Messages in this thread | | | Date | Mon, 15 Aug 2022 14:17:53 +0300 | Subject | Re: [PATCH v2] i2c: designware: Introduce semaphore reservation timer to AMDPSP driver | From | Jarkko Nikula <> |
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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@semihalf.com> > --- > drivers/i2c/busses/i2c-designware-amdpsp.c | 68 +++++++++++++++++----- > 1 file changed, 53 insertions(+), 15 deletions(-) > Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
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