On 8/12/22 10:15, Jan Dabros wrote:
In order to optimize performance, limit amount of back and forth transactions between x86 and PSP. This is done by introduction of semaphore reservation period - that is window in which x86 isn't releasing the bus immediately after each I2C transaction. In order to protect PSP from being starved while waiting for arbitration, after a programmed time bus is automatically released by a deferred function. Signed-off-by: Jan Dabros <jsd@xxxxxxxxxxxx> --- drivers/i2c/busses/i2c-designware-amdpsp.c | 68 +++++++++++++++++----- 1 file changed, 53 insertions(+), 15 deletions(-)
Acked-by: Jarkko Nikula <jarkko.nikula@xxxxxxxxxxxxxxx>
