On Tuesday, April 23, 2013 9:29 AM, H Hartley Sweeten wrote: > On April 23, 2013 4:32 AM , Ian Abbott wrote: <snip> >> Though I'm wondering whether or not AI command support on the ISA card >> when no DMA channel is specified works the same as on PCMCIA. > > My guess is that the AI command support works fine with just > Interrupts. But, the maximum acquisition rate would be lower. > > For simplicity, and since this is a legacy driver, it might be worth just > stripping out the DMA support completely. It would make splitting > the ISA support out easier. FYI, removing all the ISA DMA support in this driver results in a diffstat of: drivers/staging/comedi/drivers/ni_labpc.c | 207 ++-------------------------------------------------------- drivers/staging/comedi/drivers/ni_labpc.h | 4 +- 2 files changed, 5 insertions(+), 206 deletions(-) It also remove the dependency on VIRT_TO_BUS which is deprecated. Regards, Hartley _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
