Date: Sat, 09 May 2009 12:13:27 -0600 (MDT) From: "M. Warner Losh" <imp@bsdimp.com> To: yohanes@gmail.com Cc: freebsd-arm@FreeBSD.org, freebsd-usb@FreeBSD.org Subject: Re: EHCI Problem on FreeBSD arm port Message-ID: <20090509.121327.-1592325297.imp@bsdimp.com> In-Reply-To: <260bb65e0905091102y272de752r750a3a79940486f@mail.gmail.com> References: <260bb65e0905082115l4f017fb8g85ec88b81c191dc6@mail.gmail.com> <200905091009.06658.hselasky@c2i.net> <260bb65e0905091102y272de752r750a3a79940486f@mail.gmail.com>
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In message: <260bb65e0905091102y272de752r750a3a79940486f@mail.gmail.com>
Yohanes Nugroho <yohanes@gmail.com> writes:
: On Sat, May 9, 2009 at 3:09 PM, Hans Petter Selasky <hselasky@c2i.net> wrote:
:
: > Hi,
: >
: > If the strings are corrupt I would guess at a busdma issue.
:
: thank you, adding a "flush all" instruction makes the USB controller
: works properly.
:
: Now i should check the implementation of the FA526 invalidate/flush
: instruction, because I shouldn't need the extra flush instruction if
: bus_dmamap_sync works properly, right?.
I believe so.
Warner
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