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| author | Duncan Laurie <dlaurie@chromium.org> | 2016-09-01 14:22:34 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2016-09-04 05:31:37 +0200 |
| commit | d1cab6650261a2e6e75ff85b1868d723f1e1cc79 (patch) | |
| tree | a5ab23cd225865ff0cf7db8162c1db73ecfa37bb /src/soc/intel | |
| parent | 36d405268f040208cd26902f3c0b5346f7d4d25b (diff) | |
| download | coreboot-d1cab6650261a2e6e75ff85b1868d723f1e1cc79.tar.xz | |
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>
Diffstat (limited to 'src/soc/intel')
| -rw-r--r-- | src/soc/intel/common/lpss_i2c.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/soc/intel/common/lpss_i2c.c b/src/soc/intel/common/lpss_i2c.c index a9bbbb32a7..0c8fec44b5 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 { |