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[PATCH 06/16] i2c-designware: Remove an useless local variable "num"

To: baruch@tkos.co.il, linux-i2c@vger.kernel.org
Subject: [PATCH 06/16] i2c-designware: Remove an useless local variable "num"
From: Shinya Kuribayashi <shinya.kuribayashi@necel.com>
Date: Tue, 13 Oct 2009 11:50:28 +0900
Cc: ben-linux@fluff.org, linux-mips@linux-mips.org, linux-arm-kernel@lists.infradead.org
In-reply-to: <4AD3E974.8080200@necel.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <4AD3E974.8080200@necel.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Thunderbird 2.0.0.23 (Windows/20090812)
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>
---
drivers/i2c/busses/i2c-designware.c |    6 ++----
1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-designware.c 
b/drivers/i2c/busses/i2c-designware.c
index 205f691..9d81775 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;

--
1.6.5


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