linux-kernel - [PATCH v2 -next] staging: fieldbus: Fix build error without CONFIG_REGMAP

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Date:   Tue, 28 May 2019 22:29:12 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <TheSven73@...il.com>, <gregkh@...uxfoundation.org>
CC:     <linux-kernel@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH v2 -next] staging: fieldbus: Fix build error without CONFIG_REGMAP_MMIO

Fix gcc build error while CONFIG_REGMAP_MMIO is not set

drivers/staging/fieldbus/anybuss/arcx-anybus.o: In function `controller_probe':
arcx-anybus.c: undefined reference to `__devm_regmap_init_mmio_clk'

Select REGMAP_MMIO to fix it.

Reported-by: Hulk Robot <hulkci@...wei.com>
Fixes: 2411a336c8ce ("staging: fieldbus: arcx-anybus: change custom -> mmio regmap")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
v2: fix patch style warning
---
 drivers/staging/fieldbus/anybuss/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/fieldbus/anybuss/Kconfig b/drivers/staging/fieldbus/anybuss/Kconfig
index 8bc3d9a..635a0a7 100644
--- a/drivers/staging/fieldbus/anybuss/Kconfig
+++ b/drivers/staging/fieldbus/anybuss/Kconfig
@@ -14,6 +14,7 @@ if HMS_ANYBUSS_BUS
 config ARCX_ANYBUS_CONTROLLER
 	tristate "Arcx Anybus-S Controller"
 	depends on OF && GPIOLIB && HAS_IOMEM && REGULATOR
+	select REGMAP_MMIO
 	help
 	  Select this to get support for the Arcx Anybus controller.
 	  It connects to the SoC via a parallel memory bus, and
-- 
2.7.4