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Groups > linux.kernel > #1416134
| From | Roger Quadros <rogerq@ti.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux |
| Date | 2016-06-07 14:50 +0200 |
| Message-ID | <rHoCe-2KD-17@gated-at.bofh.it> (permalink) |
| References | (8 earlier) <rGWPE-1F4-13@gated-at.bofh.it> <rHfIC-5zJ-5@gated-at.bofh.it> <rHiGt-7uM-13@gated-at.bofh.it> <rHjjc-7Z6-23@gated-at.bofh.it> <rHluG-Te-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 07/06/16 12:27, Lu Baolu wrote: > Hi, > > On 06/07/2016 02:34 PM, Jun Li wrote: >>>> On 06/07/2016 11:03 AM, Jun Li wrote: >>>>>> Hi Roger >>>>>> >>>>>>>> >>>>>>>> For Mux devices implementing dual-role, the mux device driver _must_ >>>>>>>> use OTG/dual-role core API so that a common ABI is presented to user >>>>>>>> space for OTG/dual-role. >>>>>> That's the only point we have concern, do dual role switch through >>>>>> OTG/dual-role core, not do it by itself. >>>> >>>> That really depends on how do you define "dual role". Can you please >>>> provide an unambiguous definition of "dual role" used in OTG/dual-role >>>> framework? >> Host and peripheral. >> > > This is definitely ambiguous. > > By reading OTG/dual-role code, my understanding is that "dual-role" is a > "reduced OTG" which is for DRD devices lacking of some OTG negotiation > protocols. DRD means dual role with zero OTG features, which is similar to just host and peripheral mode. > > We really can't say "it's the scope of OTG/dual-role" whenever it comes to > "host and peripheral". What other combination you foresee? cheers, -roger
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[PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-02 03:40 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Peter Chen <hzpeterchen@gmail.com> - 2016-06-03 09:50 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Heikki Krogerus <heikki.krogerus@linux.intel.com> - 2016-06-03 10:20 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Peter Chen <hzpeterchen@gmail.com> - 2016-06-03 11:30 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-03 18:10 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Peter Chen <hzpeterchen@gmail.com> - 2016-06-04 04:40 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-05 09:00 +0200
RE: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Jun Li <jun.li@nxp.com> - 2016-06-05 10:40 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-05 10:50 +0200
RE: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Jun Li <jun.li@nxp.com> - 2016-06-06 03:10 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-06 04:40 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Peter Chen <hzpeterchen@gmail.com> - 2016-06-06 04:20 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-06 04:50 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Peter Chen <hzpeterchen@gmail.com> - 2016-06-06 09:00 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Peter Chen <hzpeterchen@gmail.com> - 2016-06-06 03:40 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-06 05:10 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Peter Chen <hzpeterchen@gmail.com> - 2016-06-06 09:10 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-06 09:40 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Roger Quadros <rogerq@ti.com> - 2016-06-06 09:10 +0200
RE: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Jun Li <jun.li@nxp.com> - 2016-06-07 05:20 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-07 08:30 +0200
RE: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Jun Li <jun.li@nxp.com> - 2016-06-07 09:10 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-07 11:30 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Roger Quadros <rogerq@ti.com> - 2016-06-07 14:50 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Lu Baolu <baolu.lu@linux.intel.com> - 2016-06-07 12:00 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Roger Quadros <rogerq@ti.com> - 2016-06-07 15:00 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Felipe Balbi <felipe.balbi@linux.intel.com> - 2016-06-07 15:10 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Roger Quadros <rogerq@ti.com> - 2016-06-07 16:10 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Felipe Balbi <felipe.balbi@linux.intel.com> - 2016-06-07 17:10 +0200
RE: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Jun Li <jun.li@nxp.com> - 2016-06-08 05:10 +0200
RE: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Jun Li <jun.li@nxp.com> - 2016-06-08 08:30 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Peter Chen <hzpeterchen@gmail.com> - 2016-06-08 08:40 +0200
Re: [PATCH v10 2/7] usb: mux: add generic code for dual role port mux Roger Quadros <rogerq@ti.com> - 2016-06-08 10:00 +0200
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