linux-kernel - [PATCH] regmap: Kconfig: Select SPMI when REGMAP

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Message-Id: <1405510797-755-1-git-send-email-pramod.gurav.etc@gmail.com>
Date:	Wed, 16 Jul 2014 17:09:57 +0530
From:	pramod.gurav.etc@...il.com
To:	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org
Cc:	Pramod Gurav <pramod.gurav.etc@...il.com>,
	Josh Cartwright <joshc@...eaurora.org>,
	Mark Brown <broonie@...aro.org>
Subject: [PATCH] regmap: Kconfig: Select SPMI when REGMAP_SPMI is selected

From: Pramod Gurav <pramod.gurav.etc@...il.com>

REGMAP_SPMI module calls some functions from SPMI hence build breaks
when SPMI is not enabled while compiling REGMAP_SPMI with below linker
errors:

drivers/built-in.o: In function `regmap_spmi_ext_read':
:(.text+0x1143ec): undefined reference to `spmi_ext_register_read'
:(.text+0x11443c): undefined reference to `spmi_ext_register_readl'
drivers/built-in.o: In function `regmap_spmi_ext_gather_write':
:(.text+0x1144c4): undefined reference to `spmi_ext_register_write'
:(.text+0x114520): undefined reference to `spmi_ext_register_writel'
drivers/built-in.o: In function `regmap_spmi_base_read':
:(.text+0x1145b8): undefined reference to `spmi_register_read'
drivers/built-in.o: In function `regmap_spmi_base_gather_write':
:(.text+0x114630): undefined reference to `spmi_register_write'
:(.text+0x11465c): undefined reference to `spmi_register_zero_write'

Signed-off-by: Pramod Gurav <pramod.gurav.etc@...il.com>
CC: Josh Cartwright <joshc@...eaurora.org>
CC: Mark Brown <broonie@...aro.org>
---
This was found when I enabled support for Qualcomm QPNP PMICs and was
compiling it. It selects REGMAP_SPMI and hence the crash.

 drivers/base/regmap/Kconfig |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/base/regmap/Kconfig b/drivers/base/regmap/Kconfig
index 4251570..1aa9d71 100644
--- a/drivers/base/regmap/Kconfig
+++ b/drivers/base/regmap/Kconfig
@@ -16,6 +16,7 @@ config REGMAP_SPI
 	tristate
 
 config REGMAP_SPMI
+	select SPMI
 	tristate
 
 config REGMAP_MMIO
-- 
1.7.9.5

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