DAVINCI_I2C_STR_REG is a write 1 to clear register,
so don't use a read/modify/write cycle.
Signed-off-by: Troy Kisky <[EMAIL PROTECTED]>
Acked-by: Dirk Behme <[EMAIL PROTECTED]>
Signed-off-by: Kevin Hilman <[EMAIL PROTECTED]>
---
drivers/i2c/busses/i2c-davinci.c | 17 ++++++-----------
1 files changed, 6 insertions(+), 11 deletions(-)
mode change 100644 => 100755 drivers/i2c/busses/i2c-davinci.c
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c
old mode 100644
new mode 100755
index cce5a61..fde2634
--- a/drivers/i2c/busses/i2c-davinci.c
+++ b/drivers/i2c/busses/i2c-davinci.c
@@ -382,9 +382,8 @@ static irqreturn_t i2c_davinci_isr(int this_irq, void
*dev_id)
break;
case DAVINCI_I2C_IVR_ARDY:
- w = davinci_i2c_read_reg(dev, DAVINCI_I2C_STR_REG);
- MOD_REG_BIT(w, DAVINCI_I2C_STR_ARDY, 1);
- davinci_i2c_write_reg(dev, DAVINCI_I2C_STR_REG, w);
+ davinci_i2c_write_reg(dev,
+ DAVINCI_I2C_STR_REG, DAVINCI_I2C_STR_ARDY);
complete(&dev->cmd_complete);
break;
@@ -397,12 +396,9 @@ static irqreturn_t i2c_davinci_isr(int this_irq, void
*dev_id)
if (dev->buf_len)
continue;
- w = davinci_i2c_read_reg(dev,
- DAVINCI_I2C_STR_REG);
- MOD_REG_BIT(w, DAVINCI_I2C_IMR_RRDY, 0);
davinci_i2c_write_reg(dev,
- DAVINCI_I2C_STR_REG,
- w);
+ DAVINCI_I2C_STR_REG,
+ DAVINCI_I2C_IMR_RRDY);
} else
dev_err(dev->dev, "RDR IRQ while no "
"data requested\n");
@@ -428,9 +424,8 @@ static irqreturn_t i2c_davinci_isr(int this_irq, void
*dev_id)
break;
case DAVINCI_I2C_IVR_SCD:
- w = davinci_i2c_read_reg(dev, DAVINCI_I2C_STR_REG);
- MOD_REG_BIT(w, DAVINCI_I2C_STR_SCD, 1);
- davinci_i2c_write_reg(dev, DAVINCI_I2C_STR_REG, w);
+ davinci_i2c_write_reg(dev,
+ DAVINCI_I2C_STR_REG, DAVINCI_I2C_STR_SCD);
complete(&dev->cmd_complete);
break;
--
1.5.4
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