From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Date: Wed, 5 Sep 2012 08:30:24 +0200 Subject: [U-Boot] [PATCH 0/4] USB multi controller In-Reply-To: <1346826104.1487.11.camel@tellur> References: <1346342604-13355-1-git-send-email-dev@lynxeye.de> <5046893B.4020607@wwwdotorg.org> <1346826104.1487.11.camel@tellur> Message-ID: <201209050830.25141.marex@denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Dear Lucas Stach, > Hi Stephen, > > Am Dienstag, den 04.09.2012, 17:05 -0600 schrieb Stephen Warren: > > On 08/30/2012 10:03 AM, Lucas Stach wrote: > > > Hi all, > > > > > > this is a follow up on the patch "USB: EHCI: Initialize multiple > > > USB controllers at once" from Jim Lin. It takes some of the > > > code but has undergone some heavy reworking. > > > > > > When we remove the ifdef horror from the above mentioned patch it's > > > mostly a big interface change to the usb subsystem. As this creates > > > a lot of churn I've split this up into a series. Every patch is self > > > contained so it doesn't break compiles and *should* not regress > > > any functionality on it's own. At least the series is bisectable in > > > case anything goes wrong. I've compile tested all the ARM configs. > > > > > > Both the lowlevel usb and ehci interface change are backward > > > compatible, so implementations that only use one controller can > > > choose to ignore the new interface. All implementations are > > > updated to work with the new function prototypes. > > > > > > For Tegra I've included a patch to actually use the new ehci > > > interface. Patches are based on a Tegra tree with some relevant > > > changes from u-boot-usb picked over, so they should apply to > > > u-boot-usb/master. > > > > Can you explain what this series is based on in a little more detail? I > > tried applying it to Tegra's for-next today, and it wouldn't apply. I > > managed to apply using plain "patch" rather then "git am", but then I > > get a bunch of compile errors:-( > > At the time I wrote those patches the u-boot-usb and u-boot-tegra trees > didn't merge cleanly and I wasted quite some time trying to fix up the > failed merge. In the end I ended up just picking the following over to > my tegra tree, which should be enough to avoid any conflicts with the > usb tree: > > cdeb916120a4 ehci: cosmetic: Define the number of qt_buffers > 44ae0be7461f ehci: Fail for multi-transaction interrupt transfers > 14eb79b7a086 ehci: cosmetic: Define used constants > 5cec214ecd7d ehci-hcd: Boost transfer speed > cffcc5035809 usb_storage: Restore non-EHCI support > 4bee5c83ea46 usb_storage: Remove EHCI constraints > 3e8581bb9589 usb_stor_BBB_transport: Do not delay when not required > db19134615dd ehci: Optimize qTD allocations u-boot-usb master is updated to master and pushed for your enjoyment. > HTH, > Lucas Best regards, Marek Vasut