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From: Vladimir Zapolskiy <vz@mleia.com>
To: Wim Van Sebroeck <wim@linux-watchdog.org>,
	Guenter Roeck <linux@roeck-us.net>
Cc: linux-watchdog@vger.kernel.org, Kuo@vger.kernel.org,
	Hsuan-Chi <hckuo2@illinois.edu>
Subject: [PATCH] watchdog: fix compile time error of pretimeout governors
Date: Tue, 12 Mar 2019 01:54:25 +0200	[thread overview]
Message-ID: <20190311235425.1748-1-vz@mleia.com> (raw)

CONFIG_WATCHDOG_PRETIMEOUT_GOV build symbol adds watchdog_pretimeout.o
object to watchdog.o, the latter is compiled only if CONFIG_WATCHDOG_CORE
is selected, so it rightfully makes sense to add it as a dependency.

The change fixes the next compilation errors, if CONFIG_WATCHDOG_CORE=n
and CONFIG_WATCHDOG_PRETIMEOUT_GOV=y are selected:

  drivers/watchdog/pretimeout_noop.o: In function `watchdog_gov_noop_register':
  drivers/watchdog/pretimeout_noop.c:35: undefined reference to `watchdog_register_governor'
  drivers/watchdog/pretimeout_noop.o: In function `watchdog_gov_noop_unregister':
  drivers/watchdog/pretimeout_noop.c:40: undefined reference to `watchdog_unregister_governor'

  drivers/watchdog/pretimeout_panic.o: In function `watchdog_gov_panic_register':
  drivers/watchdog/pretimeout_panic.c:35: undefined reference to `watchdog_register_governor'
  drivers/watchdog/pretimeout_panic.o: In function `watchdog_gov_panic_unregister':
  drivers/watchdog/pretimeout_panic.c:40: undefined reference to `watchdog_unregister_governor'

Reported-by: Kuo, Hsuan-Chi <hckuo2@illinois.edu>
Fixes: ff84136cb6a4 ("watchdog: add watchdog pretimeout governor framework")
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
---
 drivers/watchdog/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 242eea859637..fa325b49672e 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -2028,6 +2028,7 @@ comment "Watchdog Pretimeout Governors"
 
 config WATCHDOG_PRETIMEOUT_GOV
 	bool "Enable watchdog pretimeout governors"
+	depends on WATCHDOG_CORE
 	help
 	  The option allows to select watchdog pretimeout governors.
 
-- 
2.20.1


             reply	other threads:[~2019-03-11 23:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-03-11 23:54 Vladimir Zapolskiy [this message]
2019-03-12  0:07 ` [PATCH] watchdog: fix compile time error of pretimeout governors Guenter Roeck

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