Commit 78c43af2 authored by Oliver Neukum's avatar Oliver Neukum Committed by Wolfram Sang

i2c-designware: increase timeout of semaphore transfer

Our testing shows the semaphore failing to be transferred on CherryTrail
in about 0.5% of all cases. The existing timeout needs to be lengthened
to accommodate the worst cases.

V2: Rebased on https://cgit.freedesktop.org/drm-intel/commit/?h=topic/designware-baytrailSigned-off-by: default avatarOliver Neukum <oneukum@suse.com>
Reviewed-by: default avatarHans de Goede <hdegoede@redhat.com>
Acked-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: default avatarWolfram Sang <wsa@the-dreams.de>
parent a528fab6
...@@ -22,7 +22,7 @@ ...@@ -22,7 +22,7 @@
#include "i2c-designware-core.h" #include "i2c-designware-core.h"
#define SEMAPHORE_TIMEOUT 100 #define SEMAPHORE_TIMEOUT 500
#define PUNIT_SEMAPHORE 0x7 #define PUNIT_SEMAPHORE 0x7
#define PUNIT_SEMAPHORE_CHT 0x10e #define PUNIT_SEMAPHORE_CHT 0x10e
#define PUNIT_SEMAPHORE_BIT BIT(0) #define PUNIT_SEMAPHORE_BIT BIT(0)
......
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