[PATCH 4/5] clocksource/acpi: Add probing infrastructure for ACPI-based clocksources
From: Marc Zyngier <hidden>
Date: 2015-09-04 17:07:37
Also in:
linux-acpi, lkml
Subsystem:
clocksource, clockevent drivers, the rest · Maintainers:
Daniel Lezcano, Thomas Gleixner, Linus Torvalds
DT enjoys a rather nice probing infrastructure for clocksources, while ACPI is so far stuck into a very distant past. This patch introduces a declarative API, allowing clocksources to be self-contained and be called when parsing the GTDT table. Signed-off-by: Marc Zyngier <redacted> --- drivers/clocksource/clksrc-of.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c
index 0093a8e..b351b1e 100644
--- a/drivers/clocksource/clksrc-of.c
+++ b/drivers/clocksource/clksrc-of.c@@ -14,6 +14,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ +#include <linux/acpi.h> #include <linux/init.h> #include <linux/of.h> #include <linux/clocksource.h>
@@ -38,6 +39,9 @@ void __init clocksource_of_init(void) init_func(np); clocksources++; } + + clocksources += acpi_probe_device_table(ACPI_SIG_GTDT); + if (!clocksources) pr_crit("%s: no matching clocksources found\n", __func__); }
--
2.1.4