i2c-designware: i2c_dw_read: Use "struct dw_i2c_dev" pointer

We don't have to use "struct i2c_adapter" pointer here.
Let's use a local "struct dw_i2c_dev" pointer, instead.

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c
index 139f5556b610..bb7b25766ea9 100644
--- a/drivers/i2c/busses/i2c-designware.c
+++ b/drivers/i2c/busses/i2c-designware.c
@@ -328,9 +328,8 @@ i2c_dw_xfer_msg(struct i2c_adapter *adap)
 }
 
 static void
-i2c_dw_read(struct i2c_adapter *adap)
+i2c_dw_read(struct dw_i2c_dev *dev)
 {
-        struct dw_i2c_dev *dev = i2c_get_adapdata(adap);
         struct i2c_msg *msgs = dev->msgs;
         int num = dev->msgs_num;
         u32 addr = msgs[dev->msg_read_idx].addr;
@@ -416,7 +415,7 @@ i2c_dw_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
         if (likely(!dev->cmd_err)) {
                 /* read rx fifo, and disable the adapter */
                 do {
-                        i2c_dw_read(adap);
+                        i2c_dw_read(dev);
                 } while (dev->status & STATUS_READ_IN_PROGRESS);
                 writel(0, dev->base + DW_IC_ENABLE);
                 ret = num;
@@ -450,7 +449,7 @@ static void dw_i2c_pump_msg(unsigned long data)
         struct dw_i2c_dev *dev = (struct dw_i2c_dev *) data;
         u32 intr_mask;
 
-        i2c_dw_read(&dev->adapter);
+        i2c_dw_read(dev);
         i2c_dw_xfer_msg(&dev->adapter);
 
         intr_mask = DW_IC_INTR_STOP_DET | DW_IC_INTR_TX_ABRT;