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gnss: sirf: fix activation retry handling

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Fix activation helper which would return -ETIMEDOUT even if the last
retry attempt was successful.

Also change the semantics of the retries variable so that it actually
holds the number of retries (rather than tries).

Fixes: d2efbbd18b ("gnss: add driver for sirfstar-based receivers")
Cc: stable <stable@vger.kernel.org>	# 4.19
Signed-off-by: Johan Hovold <johan@kernel.org>
This commit is contained in:
Johan Hovold 2018-12-05 11:21:49 +01:00
parent 2595646791
commit 06fd9ab12b
1 changed files with 3 additions and 3 deletions
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6
drivers/gnss/sirf.c
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@ -168,7 +168,7 @@ static int sirf_set_active(struct sirf_data *data, bool active)
else else
timeout = SIRF_HIBERNATE_TIMEOUT; timeout = SIRF_HIBERNATE_TIMEOUT;
while (retries-- > 0) { do {
sirf_pulse_on_off(data); sirf_pulse_on_off(data);
ret = sirf_wait_for_power_state(data, active, timeout); ret = sirf_wait_for_power_state(data, active, timeout);
if (ret < 0) { if (ret < 0) {
@ -179,9 +179,9 @@ static int sirf_set_active(struct sirf_data *data, bool active)
} }
break; break;
} } while (retries--);
if (retries == 0) if (retries < 0)
return -ETIMEDOUT; return -ETIMEDOUT;
return 0; return 0;