mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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2d5e836de7
kerneldoc expects the comment next to definitions, otherwise it can't
pick up exported vs. internal stuff.
This fixes a warning from the doc build done with:
$ make DOCBOOKS="" htmldocs
Fixes: d8187177b0 ("drm: add helper for printing to log or seq_file")
Cc: Rob Clark <robdclark@gmail.com>
Cc: Sean Paul <seanpaul@chromium.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20161114115825.22050-8-daniel.vetter@ffwll.ch
113 lines
3.2 KiB
C
113 lines
3.2 KiB
C
/*
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* Copyright (C) 2016 Red Hat
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Rob Clark <robdclark@gmail.com>
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*/
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#ifndef DRM_PRINT_H_
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#define DRM_PRINT_H_
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#include <linux/seq_file.h>
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#include <linux/device.h>
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/**
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* DOC: print
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*
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* A simple wrapper for dev_printk(), seq_printf(), etc. Allows same
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* debug code to be used for both debugfs and printk logging.
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*
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* For example::
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*
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* void log_some_info(struct drm_printer *p)
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* {
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* drm_printf(p, "foo=%d\n", foo);
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* drm_printf(p, "bar=%d\n", bar);
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* }
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*
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* #ifdef CONFIG_DEBUG_FS
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* void debugfs_show(struct seq_file *f)
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* {
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* struct drm_printer p = drm_seq_file_printer(f);
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* log_some_info(&p);
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* }
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* #endif
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*
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* void some_other_function(...)
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* {
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* struct drm_printer p = drm_info_printer(drm->dev);
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* log_some_info(&p);
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* }
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*/
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/**
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* struct drm_printer - drm output "stream"
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* @printfn: actual output fxn
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* @arg: output fxn specific data
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*
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* Do not use struct members directly. Use drm_printer_seq_file(),
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* drm_printer_info(), etc to initialize. And drm_printf() for output.
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*/
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struct drm_printer {
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void (*printfn)(struct drm_printer *p, struct va_format *vaf);
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void *arg;
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};
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void __drm_printfn_seq_file(struct drm_printer *p, struct va_format *vaf);
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void __drm_printfn_info(struct drm_printer *p, struct va_format *vaf);
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void drm_printf(struct drm_printer *p, const char *f, ...);
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/**
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* drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file
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* @f: the struct &seq_file to output to
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*
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* RETURNS:
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* The &drm_printer object
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*/
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static inline struct drm_printer drm_seq_file_printer(struct seq_file *f)
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{
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struct drm_printer p = {
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.printfn = __drm_printfn_seq_file,
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.arg = f,
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};
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return p;
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}
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/**
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* drm_info_printer - construct a &drm_printer that outputs to dev_printk()
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* @dev: the struct &device pointer
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*
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* RETURNS:
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* The &drm_printer object
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*/
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static inline struct drm_printer drm_info_printer(struct device *dev)
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{
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struct drm_printer p = {
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.printfn = __drm_printfn_info,
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.arg = dev,
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};
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return p;
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}
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#endif /* DRM_PRINT_H_ */
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