[PATCH v2 3/3] usb: xhci-mtk: fix unreleased bandwidth data

Greg Kroah-Hartman gregkh at linuxfoundation.org
Thu Dec 10 05:58:45 EST 2020

On Thu, Dec 10, 2020 at 06:47:47PM +0800, Ikjoon Jang wrote:
> xhci-mtk has hooks on add_endpoint() and drop_endpoint() from xhci
> to handle its own sw bandwidth managements and stores bandwidth data
> into internal table every time add_endpoint() is called,
> so when bandwidth allocation fails at one endpoint, all earlier
> allocation from the same interface could still remain at the table.
> This patch adds two more hooks from check_bandwidth() and
> reset_bandwidth(), and make mtk-xhci to releases all failed endpoints
> from reset_bandwidth().
> Fixes: 0cbd4b34cda9 ("xhci: mediatek: support MTK xHCI host controller")
> Signed-off-by: Ikjoon Jang <ikjn at chromium.org>

Shouldn't this be the first patch in the series?  You don't want a fix
to be dependent on code style changes, otherwise it is really really
hard to backport it to older kernels that might need this fix, right?

Can you re-order these patches please?


greg k-h

More information about the linux-arm-kernel mailing list