From a9ed3aa9b87ee41e8ab3ff471b1331c154767e45 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Sat, 26 Sep 2026 07:57:59 +1000 Subject: Merge tag 'drm-misc-fixes-2026-09-24' of https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes A number of fixes: - bridge: - samsung-dsim: fix GPIO lifetime - client: Null pointer dereference fix - imagination: error handling fix, page handling fix - nouveau: fix reference leaks, double-frees, out-of-bounds accesses, use-after-frees, don't reject config without SCDC, a number of workarounds - virtio: fix memory leak, reference leaks, null pointer dereference, add pixel blend mode, cache coherency fix Signed-off-by: Dave Airlie From: Maxime Ripard Link: https://patch.msgid.link/arU22zzqUGDEco1y@houat --- drivers/comedi/comedi_internal.h | 86 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 drivers/comedi/comedi_internal.h (limited to 'drivers/comedi/comedi_internal.h') diff --git a/drivers/comedi/comedi_internal.h b/drivers/comedi/comedi_internal.h new file mode 100644 index 000000000..41a3b09f8 --- /dev/null +++ b/drivers/comedi/comedi_internal.h @@ -0,0 +1,86 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _COMEDI_INTERNAL_H +#define _COMEDI_INTERNAL_H + +#include +#include + +/* + * various internal comedi stuff + */ + +struct comedi_buf_map; +struct comedi_devconfig; +struct comedi_device; +struct comedi_insn; +struct comedi_rangeinfo; +struct comedi_subdevice; +struct device; + +int do_rangeinfo_ioctl(struct comedi_device *dev, + struct comedi_rangeinfo *it); +struct comedi_device *comedi_alloc_board_minor(struct device *hardware_device); +void comedi_release_hardware_device(struct device *hardware_device); +int comedi_alloc_subdevice_minor(struct comedi_subdevice *s); +void comedi_free_subdevice_minor(struct comedi_subdevice *s); + +int comedi_buf_alloc(struct comedi_device *dev, struct comedi_subdevice *s, + unsigned long new_size); +void comedi_buf_reset(struct comedi_subdevice *s); +bool comedi_buf_is_mmapped(struct comedi_subdevice *s); +void comedi_buf_map_get(struct comedi_buf_map *bm); +int comedi_buf_map_put(struct comedi_buf_map *bm); +int comedi_buf_map_access(struct comedi_buf_map *bm, unsigned long offset, + void *buf, int len, int write); +struct comedi_buf_map * +comedi_buf_map_from_subdev_get(struct comedi_subdevice *s); +unsigned int comedi_buf_write_n_available(struct comedi_subdevice *s); +unsigned int comedi_buf_write_n_allocated(struct comedi_subdevice *s); +unsigned int _comedi_buf_write_alloc(struct comedi_subdevice *s, + unsigned int nbytes); +unsigned int _comedi_buf_write_free(struct comedi_subdevice *s, + unsigned int nbytes); +unsigned int _comedi_buf_read_n_available(struct comedi_subdevice *s); +unsigned int _comedi_buf_read_alloc(struct comedi_subdevice *s, + unsigned int nbytes); +unsigned int _comedi_buf_read_free(struct comedi_subdevice *s, + unsigned int nbytes); +void _comedi_inc_scan_progress(struct comedi_subdevice *s, + unsigned int num_bytes); +void _comedi_event(struct comedi_device *dev, struct comedi_subdevice *s); +void comedi_device_cancel_all(struct comedi_device *dev); +bool comedi_can_auto_free_spriv(struct comedi_subdevice *s); + +extern unsigned int comedi_default_buf_size_kb; +extern unsigned int comedi_default_buf_maxsize_kb; + +/* drivers.c */ + +extern struct comedi_driver *comedi_drivers; +extern struct mutex comedi_drivers_list_lock; + +int insn_inval(struct comedi_device *dev, struct comedi_subdevice *s, + struct comedi_insn *insn, unsigned int *data); + +void comedi_device_detach_locked(struct comedi_device *dev); +void comedi_device_detach(struct comedi_device *dev); +int comedi_device_attach(struct comedi_device *dev, + struct comedi_devconfig *it); + +#ifdef CONFIG_PROC_FS + +/* proc.c */ + +void comedi_proc_init(void); +void comedi_proc_cleanup(void); +#else +static inline void comedi_proc_init(void) +{ +} + +static inline void comedi_proc_cleanup(void) +{ +} +#endif + +#endif /* _COMEDI_INTERNAL_H */ -- cgit v1.3.1