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authorJean Delvare <jdelvare@suse.de>2015-01-26 20:59:31 +0100
committerWolfram Sang <wsa@the-dreams.de>2015-01-26 22:05:20 +0100
commitd5fd120e7860c2b3d4c936a2ebadb6b244bec4c8 (patch)
treeaccfd5191f854f2bef8b6405ffb3cb07d4e801f0 /drivers/i2c/i2c-core.c
parenti2c: s3c2410: fix ABBA deadlock by keeping clock prepared (diff)
downloadlinux-d5fd120e7860c2b3d4c936a2ebadb6b244bec4c8.tar.xz
linux-d5fd120e7860c2b3d4c936a2ebadb6b244bec4c8.zip
i2c: Only include slave support if selected
Make the slave support depend on CONFIG_I2C_SLAVE. Otherwise it gets included unconditionally, even when it is not needed. I2C bus drivers which implement slave support must select I2C_SLAVE. Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/i2c-core.c')
-rw-r--r--drivers/i2c/i2c-core.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index 39d25a8cb1ad..e9eae57a2b50 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -2972,6 +2972,7 @@ trace:
}
EXPORT_SYMBOL(i2c_smbus_xfer);
+#if IS_ENABLED(CONFIG_I2C_SLAVE)
int i2c_slave_register(struct i2c_client *client, i2c_slave_cb_t slave_cb)
{
int ret;
@@ -3019,6 +3020,7 @@ int i2c_slave_unregister(struct i2c_client *client)
return ret;
}
EXPORT_SYMBOL_GPL(i2c_slave_unregister);
+#endif
MODULE_AUTHOR("Simon G. Vogl <simon@tk.uni-linz.ac.at>");
MODULE_DESCRIPTION("I2C-Bus main module");