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 <parag.lkml@gmail.com>
Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 2827088..8f3f6f2 100644 (file)
--- 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