/* * linux/arch/arm/mach-versatile/clock.c * * Copyright (C) 2004 ARM Limited. * Written by Deep Blue Solutions Limited. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include #include #include #include #include #include #include #include #include #include #include "clock.h" int clk_enable(struct clk *clk) { return 0; } EXPORT_SYMBOL(clk_enable); void clk_disable(struct clk *clk) { } EXPORT_SYMBOL(clk_disable); unsigned long clk_get_rate(struct clk *clk) { return clk->rate; } EXPORT_SYMBOL(clk_get_rate); long clk_round_rate(struct clk *clk, unsigned long rate) { struct icst_vco vco; vco = icst_hz_to_vco(clk->params, rate); return icst_hz(clk->params, vco); } EXPORT_SYMBOL(clk_round_rate); int clk_set_rate(struct clk *clk, unsigned long rate) { int ret = -EIO; if (clk->setvco) { struct icst_vco vco; vco = icst_hz_to_vco(clk->params, rate); clk->rate = icst_hz(clk->params, vco); clk->setvco(clk, vco); ret = 0; } return ret; } EXPORT_SYMBOL(clk_set_rate);