Duncan Laurie (dlaurie@chromium.org) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16392
-gerrit
commit 04767c2160d373f4b715dcb61cc5060d3322f5ba Author: Duncan Laurie dlaurie@chromium.org Date: Thu Sep 1 14:22:34 2016 -0700
lpss_i2c: Increase default timeout to 4ms
Increase the default timeout in the LPSS I2C driver to 4ms from 2ms. During testing with some slower devices I found that the existing timeout could be too short leading to transaction failures.
Change-Id: Ied86c7a0aa26d55b31f447c5938803c194d0045e Signed-off-by: Duncan Laurie dlaurie@chromium.org --- src/soc/intel/common/lpss_i2c.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/soc/intel/common/lpss_i2c.c b/src/soc/intel/common/lpss_i2c.c index a9bbbb3..0c8fec4 100644 --- a/src/soc/intel/common/lpss_i2c.c +++ b/src/soc/intel/common/lpss_i2c.c @@ -60,8 +60,8 @@ struct lpss_i2c_regs { uint32_t tx_abort_source; } __attribute__((packed));
-/* Use a ~2ms timeout for various operations */ -#define LPSS_I2C_TIMEOUT_US 2000 +/* Use a ~4ms timeout for various operations */ +#define LPSS_I2C_TIMEOUT_US 4000
/* High and low times in different speed modes (in ns) */ enum {