hwmon: (applesmc) Bump max wait

A heavy-load test on a MacBookPro6,1 is still showing a substantial amount of read errors. Increasing the maximum wait time to 128 ms resolves the issue. Signed-off-by: Parag Warudkar <[email protected]> Signed-off-by: Henrik Rydberg <[email protected]> Signed-off-by: Guenter Roeck <[email protected]>
cjhuang · Sep 18, 2012 · 521cf64 · 521cf64
1 parent 3ceefe4
commit 521cf64
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
@@ -53,10 +53,10 @@
 
 #define APPLESMC_MAX_DATA_LENGTH 32
 
-/* wait up to 32 ms for a status change. */
+/* wait up to 128 ms for a status change. */
 #define APPLESMC_MIN_WAIT	0x0010
 #define APPLESMC_RETRY_WAIT	0x0100
-#define APPLESMC_MAX_WAIT	0x8000
+#define APPLESMC_MAX_WAIT	0x20000
 
 #define APPLESMC_READ_CMD	0x10
 #define APPLESMC_WRITE_CMD	0x11