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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>
This commit is contained in:
Shinya Kuribayashi 2009-11-06 21:46:29 +09:00 committed by Ben Dooks
parent e77cf23251
commit 6d2ea4875f
1 changed files with 2 additions and 4 deletions
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6
drivers/i2c/busses/i2c-designware.c
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@ -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;