i2c: omap: ack IRQ in parts
According to flow diagrams on OMAP TRMs, we should ACK the IRQ as they happen. Signed-off-by: Felipe Balbi <balbi@ti.com> [Ack the stat OMAP_I2C_STAT_AL in case of arbitration lost] Signed-off-by: Shubhrajyoti D <shubhrajyoti@ti.com> Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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