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author | nwhitehorn <nwhitehorn@FreeBSD.org> | 2011-05-28 21:54:18 +0000 |
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committer | nwhitehorn <nwhitehorn@FreeBSD.org> | 2011-05-28 21:54:18 +0000 |
commit | 6182e8b704c704bf06d61942bcea7a82d283cc1d (patch) | |
tree | aab822ec66125ee05cfbf9b0679d89124552adf2 /sys/powerpc/powermac | |
parent | 6caf59586e0d74193c6c5726a474743b20b4423e (diff) | |
download | FreeBSD-src-6182e8b704c704bf06d61942bcea7a82d283cc1d.zip FreeBSD-src-6182e8b704c704bf06d61942bcea7a82d283cc1d.tar.gz |
Require an error instead of a timeout to decide the new-style fan
commands won't work. This prevents a busy system from making smu(4)
suddenly decide its fans use the old-style command set.
MFC after: 3 days
Diffstat (limited to 'sys/powerpc/powermac')
-rw-r--r-- | sys/powerpc/powermac/smu.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/powerpc/powermac/smu.c b/sys/powerpc/powermac/smu.c index 9041b30..09025b1 100644 --- a/sys/powerpc/powermac/smu.c +++ b/sys/powerpc/powermac/smu.c @@ -662,7 +662,7 @@ smu_fan_set_rpm(struct smu_fan *fan, int rpm) cmd.data[3] = rpm & 0xff; error = smu_run_cmd(smu, &cmd, 1); - if (error) + if (error && error != EWOULDBLOCK) fan->old_style = 1; } @@ -695,7 +695,7 @@ smu_fan_read_rpm(struct smu_fan *fan) cmd.data[1] = fan->reg; error = smu_run_cmd(smu, &cmd, 1); - if (error) + if (error && error != EWOULDBLOCK) fan->old_style = 1; rpm = (cmd.data[0] << 8) | cmd.data[1]; |