linux-kernel - [PATCH 1/2] watchdog: armada_37xx: Add missing dependency on HAS

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Date:   Sun,  8 Nov 2020 08:25:49 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>
Cc:     linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        Guenter Roeck <linux@...ck-us.net>
Subject: [PATCH 1/2] watchdog: armada_37xx: Add missing dependency on HAS_IOMEM

The following kbuild warning is seen on a system without HAS_IOMEM.

WARNING: unmet direct dependencies detected for MFD_SYSCON
  Depends on [n]: HAS_IOMEM [=n]
  Selected by [y]:
  - ARMADA_37XX_WATCHDOG [=y] && WATCHDOG [=y] && (ARCH_MVEBU || COMPILE_TEST

This results in a subsequent compile error.

drivers/watchdog/armada_37xx_wdt.o: in function `armada_37xx_wdt_probe':
armada_37xx_wdt.c:(.text+0xdc): undefined reference to `devm_ioremap'

Add the missing dependency.

Reported-by: Necip Fazil Yildiran <fazilyildiran@...il.com>
Fixes: 54e3d9b518c8 ("watchdog: Add support for Armada 37xx CPU watchdog")
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 drivers/watchdog/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index fd7968635e6d..b3e8bdaa2a11 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -386,6 +386,7 @@ config ARM_SBSA_WATCHDOG
 config ARMADA_37XX_WATCHDOG
 	tristate "Armada 37xx watchdog"
 	depends on ARCH_MVEBU || COMPILE_TEST
+	depends on HAS_IOMEM
 	select MFD_SYSCON
 	select WATCHDOG_CORE
 	help
-- 
2.17.1