Re: [PATCH] usb: ehci-msm: Don't ioremap configuration space exclusively

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On Thu, 2015-04-16 at 10:42 +0300, Ivan T. Ivanov wrote:
> Hi,
> 
> On Wed, 2015-04-15 at 21:28 +0530, Vivek Gautam wrote:
> > On Thu, Apr 9, 2015 at 8:19 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
> > > On Thu, 9 Apr 2015, Ivan T. Ivanov wrote:
> > > 
> > > > This allow same IO space to be shared between HCD and Device
> > > > controller driver. Which can be loaded simultaneously and
> > > > started/stopped on demand by USB OTG PHY driver.
> > 
> > Are you sure ?
> 
> No.
> 
> > Will ehci controller registers overlap with the Device controller's register
> > region ?
> > 
> 
> Well, not exactly DC vs HC region, but at least USB_AHBBURST, USB_AHBMODE,
> USB_USBMODE are used by both OTG phy-msm-usb and this ehci-msm driver.
> And this is broken right now.

Hi Alan, 

Perhaps I have to resend this patch with updated commit
message? Are they any other obstacles? 

Regards,
Ivan
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