mirror of
git://nv-tegra.nvidia.com/linux-nvgpu.git
synced 2025-12-23 18:16:01 +03:00
1add126551
gk20a_err() and gk20a_warn() require a struct device pointer, which is not portable across operating systems. The new nvgpu_err() and nvgpu_warn() macros take struct gk20a pointer. Convert code to use the more portable macros. JIRA NVGPU-16 Change-Id: I58bb9e2fb7e5b18f74fbb92b70150cce97968fc3 Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-on: http://git-master/r/1457347 Reviewed-by: Alex Waterman <alexw@nvidia.com>
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
|
|
* Copyright (c) 2011-2016, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <linux/clk.h>
|
|
|
|
#include "gk20a/gk20a.h"
|
|
|
|
struct clk *gk20a_clk_get(struct gk20a *g)
|
|
{
|
|
if (!g->clk.tegra_clk) {
|
|
struct clk *clk;
|
|
char clk_dev_id[32];
|
|
struct device *dev = dev_from_gk20a(g);
|
|
|
|
snprintf(clk_dev_id, 32, "tegra_%s", dev_name(dev));
|
|
|
|
clk = clk_get_sys(clk_dev_id, "gpu");
|
|
if (IS_ERR(clk)) {
|
|
nvgpu_err(g, "fail to get tegra gpu clk %s/gpu\n",
|
|
clk_dev_id);
|
|
return NULL;
|
|
}
|
|
g->clk.tegra_clk = clk;
|
|
}
|
|
|
|
return g->clk.tegra_clk;
|
|
}
|
|
|
|
unsigned long gk20a_clk_get_rate(struct gk20a *g)
|
|
{
|
|
struct clk_gk20a *clk = &g->clk;
|
|
return rate_gpc2clk_to_gpu(clk->gpc_pll.freq);
|
|
}
|
|
|
|
long gk20a_clk_round_rate(struct gk20a *g, unsigned long rate)
|
|
{
|
|
/* make sure the clock is available */
|
|
if (!gk20a_clk_get(g))
|
|
return rate;
|
|
|
|
return clk_round_rate(clk_get_parent(g->clk.tegra_clk), rate);
|
|
}
|
|
|
|
int gk20a_clk_set_rate(struct gk20a *g, unsigned long rate)
|
|
{
|
|
return clk_set_rate(g->clk.tegra_clk, rate);
|
|
}
|
|
|