hwmon: (applesmc) Bump max wait
authorParag Warudkar <parag.lkml@gmail.com>
Mon, 17 Sep 2012 15:49:55 +0000 (17:49 +0200)
committerGuenter Roeck <linux@roeck-us.net>
Tue, 18 Sep 2012 20:20:49 +0000 (13:20 -0700)
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>
drivers/hwmon/applesmc.c

index 2827088..8f3f6f2 100644 (file)
 
 #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