Re: [PATCH] drivers: clocksource: timer-riscv: Depend on the SBI

From: Kefeng Wang
Date: Wed Nov 25 2020 - 20:00:33 EST


Hi Palmer,  I send a same patch and have been acked from you : )

https://patchwork.kernel.org/project/linux-riscv/patch/20201028131230.72907-1-wangkefeng.wang@xxxxxxxxxx/

On 2020/11/26 3:58, Palmer Dabbelt wrote:
From: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>

Fundamentally this is an SBI timer driver, so it cannot be enabled without
support for the RISC-V SBI.

Fixes: d5be89a8d118 ("RISC-V: Resurrect the MMIO timer implementation for M-mode systems")
Signed-off-by: Palmer Dabbelt <palmerdabbelt@xxxxxxxxxx>
---
drivers/clocksource/Kconfig | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 68b087bff59c..3eeaf0efba8f 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -655,6 +655,7 @@ config ATCPIT100_TIMER
config RISCV_TIMER
bool "Timer for the RISC-V platform" if COMPILE_TEST
depends on GENERIC_SCHED_CLOCK && RISCV
+ depends on RISCV_SBI
select TIMER_PROBE
select TIMER_OF
help