Otherwise we may race, or will get spurious I2C interrupts: i2c_omap.1: XDR IRQ while no data to send ... Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> --- drivers/i2c/busses/i2c-omap.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/i2c/busses/i2c-omap.c b/drivers/i2c/busses/i2c-omap.c index b09f03f..3f0d178 100644 --- a/drivers/i2c/busses/i2c-omap.c +++ b/drivers/i2c/busses/i2c-omap.c @@ -685,6 +685,9 @@ omap_i2c_isr(int this_irq, void *dev_id) break; } omap_i2c_write_reg(dev, OMAP_I2C_DATA_REG, w); + + /* Ensure write posting of the write */ + omap_i2c_read_reg(dev, OMAP_I2C_DATA_REG); } omap_i2c_ack_stat(dev, stat & (OMAP_I2C_STAT_XRDY | OMAP_I2C_STAT_XDR)); -- 1.5.6.rc3.21.g8c6b5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
