Re: [PATCH v2 03/10] Clocksource: add nuc970 clocksource driver

From: Wan Zongshun
Date: Tue Jul 12 2016 - 03:33:14 EST




On 2016å07æ11æ 23:36, Arnd Bergmann wrote:
On Sunday, July 10, 2016 3:27:23 PM CEST Wan Zongshun wrote:

+config NUC900_TIMER
+ bool "Clocksource timer for nuc900 platform" if COMPILE_TEST
+ depends on ARM
+ select CLKSRC_OF if OF
+ select CLKSRC_MMIO
+ help
+ Enables the clocksource for the NUC900 platform.


I have put this patch into my randconfig build system and found that
it lacks a dependency:



diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index e18ef32776a3..59b9251eef37 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -523,7 +523,7 @@ config CLKSRC_ST_LPC

config NUC900_TIMER
bool "Clocksource timer for nuc900 platform" if COMPILE_TEST
- depends on ARM
+ depends on ARM && GENERIC_CLOCKEVENTS
select CLKSRC_OF if OF
select CLKSRC_MMIO
help


So this patch, I still need submit or you have merged it?


Also the init function has changed its return type in linux-next:

+static void __init nuc970_timer_of_init(struct device_node *node)

This now needs to return an error code or we get:

../include/linux/of.h:1004:20: error: comparison of distinct pointer types lacks a cast [-Werror]
.data = (fn == (fn_type)NULL) ? fn : fn }

Daniel Lezcano seems to have implemented a migration strategy, but I
can't see what you are supposed to do here, since the
CLOCKSOURCE_OF_DECLARE_RET macro is no longer part of linux-next.

Wait for Daniel's comments? or what should I do now?


Arnd