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 marc.zyngier@arm.com --- 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__); }