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| author | Colin Leroy <colin@colino.net> | 2005-05-25 12:31:34 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-05-25 15:31:29 -0700 |
| commit | a8bacec09352b86bd389cc93a20008577fa14764 (patch) | |
| tree | 608170ccc532ea2b96f1a5f073ae154cb8ce80fc /drivers/macintosh/therm_adt746x.c | |
| parent | 3bf4fb820d7382318d178bd765c20028415466ab (diff) | |
| download | linux-3.10-a8bacec09352b86bd389cc93a20008577fa14764.tar.gz linux-3.10-a8bacec09352b86bd389cc93a20008577fa14764.tar.bz2 linux-3.10-a8bacec09352b86bd389cc93a20008577fa14764.zip | |
[PATCH] Make sure therm_adt746x only handles known hardware
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>
Diffstat (limited to 'drivers/macintosh/therm_adt746x.c')
| -rw-r--r-- | drivers/macintosh/therm_adt746x.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/macintosh/therm_adt746x.c b/drivers/macintosh/therm_adt746x.c index e0ac63effa5..c7e84abe895 100644 --- a/drivers/macintosh/therm_adt746x.c +++ b/drivers/macintosh/therm_adt746x.c @@ -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; |