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yaml
---
r: 114936
b: refs/heads/master
c: 6e10f65
h: refs/heads/master
v: v3
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David Fries authored and Linus Torvalds committed Oct 16, 2008
1 parent 502d7f5 commit 90bc422
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Showing 2 changed files with 5 additions and 18 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: a08e2d338bab17ac5c51a8f2f25185da18f6710c
refs/heads/master: 6e10f65427ed800ad1026dbf8064ca536ea98afc
21 changes: 4 additions & 17 deletions trunk/drivers/w1/masters/ds2490.c
Original file line number Diff line number Diff line change
Expand Up @@ -490,28 +490,15 @@ static int ds_set_pullup(struct ds_device *dev, int delay)

static int ds_touch_bit(struct ds_device *dev, u8 bit, u8 *tbit)
{
int err, count;
int err;
struct ds_status st;
u16 value = (COMM_BIT_IO | COMM_IM) | ((bit) ? COMM_D : 0);
u16 cmd;

err = ds_send_control(dev, value, 0);
err = ds_send_control(dev, COMM_BIT_IO | COMM_IM | (bit ? COMM_D : 0),
0);
if (err)
return err;

count = 0;
do {
err = ds_wait_status(dev, &st);
if (err)
return err;

cmd = st.command0 | (st.command1 << 8);
} while (cmd != value && ++count < 10);

if (err < 0 || count >= 10) {
printk(KERN_ERR "Failed to obtain status.\n");
return -EINVAL;
}
ds_wait_status(dev, &st);

err = ds_recv_data(dev, tbit, sizeof(*tbit));
if (err < 0)
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