Re: pata_mpc52xx - no interrupts when using bestcomm/dma?

2007-10-03 Thread Matt Sealey
Hi guys, I'm not sure if this is a particularly PowerPC problem - more ATA - but I am curious if we just got rid of the MWDMA and UDMA stuff from this patch, would it still work in a sort of PIO mode with the BestComm task being invoked at the right times? All BestComm needs to do is marshall the

Re: pata_mpc52xx - no interrupts when using bestcomm/dma?

2007-08-27 Thread Wolfgang Denk
In message <[EMAIL PROTECTED]> you wrote: > > The problem is that I can't seem to get any interrupts > (not ata, not bestcomm task), when setting up MWDMA/UDMA mode. First, please check the errata. There are some issues in this area - one involves the ATA controller not handling automatic pause

pata_mpc52xx - no interrupts when using bestcomm/dma?

2007-08-27 Thread Domen Puncer
Hi! I'm taking a stab at adding DMA support to pata_mpc52xx driver. It's based on patches from Freescale's ltib (old ide driver). The problem is that I can't seem to get any interrupts (not ata, not bestcomm task), when setting up MWDMA/UDMA mode. Ideas? My current patch: --- drivers/ata/p