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authorShinya Kuribayashi <shinya.kuribayashi@necel.com>2009-11-06 13:45:39 +0100
committerBen Dooks <ben-linux@fluff.org>2009-12-09 01:19:10 +0100
commit78839bd0f22c3b6e7273568e042bf4d637cfedb3 (patch)
tree496b7e33c1b6926ea84dcd2b0d15e6df269fbbaa /drivers/i2c/busses/i2c-designware.c
parenti2c-designware: Use platform_get_irq helper (diff)
downloadlinux-78839bd0f22c3b6e7273568e042bf4d637cfedb3.tar.xz
linux-78839bd0f22c3b6e7273568e042bf4d637cfedb3.zip
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>
Diffstat (limited to 'drivers/i2c/busses/i2c-designware.c')
-rw-r--r--drivers/i2c/busses/i2c-designware.c7
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;