[U-Boot] [PATCH 0/4] USB: Fix EHCI to work with data cache enabled

Marek Vasut marex at denx.de
Mon Apr 9 05:12:32 CEST 2012


Dear Marek Vasut,

> This patchset reworks the USB core and EHCI-HCD to work with data caches.
> 
> Marek Vasut (3):
>   USB: Drop ehci_alloc/ehci_free in ehci-hcd
>   USB: Drop cache flush bloat in EHCI-HCD
>   USB: Document the QH and qTD antics in EHCI-HCD
> 
> Puneet Saxena (1):
>   USB: Align buffers at cacheline
> 
>  common/cmd_usb.c            |    3 +-
>  common/usb.c                |   22 ++--
>  common/usb_hub.c            |   27 ++--
>  common/usb_storage.c        |   59 +++++-----
>  disk/part_dos.c             |    2 +-
>  drivers/usb/host/ehci-hcd.c |  284
> ++++++++++++++----------------------------- include/scsi.h              | 
>   4 +-
>  include/usb.h               |    4 +-
>  8 files changed, 155 insertions(+), 250 deletions(-)
> 
> Cc: Puneet Saxena <puneets at nvidia.com>

Puneet, can you please test this stuff? It should fix your cache misalignment 
issues. Mine are now gone and USB works with caches on too.

I'd like to queue this for -next.

Best regards,
Marek Vasut


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