summaryrefslogtreecommitdiff
path: root/drivers/clocksource/tango_xtal.c
diff options
context:
space:
mode:
authorDaniel Lezcano <daniel.lezcano@linaro.org>2019-02-19 12:19:33 +0300
committerDaniel Lezcano <daniel.lezcano@linaro.org>2019-02-23 14:13:45 +0300
commitbcc5a050fedd7fa044850da1f100096682812b65 (patch)
tree3954f45a742d7d2c91e33cb7103d55e49c327c9d /drivers/clocksource/tango_xtal.c
parent2e710fc3917255bc358c69c41b5af3475c7112b8 (diff)
downloadlinux-bcc5a050fedd7fa044850da1f100096682812b65.tar.xz
clocksource/drivers/tango-xtal: Rename the file for consistency
For the sake of consistency, let's rename the file to a name similar to other file names in this directory. Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource/tango_xtal.c')
-rw-r--r--drivers/clocksource/tango_xtal.c57
1 files changed, 0 insertions, 57 deletions
diff --git a/drivers/clocksource/tango_xtal.c b/drivers/clocksource/tango_xtal.c
deleted file mode 100644
index 3f94e454ef99..000000000000
--- a/drivers/clocksource/tango_xtal.c
+++ /dev/null
@@ -1,57 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/clocksource.h>
-#include <linux/sched_clock.h>
-#include <linux/of_address.h>
-#include <linux/printk.h>
-#include <linux/delay.h>
-#include <linux/init.h>
-#include <linux/clk.h>
-
-static void __iomem *xtal_in_cnt;
-static struct delay_timer delay_timer;
-
-static unsigned long notrace read_xtal_counter(void)
-{
- return readl_relaxed(xtal_in_cnt);
-}
-
-static u64 notrace read_sched_clock(void)
-{
- return read_xtal_counter();
-}
-
-static int __init tango_clocksource_init(struct device_node *np)
-{
- struct clk *clk;
- int xtal_freq, ret;
-
- xtal_in_cnt = of_iomap(np, 0);
- if (xtal_in_cnt == NULL) {
- pr_err("%pOF: invalid address\n", np);
- return -ENXIO;
- }
-
- clk = of_clk_get(np, 0);
- if (IS_ERR(clk)) {
- pr_err("%pOF: invalid clock\n", np);
- return PTR_ERR(clk);
- }
-
- xtal_freq = clk_get_rate(clk);
- delay_timer.freq = xtal_freq;
- delay_timer.read_current_timer = read_xtal_counter;
-
- ret = clocksource_mmio_init(xtal_in_cnt, "tango-xtal", xtal_freq, 350,
- 32, clocksource_mmio_readl_up);
- if (ret) {
- pr_err("%pOF: registration failed\n", np);
- return ret;
- }
-
- sched_clock_register(read_sched_clock, 32, xtal_freq);
- register_current_timer_delay(&delay_timer);
-
- return 0;
-}
-
-TIMER_OF_DECLARE(tango, "sigma,tick-counter", tango_clocksource_init);