Title: [7741] trunk/drivers/i2c/busses/i2c-bfin-twi.c: In i2c err interrupt, return completion if this is a smbus quick transfer.
- Revision
- 7741
- Author
- sonicz
- Date
- 2009-11-02 04:12:20 -0500 (Mon, 02 Nov 2009)
Log Message
In i2c err interrupt, return completion if this is a smbus quick transfer.
smbus quick transfer has no data after address byte.
Modified Paths
Diff
Modified: trunk/drivers/i2c/busses/i2c-bfin-twi.c (7740 => 7741)
--- trunk/drivers/i2c/busses/i2c-bfin-twi.c 2009-11-02 07:29:07 UTC (rev 7740)
+++ trunk/drivers/i2c/busses/i2c-bfin-twi.c 2009-11-02 09:12:20 UTC (rev 7741)
@@ -158,18 +158,13 @@
if (mast_stat & BUFWRERR)
dev_dbg(&iface->adap.dev, "Buffer Write Error\n");
- /* if both err and complete int stats are set, return proper
- * results.
+ /* If it is a quick transfer, only address without data,
+ * not an err, return 1.
*/
- if (twi_int_status & MCOMP) {
- /* If it is a quick transfer, only address without data,
- * not an err, return 1.
- * If address is acknowledged return 1.
- */
- if ((iface->writeNum == 0 && (mast_stat & BUFRDERR))
- || !(mast_stat & ANAK))
- iface->result = 1;
- }
+ if (iface->cur_mode == TWI_I2C_MODE_STANDARD &&
+ iface->transPtr == NULL)
+ iface->result = 1;
+
complete(&iface->complete);
return;
}
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