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authorArnd Bergmann <arnd@arndb.de>2014-06-05 23:24:12 +0200
committerLee Jones <lee.jones@linaro.org>2014-06-26 13:33:34 +0100
commit1c93c725d61642511f02a3293bcd7e694d0397d2 (patch)
treeab52d4d31348af2c032ba6611b6201975825b527 /drivers/mfd
parenta497c3ba1d97fc69c1e78e7b96435ba8c2cb42ee (diff)
downloadop-kernel-dev-1c93c725d61642511f02a3293bcd7e694d0397d2.zip
op-kernel-dev-1c93c725d61642511f02a3293bcd7e694d0397d2.tar.gz
mfd: UCB1x00: Enable modular build
The UCB1200 / UCB1300 driver uses the MCP_SA11X0 driver, which can be a loadable module, but this results in a link error when UCB1200 itself is built-in: drivers/built-in.o: In function `ucb1x00_io_set_dir': :(.text+0x4a364): undefined reference to `mcp_reg_write' drivers/built-in.o: In function `ucb1x00_io_write': :(.text+0x4a3dc): undefined reference to `mcp_reg_write' drivers/built-in.o: In function `ucb1x00_io_read': :(.text+0x4a400): undefined reference to `mcp_reg_read' drivers/built-in.o: In function `ucb1x00_adc_enable': :(.text+0x4a460): undefined reference to `mcp_enable' ... This can easily be resolved by making CONFIG_MCP_UCB1200 itself a tristate option, since that causes Kconfig to track the dependency correctly. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/Kconfig2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index ee8204c..43706928 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1248,7 +1248,7 @@ config MCP_SA11X0
# Chip drivers
config MCP_UCB1200
- bool "Support for UCB1200 / UCB1300"
+ tristate "Support for UCB1200 / UCB1300"
depends on MCP_SA11X0
select MCP
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