Hi,
> I am suffering from a similar problem when using the CHIP_BUFFER_TEST
> macro - I have implemented the delay function as:
> static void isp1362_delay(struct device *dev, unsigned int delay)
> {
> (void) *(volatile unsigned long *)UNCACHED_PHYS_0;
> }
>
> but changing to use NDELAY doesn't seem to change the behaviour at all.
>
> This is all on a PXA255 based system.
>
What type of memory access do you use? I'm using VLIO with the MSC
setting 0x7f8c at 99.53MHz memclk. This is probably the only setup
that can guarantee the chips timing requirements.
Be aware that VLIO uses nPWE instead of nWE as write strobe.
Lothar Wassmann
-------------------------------------------------------
SF email is sponsored by - The IT Product Guide
Read honest & candid reviews on hundreds of IT Products from real users.
Discover which products truly live up to the hype. Start reading now.
http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click
_______________________________________________
[email protected]
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel