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68d9c47b16
Now that we have a custom printf format specifier, convert users of full_name to use %pOF instead. This is preparation to remove storing of the full path string for each node. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Acked-by: Nicolas Ferre <nicolas.ferre@microchip.com> Acked-by: Lad, Prabhakar <prabhakar.csengg@gmail.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Andrzej Hajda <a.hajda@samsung.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Songjun Wu <songjun.wu@microchip.com> Cc: Kukjin Kim <kgene@kernel.org> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Javier Martinez Canillas <javier@osg.samsung.com> Cc: Minghsiu Tsai <minghsiu.tsai@mediatek.com> Cc: Houlong Wei <houlong.wei@mediatek.com> Cc: Andrew-CT Chen <andrew-ct.chen@mediatek.com> Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Hyun Kwon <hyun.kwon@xilinx.com> Cc: Michal Simek <michal.simek@xilinx.com> Cc: "Sören Brinkmann" <soren.brinkmann@xilinx.com> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-samsung-soc@vger.kernel.org Cc: linux-mediatek@lists.infradead.org Cc: linux-renesas-soc@vger.kernel.org Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
77 lines
2.1 KiB
C
77 lines
2.1 KiB
C
/*
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* V4L2 clock service
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*
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* Copyright (C) 2012-2013, Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* ATTENTION: This is a temporary API and it shall be replaced by the generic
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* clock API, when the latter becomes widely available.
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*/
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#ifndef MEDIA_V4L2_CLK_H
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#define MEDIA_V4L2_CLK_H
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#include <linux/atomic.h>
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#include <linux/export.h>
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#include <linux/list.h>
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#include <linux/mutex.h>
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struct module;
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struct device;
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struct clk;
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struct v4l2_clk {
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struct list_head list;
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const struct v4l2_clk_ops *ops;
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const char *dev_id;
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int enable;
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struct mutex lock; /* Protect the enable count */
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atomic_t use_count;
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struct clk *clk;
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void *priv;
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};
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struct v4l2_clk_ops {
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struct module *owner;
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int (*enable)(struct v4l2_clk *clk);
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void (*disable)(struct v4l2_clk *clk);
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unsigned long (*get_rate)(struct v4l2_clk *clk);
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int (*set_rate)(struct v4l2_clk *clk, unsigned long);
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};
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struct v4l2_clk *v4l2_clk_register(const struct v4l2_clk_ops *ops,
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const char *dev_name,
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void *priv);
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void v4l2_clk_unregister(struct v4l2_clk *clk);
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struct v4l2_clk *v4l2_clk_get(struct device *dev, const char *id);
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void v4l2_clk_put(struct v4l2_clk *clk);
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int v4l2_clk_enable(struct v4l2_clk *clk);
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void v4l2_clk_disable(struct v4l2_clk *clk);
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unsigned long v4l2_clk_get_rate(struct v4l2_clk *clk);
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int v4l2_clk_set_rate(struct v4l2_clk *clk, unsigned long rate);
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struct module;
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struct v4l2_clk *__v4l2_clk_register_fixed(const char *dev_id,
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unsigned long rate, struct module *owner);
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void v4l2_clk_unregister_fixed(struct v4l2_clk *clk);
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static inline struct v4l2_clk *v4l2_clk_register_fixed(const char *dev_id,
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unsigned long rate)
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{
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return __v4l2_clk_register_fixed(dev_id, rate, THIS_MODULE);
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}
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#define V4L2_CLK_NAME_SIZE 64
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#define v4l2_clk_name_i2c(name, size, adap, client) snprintf(name, size, \
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"%d-%04x", adap, client)
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#define v4l2_clk_name_of(name, size, node) snprintf(name, size, \
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"of-%pOF", node)
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#endif
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