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[PATCH] Make sure therm_adt746x only handles known hardware

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This patch limits therm_adt746x to currently existing fan controllers in
Apple laptops.  It may avoid problems with future hardware.

Signed-off-by: Colin Leroy <colin@colino.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Colin Leroy 2005-05-25 12:31:34 -07:00 committed by Linus Torvalds
parent 3bf4fb820d
commit a8bacec093
1 changed files with 6 additions and 0 deletions
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6
drivers/macintosh/therm_adt746x.c
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@ -545,6 +545,12 @@ thermostat_init(void)
else
return -ENODEV;
prop = (u32 *)get_property(np, "hwsensor-params-version", NULL);
printk(KERN_INFO "adt746x: version %d (%ssupported)\n", *prop,
(*prop == 1)?"":"un");
if (*prop != 1)
return -ENODEV;
prop = (u32 *)get_property(np, "reg", NULL);
if (!prop)
return -ENODEV;