diff options
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/busses/i2c-img-scb.c | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c index c92bcf7c204f..0af554a16ae5 100644 --- a/drivers/i2c/busses/i2c-img-scb.c +++ b/drivers/i2c/busses/i2c-img-scb.c @@ -154,7 +154,6 @@ #define INT_TIMING BIT(18) #define INT_FIFO_FULL_FILLING (INT_FIFO_FULL | INT_FIFO_FILLING) -#define INT_FIFO_EMPTY_EMPTYING (INT_FIFO_EMPTY | INT_FIFO_EMPTYING) /* Level interrupts need clearing after handling instead of before */ #define INT_LEVEL 0x01e00 @@ -176,8 +175,7 @@ INT_WRITE_ACK_ERR | \ INT_FIFO_FULL | \ INT_FIFO_FILLING | \ - INT_FIFO_EMPTY | \ - INT_FIFO_EMPTYING) + INT_FIFO_EMPTY) #define INT_ENABLE_MASK_WAITSTOP (INT_SLAVE_EVENT | \ INT_ADDR_ACK_ERR | \ @@ -874,16 +872,8 @@ static unsigned int img_i2c_auto(struct img_i2c *i2c, return ISR_WAITSTOP; } } else { - if (int_status & INT_FIFO_EMPTY_EMPTYING) { - /* - * The write fifo empty indicates that we're in the - * last byte so it's safe to start a new write - * transaction without losing any bytes from the - * previous one. - * see 2.3.7 Repeated Start Transactions. - */ - if ((int_status & INT_FIFO_EMPTY) && - i2c->msg.len == 0) + if (int_status & INT_FIFO_EMPTY) { + if (i2c->msg.len == 0) return ISR_WAITSTOP; img_i2c_write_fifo(i2c); } |