Messages in this thread | | | Subject | Re: [PATCH 12/37] atl1c: restore max-read-request-size in Device Conrol Register | From | Ben Hutchings <> | Date | Fri, 13 Apr 2012 18:02:43 +0100 |
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On Fri, 2012-04-13 at 08:14 +0800, xiong wrote: > in some platforms, we found the max-read-request-size in Device Control > Register is set to 0 by (BIOS?) during bootup, this will cause the > performance(throughput) very bad. > Restore it to a min-value. > register definition of REG_DEVICE_CTRL is refined as well. [...]
I'm guessing this memory-mapped register is an alias for the PCIe device control register. I think you should be using pcie_set_readrq() to ensure that the final setting conforms to the device's Max Payload Size and system policy.
Ben.
-- Ben Hutchings, Staff Engineer, Solarflare Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked.
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