linux-kernel - [tip:timers/core] clocksource: Increase dependencies of timer-stm32 to limit build wreckage

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Date:	Sun, 21 Jun 2015 11:03:35 -0700
From:	tip-bot for Paul Gortmaker <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	hpa@...or.com, daniel.lezcano@...aro.org, cw00.choi@...sung.com,
	paul.gortmaker@...driver.com, mingo@...nel.org,
	linus.walleij@...aro.org, linux-kernel@...r.kernel.org,
	tglx@...utronix.de, mcoquelin.stm32@...il.com
Subject: [tip:timers/core] clocksource:
  Increase dependencies of timer-stm32 to limit build wreckage

Commit-ID:  1cb6c2151850584ee805fdcf088af0bb81f4b086
Gitweb:     http://git.kernel.org/tip/1cb6c2151850584ee805fdcf088af0bb81f4b086
Author:     Paul Gortmaker <paul.gortmaker@...driver.com>
AuthorDate: Sat, 20 Jun 2015 19:02:32 -0400
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Sun, 21 Jun 2015 20:01:48 +0200

clocksource: Increase dependencies of timer-stm32 to limit build wreckage

This driver leaks out into arch/parisc builds that don't have
CONFIG_GENERIC_CLOCKEVENTS, leading to the following (truncated)
wreckage:

  CC      drivers/clocksource/timer-stm32.o
drivers/clocksource/timer-stm32.c:38:28: error: field 'evtdev' has incomplete type
drivers/clocksource/timer-stm32.c:44:19: warning: 'enum clock_event_mode' declared inside parameter list
drivers/clocksource/timer-stm32.c:44:19: warning: its scope is only this definition or declaration, which is probably not what you want
drivers/clocksource/timer-stm32.c:43:62: error: parameter 1 ('mode') has incomplete type
drivers/clocksource/timer-stm32.c:43:13: error: function declaration isn't a prototype
drivers/clocksource/timer-stm32.c: In function 'stm32_clock_event_set_mode':
drivers/clocksource/timer-stm32.c:47:3: error: type defaults to 'int' in declaration of '__mptr'
drivers/clocksource/timer-stm32.c:47:3: warning: initialization from incompatible pointer type
drivers/clocksource/timer-stm32.c:51:7: error: 'CLOCK_EVT_MODE_PERIODIC' undeclared (first use in this function)
drivers/clocksource/timer-stm32.c:51:7: note: each undeclared identifier is reported only once for each function it appears in
drivers/clocksource/timer-stm32.c:56:7: error: 'CLOCK_EVT_MODE_ONESHOT' undeclared (first use in this function)

Tighten up the dependencies to limit where it gets built by copying
the style of the Kconfig line for CLKSRC_EFM32 a few lines above.

Signed-off-by: Paul Gortmaker <paul.gortmaker@...driver.com>
Cc: Linus Walleij <linus.walleij@...aro.org>
Cc: Chanwoo Choi <cw00.choi@...sung.com>
Cc: Maxime Coquelin <mcoquelin.stm32@...il.com>
Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
Link: http://lkml.kernel.org/r/1434841352-24300-1-git-send-email-paul.gortmaker@windriver.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 drivers/clocksource/Kconfig | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index bec25b3..32164ba 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -112,8 +112,8 @@ config CLKSRC_LPC32XX
 	select CLKSRC_OF
 
 config CLKSRC_STM32
-	bool "Clocksource for STM32 SoCs" if COMPILE_TEST
-	depends on OF
+	bool "Clocksource for STM32 SoCs" if !ARCH_STM32
+	depends on OF && ARM && (ARCH_STM32 || COMPILE_TEST)
 	select CLKSRC_MMIO
 
 config ARM_ARCH_TIMER
--
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