[PATCH v3 1/1] USB: cns3xxx: Add EHCI and OHCI bus glue for cns3xxx SOCs

Anton Vorontsov cbouatmailru at gmail.com
Fri Nov 26 10:11:31 EST 2010


On Thu, Nov 25, 2010 at 03:22:06PM -0500, Alan Stern wrote:
[...]
> > > > From: Mac Lin <mkl0301 at gmail.com>
> > > > 
> > > > The CNS3XXX SOC has include USB EHCI and OHCI compatible controllers. This
> > > > patch adds the necessary glue logic to allow ehci-hcd and ohci-hcd drivers to
> > > > work on CNS3XXX
> > > > 
> > > > The EHCI and OHCI controllers share a common clock control and reset bit,
> > > > therefore additional check for the timming of enabling and disabling is
> > > > required. The USB bit of PLL Power Down Control is also shared by OTG, 24MHz
> > > > UART clock, Crypto clock, PCIe reference clock, and Clock Scale Generator.
> > > > Therefore we only ensure it is enabled, while not disabling it.
> > > > 
> > > > Signed-off-by: Mac Lin <mkl0301 at gmail.com>
> > > 
> > > Thanks for the patch!
> > > 
> > > Cc'ing Greg.
> > > 
> > > Greg, the patch doesn't touch any sensitive parts of EHCI and OHCI
> > > drivers, can I take it via ARM subtree? This is to not introduce
> > > cross-tree dependencies (the patch depends on some arch-specific
> > > changes).
> > 
> > Please get Alan Stern to ack it as well, as he knows the proper
> > callbacks that you need to ensure are present.
> 
> As far as the callbacks are concerned, this looks fine.
> 
> Acked-by: Alan Stern <stern at rowland.harvard.edu>

Thanks Alan!

Greg, should I treat your 'to ack it as well' as 'Acked-by'? :-)

-- 
Anton Vorontsov
Email: cbouatmailru at gmail.com



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