diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-11-23 09:04:05 +0100 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2015-11-23 09:04:05 +0100 |
commit | 92907cbbef8625bb3998d1eb385fc88f23c97a3f (patch) | |
tree | 15626ff9287e37c3cb81c7286d6db5a7fd77c854 /arch/mips/xilfpga/time.c | |
parent | 15fbfccfe92c62ae8d1ecc647c44157ed01ac02e (diff) | |
parent | 1ec218373b8ebda821aec00bb156a9c94fad9cd4 (diff) |
Merge tag 'v4.4-rc2' into drm-intel-next-queued
Linux 4.4-rc2
Backmerge to get at
commit 1b0e3a049efe471c399674fd954500ce97438d30
Author: Imre Deak <imre.deak@intel.com>
Date: Thu Nov 5 23:04:11 2015 +0200
drm/i915/skl: disable display side power well support for now
so that we can proplery re-eanble skl power wells in -next.
Conflicts are just adjacent lines changed, except for intel_fbdev.c
where we need to interleave the changs. Nothing nefarious.
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'arch/mips/xilfpga/time.c')
-rw-r--r-- | arch/mips/xilfpga/time.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/mips/xilfpga/time.c b/arch/mips/xilfpga/time.c new file mode 100644 index 000000000000..cbb3fca7b6fa --- /dev/null +++ b/arch/mips/xilfpga/time.c @@ -0,0 +1,41 @@ +/* + * Xilfpga clocksource/timer setup + * + * Copyright (C) 2015 Imagination Technologies + * Author: Zubair Lutfullah Kakakhel <Zubair.Kakakhel@imgtec.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <linux/clocksource.h> +#include <linux/of.h> + +#include <asm/time.h> + +void __init plat_time_init(void) +{ + struct device_node *np; + struct clk *clk; + + of_clk_init(NULL); + clocksource_probe(); + + np = of_get_cpu_node(0, NULL); + if (!np) { + pr_err("Failed to get CPU node\n"); + return; + } + + clk = of_clk_get(np, 0); + if (IS_ERR(clk)) { + pr_err("Failed to get CPU clock: %ld\n", PTR_ERR(clk)); + return; + } + + mips_hpt_frequency = clk_get_rate(clk) / 2; + clk_put(clk); +} |