Le Wed, 17 Dec 2014 20:40:29 +0800, Peter Chen <peter.chen@xxxxxxxxxxxxx> a écrit : > On Wed, Dec 17, 2014 at 05:31:40PM +0530, Sanchayan Maity wrote: > > On 12/17/2014 02:05 PM, Peter Chen wrote: > > > Hi all, > > > > > > At the first two patches, I add identification registers APIs, we can get > > > controller's revision by using this APIs. Since I don't have enough spec, > > > if there are any errors, tell me. > > > > > > At the third patch, I implement an errata for revision 2.40a, hope it can fix > > > the problem Sanchayan Maity reported. > > > > > > http://www.spinics.net/lists/linux-usb/msg118544.html > > > > > > @Sanchayan, would you please have a test? > > > > > > Peter Chen (3): > > > usb: chipidea: add identification registers access APIs > > > usb: chipidea: add chipidea revision information > > > usb: chipidea: udc: add errata for revision 2.40a > > > > > > drivers/usb/chipidea/bits.h | 10 +++++++++ > > > drivers/usb/chipidea/ci.h | 53 +++++++++++++++++++++++++++++++++++++++++++++ > > > drivers/usb/chipidea/core.c | 23 ++++++++++++++++++-- > > > drivers/usb/chipidea/udc.c | 18 ++++++++++++++- > > > 4 files changed, 101 insertions(+), 3 deletions(-) > > > > > > > Thanks for the patches. > > > > I tested the patches with iperf and tried a few times to be sure. The condition is > > still the same. > > > > Oh, bad luck. Be sure the code I added for 2.40a is ran at your board. > For information we workarounded this errata with the attached patched. It is based on a old version of the driver. We never had time to clean and submit the patch, but it solve the errata in our case. Matthieu
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