosl.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08 16:39:33 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
staging: comedi: use a mutex when accessing driver list Low-level comedi drivers registered with the comedi core by `comedi_driver_register()` are linked together into a simple linked list headed by the `comedi_drivers` variable and chained by the `next` member of `struct comedi_driver`. A driver is removed from the list by `comedi_driver_unregister()`. The driver list is iterated through by `comedi_device_attach()` when the `COMEDI_DEVCONFIG` ioctl is used to attach a "legacy" device to a driver, and is also iterated through by `comedi_read()` in "proc.c" when reading "/proc/comedi". There is currently no protection against items being added or removed from the list while it is being iterated. Add a mutex `comedi_drivers_list_lock` to be locked while adding or removing an item on the list, or when iterating through the list. `comedi_driver_unregister()` also checks for and detaches any devices using the driver. This is currently done before unlinking the driver from the list, but it makes more sense to unlink the driver from the list first to prevent `comedi_device_attach()` attempting to use it, so move the unlinking part to the start of the function. Also, in `comedi_device_attach()` hold on to the mutex until we've finished attempting to attach the device to avoid it interfering with the detachment in `comedi_driver_unregister()`. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-27 14:50:58 +01:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
comedi: Don't use create_proc_read_entry() Don't use create_proc_read_entry() as that is deprecated, but rather use proc_create_data() and seq_file instead. Signed-off-by: David Howells <dhowells@redhat.com> cc: David Schleef <ds@schleef.org> cc: Ian Abbott <abbotti@mev.co.uk> cc: Mori Hess <fmhess@users.sourceforge.net> cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> cc: H Hartley Sweeten <hsweeten@visionengravers.com> cc: devel@driverdev.osuosl.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-04-08 16:39:33 +01:00
Staging: comedi: proc: Add __init prefix Add __init prefix so that symbol will be discarded after module loading. Signed-off-by: Cheah Kok Cheong <thrust73@gmail.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-12-30 19:26:50 +08:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
proc: introduce proc_create_single{,_data} Variants of proc_create{,_data} that directly take a seq_file show callback and drastically reduces the boilerplate code in the callers. All trivial callers converted over. Signed-off-by: Christoph Hellwig <hch@lst.de>
2018-05-15 15:57:23 +02:00
Staging: comedi: proc: Warn if unable to create proc entry The proc entry is not essential for the comedi system as evident by the support for !CONFIG_PROC_FS. So for failure to create, just warn and continue loading. Signed-off-by: Cheah Kok Cheong <thrust73@gmail.com> Reviewed-by: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-12-30 19:27:41 +08:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00
Staging: comedi: clean up sparse issues in proc.c The whole file should be converted to use seqfile, if it's even still needed. Or move to debugfs. Anyway, I fixed up the minor issues here. Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-03 15:32:04 -07:00
Staging: add comedi core This adds the Comedi core to the staging tree. This is a data acquision infrastructure for Linux, providing a common interface for these types of drivers. Taken directly from the comedi git tree, with only minor tweaks by Greg to get it to build properly within the kernel tree. From: David Schleef <ds@schleef.org> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Shawn Bohrer <shawn.bohrer@gmail.com> Signed-off-by: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2008-11-04 20:29:31 -08:00