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df30727336
Function declarations in headers do not need to come with extern keyword. Remove them to make the declaration slightly shorter. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* OpenFirmware helpers for memory drivers
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*
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* Copyright (C) 2012 Texas Instruments, Inc.
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* Copyright (C) 2020 Krzysztof Kozlowski <krzk@kernel.org>
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*/
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#ifndef __LINUX_MEMORY_OF_REG_H
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#define __LINUX_MEMORY_OF_REG_H
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#if defined(CONFIG_OF) && defined(CONFIG_DDR)
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const struct lpddr2_min_tck *of_get_min_tck(struct device_node *np,
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struct device *dev);
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const struct lpddr2_timings *of_get_ddr_timings(struct device_node *np_ddr,
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struct device *dev,
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u32 device_type, u32 *nr_frequencies);
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const struct lpddr3_min_tck *of_lpddr3_get_min_tck(struct device_node *np,
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struct device *dev);
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const struct lpddr3_timings *
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of_lpddr3_get_ddr_timings(struct device_node *np_ddr,
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struct device *dev, u32 device_type, u32 *nr_frequencies);
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#else
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static inline const struct lpddr2_min_tck
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*of_get_min_tck(struct device_node *np, struct device *dev)
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{
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return NULL;
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}
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static inline const struct lpddr2_timings
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*of_get_ddr_timings(struct device_node *np_ddr, struct device *dev,
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u32 device_type, u32 *nr_frequencies)
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{
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return NULL;
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}
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static inline const struct lpddr3_min_tck
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*of_lpddr3_get_min_tck(struct device_node *np, struct device *dev)
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{
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return NULL;
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}
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static inline const struct lpddr3_timings
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*of_lpddr3_get_ddr_timings(struct device_node *np_ddr,
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struct device *dev, u32 device_type, u32 *nr_frequencies)
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{
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return NULL;
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}
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#endif /* CONFIG_OF && CONFIG_DDR */
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#endif /* __LINUX_MEMORY_OF_REG_ */
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