diff options
Diffstat (limited to 'drivers/i2c/busses')
| -rw-r--r-- | drivers/i2c/busses/i2c-davinci.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-davinci.c b/drivers/i2c/busses/i2c-davinci.c index ee3fbb8585f..1f3d89c3194 100644 --- a/drivers/i2c/busses/i2c-davinci.c +++ b/drivers/i2c/busses/i2c-davinci.c @@ -187,6 +187,11 @@ static int i2c_davinci_init(struct davinci_i2c_dev *dev) davinci_i2c_write_reg(dev, DAVINCI_I2C_CLKH_REG, clkh); davinci_i2c_write_reg(dev, DAVINCI_I2C_CLKL_REG, clkl); + /* Respond at reserved "SMBus Host" slave address" (and zero); + * we seem to have no option to not respond... + */ + davinci_i2c_write_reg(dev, DAVINCI_I2C_OAR_REG, 0x08); + dev_dbg(dev->dev, "input_clock = %d, CLK = %d\n", input_clock, clk); dev_dbg(dev->dev, "PSC = %d\n", davinci_i2c_read_reg(dev, DAVINCI_I2C_PSC_REG)); @@ -387,7 +392,7 @@ static void terminate_write(struct davinci_i2c_dev *dev) davinci_i2c_write_reg(dev, DAVINCI_I2C_MDR_REG, w); if (!dev->terminate) - dev_err(dev->dev, "TDR IRQ while no data to send\n"); + dev_dbg(dev->dev, "TDR IRQ while no data to send\n"); } /* @@ -473,9 +478,14 @@ static irqreturn_t i2c_davinci_isr(int this_irq, void *dev_id) break; case DAVINCI_I2C_IVR_AAS: - dev_warn(dev->dev, "Address as slave interrupt\n"); - }/* switch */ - }/* while */ + dev_dbg(dev->dev, "Address as slave interrupt\n"); + break; + + default: + dev_warn(dev->dev, "Unrecognized irq stat %d\n", stat); + break; + } + } return count ? IRQ_HANDLED : IRQ_NONE; } |