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| author | David S. Miller <davem@davemloft.net> | 2016-01-13 00:22:13 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2016-01-13 00:22:13 -0500 |
| commit | 725da8dee445662beea77d3f42c3f4c79f7a7a0e (patch) | |
| tree | be1e2bd103c69d7bbace3fffd97bc3d714bbc3d7 /drivers/clocksource/dw_apb_timer_of.c | |
| parent | ce78c76f33b9f43b92444869d1723f9e4260797a (diff) | |
| parent | ddb5388ffd0ad75d07e7b78181a0b579824ba6f0 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'drivers/clocksource/dw_apb_timer_of.c')
| -rw-r--r-- | drivers/clocksource/dw_apb_timer_of.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c index a19a3f619cc7..860843cef572 100644 --- a/drivers/clocksource/dw_apb_timer_of.c +++ b/drivers/clocksource/dw_apb_timer_of.c @@ -16,6 +16,7 @@ * 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/delay.h> #include <linux/dw_apb_timer.h> #include <linux/of.h> #include <linux/of_address.h> @@ -130,6 +131,17 @@ static void __init init_sched_clock(void) sched_clock_register(read_sched_clock, 32, sched_rate); } +#ifdef CONFIG_ARM +static unsigned long dw_apb_delay_timer_read(void) +{ + return ~readl_relaxed(sched_io_base); +} + +static struct delay_timer dw_apb_delay_timer = { + .read_current_timer = dw_apb_delay_timer_read, +}; +#endif + static int num_called; static void __init dw_apb_timer_init(struct device_node *timer) { @@ -142,6 +154,10 @@ static void __init dw_apb_timer_init(struct device_node *timer) pr_debug("%s: found clocksource timer\n", __func__); add_clocksource(timer); init_sched_clock(); +#ifdef CONFIG_ARM + dw_apb_delay_timer.freq = sched_rate; + register_current_timer_delay(&dw_apb_delay_timer); +#endif break; default: break; |