RISC-V: Select GENERIC_SCHED_CLOCK for clocksource drivers

The riscv_timer driver can provide sched_clock using "rdtime"
instruction but to achieve this we require generic sched_clock
framework hence this patch selects GENERIC_SCHED_CLOCK for RISCV.

Signed-off-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Signed-off-by: Palmer Dabbelt <palmer@sifive.com>

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 23ac6d6f9ab28f7c70857b25b3dc81f7bc5080fe..ee833e6f5ccb4a141a6b5655a335c6bc8b239206 100644 (file)
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -24,6 +24,7 @@ config RISCV
        select GENERIC_CPU_DEVICES
        select GENERIC_IRQ_SHOW
        select GENERIC_PCI_IOMAP
+       select GENERIC_SCHED_CLOCK
        select GENERIC_STRNCPY_FROM_USER
        select GENERIC_STRNLEN_USER
        select GENERIC_SMP_IDLE_THREAD