i2c: iproc: generate stop event for slave writes

commit 068143a8195fb0fdeea1f3ca430b3db0f6d04a53 upstream.

When slave status is I2C_SLAVE_RX_END, generate I2C_SLAVE_STOP
event to i2c_client.

Fixes: c245d94ed106 ("i2c: iproc: Add multi byte read-write support for slave mode")
Signed-off-by: Rayagonda Kokatanur <rayagonda.kokatanur@broadcom.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c
index 9ffdffa..03475f1 100644 (file)
--- a/drivers/i2c/busses/i2c-bcm-iproc.c
+++ b/drivers/i2c/busses/i2c-bcm-iproc.c
@@ -359,6 +359,9 @@ static bool bcm_iproc_i2c_slave_isr(struct bcm_iproc_i2c_dev *iproc_i2c,
                        value = (u8)((val >> S_RX_DATA_SHIFT) & S_RX_DATA_MASK);
                        i2c_slave_event(iproc_i2c->slave,
                                        I2C_SLAVE_WRITE_RECEIVED, &value);
+                       if (rx_status == I2C_SLAVE_RX_END)
+                               i2c_slave_event(iproc_i2c->slave,
+                                               I2C_SLAVE_STOP, &value);
                }
        } else if (status & BIT(IS_S_TX_UNDERRUN_SHIFT)) {
                /* Master read other than start */