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>
Reviewed-on: https://review.coreboot.org/16392
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
This commit is contained in:
Duncan Laurie 2016-09-01 14:22:34 -07:00 committed by Martin Roth
parent 36d405268f
commit d1cab66502
1 changed files with 2 additions and 2 deletions

View File

@ -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 {