On Sun, Mar 22, 2020 at 02:00:26PM +0100, Lukasz Majewski wrote: > This patch set is rather a request for testing (and a starting point for the > discussion), as it may improve the robustness of USB with some pendrives - and > yes sacrifice some performance for reliability. > The previous version of this patch: > https://patchwork.ozlabs.org/patch/1244928/ > fixed issue for some network USB adapters and improved stability on TI boards. > This patch also provides very detailed explanation of the problem in the > commit > message. > > With the async support patch applied ( > SHA1: 02b0e1a36c5bc20174299312556ec4e266872bd6 ), the qhtoken variable > has value 0x00 when token shows errors. As a result the error handling path > is not executed. This looks like some missing/broken cache flushing - for > easier > bisecting this patch has been reverted for now
Note that while the original patch returned USB ethernet on the Beagleboard to a functional state with this series applied it's back to non-functional. -- Tom
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