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authorParag Warudkar <parag.lkml@gmail.com>2012-09-17 17:49:55 +0200
committerGuenter Roeck <linux@roeck-us.net>2012-09-18 13:20:49 -0700
commit521cf6489269f5b223c24857d99c779e91f42d3e (patch)
tree09118c4e44ee5126b4f578422a7b7229d803fc19 /drivers/hwmon/applesmc.c
parent3ceefe4319636d89d4bdf40dca9471970f942e4f (diff)
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>
Diffstat (limited to 'drivers/hwmon/applesmc.c')
-rw-r--r--drivers/hwmon/applesmc.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 282708860517..8f3f6f2c45fd 100644
--- 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