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 <[EMAIL PROTECTED]>
---
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
--
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