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

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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>
This commit is contained in:
Shinya Kuribayashi 2009-11-06 21:45:39 +09:00 committed by Ben Dooks
parent 91b52caec0
commit 78839bd0f2
1 changed files with 3 additions and 4 deletions
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7
drivers/i2c/busses/i2c-designware.c
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@ -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;