Messages in this thread |  | | Subject | Re: [PATCH] usb: ehci-msm: Don't ioremap configuration space exclusively | From | "Ivan T. Ivanov" <> | Date | Thu, 16 Apr 2015 10:42:19 +0300 |
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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@rowland.harvard.edu> 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.
Ivan
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