Modified: branches/2009R1/drivers/i2c/busses/i2c-bfin-twi.c (7666 => 7667)
--- branches/2009R1/drivers/i2c/busses/i2c-bfin-twi.c 2009-10-16 09:02:46 UTC (rev 7666)
+++ branches/2009R1/drivers/i2c/busses/i2c-bfin-twi.c 2009-10-16 09:03:54 UTC (rev 7667)
@@ -87,6 +87,7 @@
if (twi_int_status & XMTSERV) {
/* Transmit next data */
if (iface->writeNum > 0) {
+ SSYNC();
write_XMT_DATA8(iface, *(iface->transPtr++));
iface->writeNum--;
}
@@ -108,7 +109,6 @@
write_MASTER_CTL(iface,
(read_MASTER_CTL(iface) | RSTART) & ~MDIR);
}
- SSYNC();
}
if (twi_int_status & RCVSERV) {
if (iface->readNum > 0) {
@@ -130,7 +130,6 @@
} else if (iface->manual_stop) {
write_MASTER_CTL(iface,
read_MASTER_CTL(iface) | STOP);
- SSYNC();
} else if (iface->cur_mode == TWI_I2C_MODE_REPEAT &&
iface->cur_msg + 1 < iface->msg_num) {
if (iface->pmsg[iface->cur_msg + 1].flags & I2C_M_RD)
@@ -139,14 +138,12 @@
else
write_MASTER_CTL(iface,
(read_MASTER_CTL(iface) | RSTART) & ~MDIR);
- SSYNC();
}
}
if (twi_int_status & MERR) {
write_INT_MASK(iface, 0);
write_MASTER_STAT(iface, 0x3e);
write_MASTER_CTL(iface, 0);
- SSYNC();
iface->result = -EIO;
/* if both err and complete int stats are set, return proper
* results.
@@ -185,7 +182,6 @@
/* remove restart bit and enable master receive */
write_MASTER_CTL(iface,
read_MASTER_CTL(iface) & ~RSTART);
- SSYNC();
} else if (iface->cur_mode == TWI_I2C_MODE_REPEAT &&
iface->cur_msg+1 < iface->msg_num) {
iface->cur_msg++;
@@ -204,7 +200,6 @@
write_XMT_DATA8(iface,
*(iface->transPtr++));
iface->writeNum--;
- SSYNC();
}
}
@@ -222,12 +217,10 @@
/* remove restart bit and enable master receive */
write_MASTER_CTL(iface,
read_MASTER_CTL(iface) & ~RSTART);
- SSYNC();
} else {
iface->result = 1;
write_INT_MASK(iface, 0);
write_MASTER_CTL(iface, 0);
- SSYNC();
}
}
complete(&iface->complete);
@@ -247,8 +240,8 @@
break;
/* Clear interrupt status */
write_INT_STAT(iface, twi_int_status);
- SSYNC();
bfin_twi_handle_interrupt(iface, twi_int_status);
+ SSYNC();
}
spin_unlock_irqrestore(&iface->lock, flags);
return IRQ_HANDLED;
