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SubjectRe: [PATCH -next] watchdog/kempld_wdt: fix build for COMPILE_TEST
On Tue, Feb 28, 2017 at 10:31:07AM -0800, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@infradead.org>
>
> Fix kconfig dependencies when COMPILE_TEST is enabled so that
> interdependent module dependencies are configured as needed.
>
> Fixes build when MFD_KEMPLD=m and KEMPLD_WDT=y and COMPILE_TEST=y.
> The problem is in mixing tristate and boolean dependencies.
>
> This fixes 32 build errors like these (most are omitted here):
> drivers/built-in.o: In function `kempld_wdt_stop':
> kempld_wdt.c:(.text+0x19ab8d): undefined reference to `kempld_get_mutex'
> kempld_wdt.c:(.text+0x19ab99): undefined reference to `kempld_read8'
> kempld_wdt.c:(.text+0x19abaa): undefined reference to `kempld_write8'
> kempld_wdt.c:(.text+0x19abbf): undefined reference to `kempld_release_mutex'
> drivers/built-in.o: In function `kempld_wdt_keepalive':
> kempld_wdt.c:(.text+0x19ac24): undefined reference to `kempld_release_mutex'
> drivers/built-in.o: In function `kempld_wdt_set_stage_action.isra.4':
> kempld_wdt.c:(.text+0x19aca1): undefined reference to `kempld_get_mutex'
> drivers/built-in.o: In function `kempld_wdt_set_stage_timeout.isra.5':
> kempld_wdt.c:(.text+0x19adde): undefined reference to `kempld_release_mutex'
> drivers/built-in.o: In function `kempld_wdt_start':
> kempld_wdt.c:(.text+0x19ae89): undefined reference to `kempld_get_mutex'
> drivers/built-in.o: In function `kempld_wdt_get_timeout.isra.6':
> kempld_wdt.c:(.text+0x19b01a): undefined reference to `kempld_read8'
> drivers/built-in.o: In function `kempld_wdt_update_timeouts':
> kempld_wdt.c:(.text+0x19b0c6): undefined reference to `kempld_get_mutex'
> drivers/built-in.o: In function `kempld_wdt_suspend':
> kempld_wdt.c:(.text+0x19b136): undefined reference to `kempld_release_mutex'
> drivers/built-in.o: In function `kempld_wdt_probe':
> kempld_wdt.c:(.text+0x19b1a4): undefined reference to `kempld_get_mutex'
> kempld_wdt.c:(.text+0x19b1bd): undefined reference to `kempld_release_mutex'
>
> Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
> Cc: Michael Brunner <michael.brunner@kontron.com>

And I thought I had that all sorted out :-(

Reviewed-by: Guenter Roeck <linux@roeck-us.net>

> ---
> drivers/watchdog/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> --- linux-next-20170228.orig/drivers/watchdog/Kconfig
> +++ linux-next-20170228/drivers/watchdog/Kconfig
> @@ -1063,7 +1063,7 @@ config HP_WATCHDOG
>
> config KEMPLD_WDT
> tristate "Kontron COM Watchdog Timer"
> - depends on MFD_KEMPLD || COMPILE_TEST
> + depends on MFD_KEMPLD || (MFD_KEMPLD=y && COMPILE_TEST)
> select WATCHDOG_CORE
> help
> Support for the PLD watchdog on some Kontron ETX and COMexpress

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