Move the i2c_dw_plat_prepare_clk funciton to common file in preparation
for its use also by the master driver.
Acked-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Signed-off-by: Phil Reid <preid@xxxxxxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-designware-common.c | 13 +++++++++++++
drivers/i2c/busses/i2c-designware-core.h | 1 +
drivers/i2c/busses/i2c-designware-platdrv.c | 12 ------------
3 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c
index d1a6937..b79f342 100644
--- a/drivers/i2c/busses/i2c-designware-common.c
+++ b/drivers/i2c/busses/i2c-designware-common.c
@@ -21,6 +21,7 @@
* ----------------------------------------------------------------------------
*
*/
+#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/errno.h>
@@ -185,6 +186,18 @@ unsigned long i2c_dw_clk_rate(struct dw_i2c_dev *dev)
return dev->get_clk_rate_khz(dev);
}
+int i2c_dw_plat_prepare_clk(struct dw_i2c_dev *i_dev, bool prepare)
+{
+ if (IS_ERR(i_dev->clk))
+ return PTR_ERR(i_dev->clk);
+
+ if (prepare)
+ return clk_prepare_enable(i_dev->clk);
+
+ clk_disable_unprepare(i_dev->clk);
+ return 0;
+}
+
int i2c_dw_acquire_lock(struct dw_i2c_dev *dev)
{
int ret;
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index 21bf619..e80a14c 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -301,6 +301,7 @@ struct dw_i2c_dev {
void __i2c_dw_enable(struct dw_i2c_dev *dev, bool enable);
void __i2c_dw_enable_and_wait(struct dw_i2c_dev *dev, bool enable);
unsigned long i2c_dw_clk_rate(struct dw_i2c_dev *dev);
+int i2c_dw_plat_prepare_clk(struct dw_i2c_dev *i_dev, bool prepare);
int i2c_dw_acquire_lock(struct dw_i2c_dev *dev);
void i2c_dw_release_lock(struct dw_i2c_dev *dev);
int i2c_dw_wait_bus_not_busy(struct dw_i2c_dev *dev);
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 58add69..a5fd0ee 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -214,18 +214,6 @@ static void i2c_dw_configure_slave(struct dw_i2c_dev *dev)
}
}
-static int i2c_dw_plat_prepare_clk(struct dw_i2c_dev *i_dev, bool prepare)
-{
- if (IS_ERR(i_dev->clk))
- return PTR_ERR(i_dev->clk);
-
- if (prepare)
- return clk_prepare_enable(i_dev->clk);
-
- clk_disable_unprepare(i_dev->clk);
- return 0;
-}
-
static void dw_i2c_set_fifo_size(struct dw_i2c_dev *dev, int id)
{
u32 param, tx_fifo_depth, rx_fifo_depth;
--
1.8.3.1
