i2c: designware: fix building driver as module

The designware core and platform are built as separate modules. Export i2c_dw_prepare_clk() so it can be used by the platform driver. Fixes: a34a0b6 ("i2c: designware: move i2c_dw_plat_prepare_clk to common") Signed-off-by: Phil Reid <[email protected]> Acked-by: Jarkko Nikula <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
davidlt · Nov 28, 2017 · 4d67c2e · 4d67c2e
1 parent 10c9ef0
commit 4d67c2e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c
@@ -197,6 +197,7 @@ int i2c_dw_prepare_clk(struct dw_i2c_dev *dev, bool prepare)
 	clk_disable_unprepare(dev->clk);
 	return 0;
 }
+EXPORT_SYMBOL_GPL(i2c_dw_prepare_clk);
 
 int i2c_dw_acquire_lock(struct dw_i2c_dev *dev)
 {