i2c-designware: Remove an useless local variable "num"

We couldn't know the original intent for this variable, but at this
point it's useless.

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, 2 insertions, 4 deletions

diff --git a/drivers/i2c/busses/i2c-designware.c b/drivers/i2c/busses/i2c-designware.c
index 443f398a215..fd1616b3d2b 100644
--- a/drivers/i2c/busses/i2c-designware.c
+++ b/drivers/i2c/busses/i2c-designware.c
@@ -257,7 +257,6 @@ static void
 i2c_dw_xfer_msg(struct dw_i2c_dev *dev)
 {
         struct i2c_msg *msgs = dev->msgs;
-        int num = dev->msgs_num;
         u32 ic_con, intr_mask;
         int tx_limit = dev->tx_fifo_depth - readl(dev->base + DW_IC_TXFLR);
         int rx_limit = dev->rx_fifo_depth - readl(dev->base + DW_IC_RXFLR);
@@ -283,7 +282,7 @@ i2c_dw_xfer_msg(struct dw_i2c_dev *dev)
                 writel(1, dev->base + DW_IC_ENABLE);
         }
 
-        for (; dev->msg_write_idx < num; dev->msg_write_idx++) {
+        for (; dev->msg_write_idx < dev->msgs_num; dev->msg_write_idx++) {
                 /* if target address has changed, we need to
                  * reprogram the target address in the i2c
                  * adapter when we are done with this transfer
@@ -330,11 +329,10 @@ static void
 i2c_dw_read(struct dw_i2c_dev *dev)
 {
         struct i2c_msg *msgs = dev->msgs;
-        int num = dev->msgs_num;
         u32 addr = msgs[dev->msg_read_idx].addr;
         int rx_valid = readl(dev->base + DW_IC_RXFLR);
 
-        for (; dev->msg_read_idx < num; dev->msg_read_idx++) {
+        for (; dev->msg_read_idx < dev->msgs_num; dev->msg_read_idx++) {
                 u32 len;
                 u8 *buf;