iowritexx() not always working for me

Jiri Slaby jirislaby at gmail.com
Wed May 18 17:39:01 UTC 2011


On 05/18/2011 06:38 PM, Dhoti Walla wrote:
> I'm now using pci_iomap() and ioread*/iowrite* and I still face the same
> problems. After every write, I read back the register value and check it.

Are the registers RW or only W? Is the device intended to return
meaningful values from the registers at all?

-- 
js



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