3 files changed, 10 insertions, 1 deletions

diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index 38d5a6b22a84..cd52f17028cd 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -142,10 +142,12 @@ static u32 i2c_dw_scl_lcnt(u32 ic_clk, u32 tLOW, u32 tf, int offset)
  */
 int i2c_dw_init(struct dw_i2c_dev *dev)
 {
-        u32 input_clock_khz = clk_get_rate(dev->clk) / 1000;
+        u32 input_clock_khz;
         u32 ic_con, hcnt, lcnt;
         u32 reg;
 
+        input_clock_khz = dev->get_clk_rate_khz(dev);
+
         /* Configure register endianess access */
         reg = dw_readl(dev, DW_IC_COMP_TYPE);
         if (reg == ___constant_swab32(DW_IC_COMP_TYPE_VALUE)) {
diff --git a/drivers/i2c/busses/i2c-designware-core.h b/drivers/i2c/busses/i2c-designware-core.h
index 4e37031c6b68..43de340af57f 100644
--- a/drivers/i2c/busses/i2c-designware-core.h
+++ b/drivers/i2c/busses/i2c-designware-core.h
@@ -166,6 +166,7 @@ struct dw_i2c_dev {
         struct completion       cmd_complete;
         struct mutex            lock;
         struct clk              *clk;
+        u32                     (*get_clk_rate_khz) (struct dw_i2c_dev *dev);
         int                     cmd_err;
         struct i2c_msg          *msgs;
         int                     msgs_num;
diff --git a/drivers/i2c/busses/i2c-designware-platdrv.c b/drivers/i2c/busses/i2c-designware-platdrv.c
index 9d10ae8c6957..08783a6ff1a2 100644
--- a/drivers/i2c/busses/i2c-designware-platdrv.c
+++ b/drivers/i2c/busses/i2c-designware-platdrv.c
@@ -43,6 +43,10 @@ static struct i2c_algorithm i2c_dw_algo = {
         .master_xfer    = i2c_dw_xfer,
         .functionality  = i2c_dw_func,
 };
+static u32 i2c_dw_get_clk_rate_khz(struct dw_i2c_dev *dev)
+{
+        return clk_get_rate(dev->clk)/1000;
+}
 
 static int __devinit dw_i2c_probe(struct platform_device *pdev)
 {
@@ -84,6 +88,8 @@ static int __devinit dw_i2c_probe(struct platform_device *pdev)
         platform_set_drvdata(pdev, dev);
 
         dev->clk = clk_get(&pdev->dev, NULL);
+        dev->get_clk_rate_khz = i2c_dw_get_clk_rate_khz;
+
         if (IS_ERR(dev->clk)) {
                 r = -ENODEV;
                 goto err_free_mem;