SH_TIMER_CMT will use IO memory features which needs HAS_IOMEM, so need
depend on it. The related error (with allmodconfig under um):
CC drivers/clocksource/sh_cmt.o
drivers/clocksource/sh_cmt.c: In function 'sh_cmt_map_memory':
drivers/clocksource/sh_cmt.c:920:2: error: implicit declaration of function
'ioremap_nocache' [-Werror=implicit-function-declaration]
cmt->mapbase = ioremap_nocache(mem->start, resource_size(mem));
^
drivers/clocksource/sh_cmt.c:920:15: warning: assignment makes pointer from
integer without a cast [enabled by default]
cmt->mapbase = ioremap_nocache(mem->start, resource_size(mem));
^
drivers/clocksource/sh_cmt.c: In function 'sh_cmt_setup':
drivers/clocksource/sh_cmt.c:1034:2: error: implicit declaration of function
'iounmap' [-Werror=implicit-function-declaration]
iounmap(cmt->mapbase);
^
Signed-off-by: Chen Gang <gang.chen.5...@gmail.com>
---
drivers/clocksource/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 82a2ebe..ee8aeeb 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -172,7 +172,7 @@ config SYS_SUPPORTS_EM_STI
config SH_TIMER_CMT
bool "Renesas CMT timer driver" if COMPILE_TEST
- depends on GENERIC_CLOCKEVENTS
+ depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
default SYS_SUPPORTS_SH_CMT
help
This enables build of a clocksource and clockevent driver for
--
1.9.3
--
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