Messages in this thread | | | From | Jan Dąbroś <> | Date | Mon, 22 Aug 2022 12:31:30 +0200 | Subject | Re: [PATCH v2] i2c: designware: Introduce semaphore reservation timer to AMDPSP driver |
| |
pon., 15 sie 2022 o 13:17 Jarkko Nikula <jarkko.nikula@linux.intel.com> napisał(a): > > 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>
Thanks!
Best Regards, Jan
| |