svn commit: r209301 - head/sys/dev/iicbus
Nathan Whitehorn
nwhitehorn at FreeBSD.org
Fri Jun 18 14:20:54 UTC 2010
Author: nwhitehorn
Date: Fri Jun 18 14:20:54 2010
New Revision: 209301
URL: http://svn.freebsd.org/changeset/base/209301
Log:
Revert changes accidentally committed as part of r209298.
Modified:
head/sys/dev/iicbus/iiconf.c
Modified: head/sys/dev/iicbus/iiconf.c
==============================================================================
--- head/sys/dev/iicbus/iiconf.c Fri Jun 18 14:17:45 2010 (r209300)
+++ head/sys/dev/iicbus/iiconf.c Fri Jun 18 14:20:54 2010 (r209301)
@@ -363,7 +363,7 @@ iicbus_transfer(device_t bus, struct iic
int
iicbus_transfer_gen(device_t dev, struct iic_msg *msgs, uint32_t nmsgs)
{
- int i, error, lenread, lenwrote, nkid, rpstart, addr;
+ int i, error, lenread, lenwrote, nkid;
device_t *children, bus;
if ((error = device_get_children(dev, &children, &nkid)) != 0)
@@ -373,38 +373,14 @@ iicbus_transfer_gen(device_t dev, struct
return (EIO);
}
bus = children[0];
- rpstart = 0;
free(children, M_TEMP);
for (i = 0, error = 0; i < nmsgs && error == 0; i++) {
- addr = msgs[i].slave;
if (msgs[i].flags & IIC_M_RD)
- addr |= LSB;
+ error = iicbus_block_read(bus, msgs[i].slave,
+ msgs[i].buf, msgs[i].len, &lenread);
else
- addr &= ~LSB;
-
- if (!(msgs[i].flags & IIC_M_NOSTART)) {
- if (rpstart)
- error = iicbus_repeated_start(bus, addr, 0);
- else
- error = iicbus_start(bus, addr, 0);
- }
-
- if (error)
- break;
-
- if (msgs[i].flags & IIC_M_RD)
- error = iicbus_read(bus, msgs[i].buf, msgs[i].len,
- &lenread, IIC_LAST_READ, 0);
- else
- error = iicbus_write(bus, msgs[i].buf, msgs[i].len,
- &lenwrote, 0);
-
- if (!(msgs[i].flags & IIC_M_NOSTOP)) {
- rpstart = 0;
- iicbus_stop(bus);
- } else {
- rpstart = 1; /* Next message gets repeated start */
- }
+ error = iicbus_block_write(bus, msgs[i].slave,
+ msgs[i].buf, msgs[i].len, &lenwrote);
}
return (error);
}
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