Re: interrupt latency spi

2008-04-03 Thread Gabriel Paubert
On Thu, Apr 03, 2008 at 09:09:04AM -0400, mejjad lahcen wrote: > hi all of you , > I am wndering if someone has already done test for interrupt latency on > linx 2.6.23 mpc5200b. > I am working on writing a driver which is get SPi involved on design, and I > know that the spi interrupt will occur

interrupt latency spi

2008-04-03 Thread mejjad lahcen
hi all of you , I am wndering if someone has already done test for interrupt latency on linx 2.6.23 mpc5200b. I am working on writing a driver which is get SPi involved on design, and I know that the spi interrupt will occurs at every 2 us ( speed 4 MHz interupt occurs when It recieves on bytes)