Re: Accessing flash directly from User Space

2009-10-29 Thread Joerg Albert
Jonathan, On 10/28/2009 03:45 PM, Jonathan Haws wrote: Looking through our notes and talking with the engineer who was performing the tests, it was exactly that - MTD was waiting for a signal that was produced differently than the hardware ready signal. By simply polling the flash until

8xx: 2.4.25, fec.c, consistent_alloc and eth_copy_and_sum

2009-06-17 Thread Joerg Albert
Looking into arch/ppc/8xx_io/fec.c in the linuxppc_2_4_devel git tree I wonder if it is necessary to copy every received frame from memory allocated by consistent_alloc into a socket buffer? Couldn't we let the FEC DMA directly into the socket buffer to improve the performance? BTW, has someone