diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index 75bf3ad180993a2315a9af4dfd3b30f5bd1067f2..a64a192c44a4bd908de8b1fc560bc5ab7eb644dd 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -247,7 +247,13 @@ static void omap_i2c_unidle(struct omap_i2c_dev *dev) omap_i2c_write_reg(dev, OMAP_I2C_CON_REG, OMAP_I2C_CON_EN); } dev->idle = 0; - omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, dev->iestate); + + /* + * Don't write to this register if the IE state is 0 as it can + * cause deadlock. + */ + if (dev->iestate) + omap_i2c_write_reg(dev, OMAP_I2C_IE_REG, dev->iestate); } static void omap_i2c_idle(struct omap_i2c_dev *dev)