RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi Felipe, On Monday, June 24, 2019 13:58, Felipe Balbi wrote: > > Hi, > > Ran Wang writes: > >> >> > >> >> > /* Global Debug Queue/FIFO Space Available Register */ > >> >> > >> >> > #define DWC3_GDBGFIFOSPACE_NUM(n)((n) & 0x1f) > >> >> > >> >> > #define DWC3_GDBGFIFOSPACE_TYPE(n)

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi, Ran Wang writes: >> >> > >> >> > /* Global Debug Queue/FIFO Space Available Register */ >> >> > >> >> > #define DWC3_GDBGFIFOSPACE_NUM(n) ((n) & 0x1f) >> >> > >> >> > #define DWC3_GDBGFIFOSPACE_TYPE(n) (((n) << 5) & 0x1e0) >> >> > >> >> > @@ -859,6 +867,7 @@ struct

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi Felipe, On Monday, June 17, 2019 20:53, Felipe Balbi wrote: > Hi, > > Ran Wang writes: > > Hi Felipe, > > > > On Thursday, May 30, 2019 17:09, Ran Wang wrote: > >> > >> > >> > >> >> > /* Global Debug Queue/FIFO Space Available Register */ > >> > >> >> > #define DWC3_GDBGFIFOSPACE_NUM(n)

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi, Ran Wang writes: > Hi Felipe, > > On Thursday, May 30, 2019 17:09, Ran Wang wrote: >> >> >> > >> >> > /* Global Debug Queue/FIFO Space Available Register */ >> > >> >> > #define DWC3_GDBGFIFOSPACE_NUM(n) ((n) & 0x1f) >> > >> >> > #define DWC3_GDBGFIFOSPACE_TYPE(n)(((n) << 5) &

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi Felipe, On Thursday, May 30, 2019 17:09, Ran Wang wrote: > > > > >> >> > /* Global Debug Queue/FIFO Space Available Register */ > > >> >> > #define DWC3_GDBGFIFOSPACE_NUM(n) ((n) & 0x1f) > > >> >> > #define DWC3_GDBGFIFOSPACE_TYPE(n) (((n) << 5) & 0x1e0) > > >> >> > @@ -859,6 +867,7 @@

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi Felipe, On Tuesday, May 28, 2019 18:20, Felipe Balbi wrote: > > >> >> > /* Global Debug Queue/FIFO Space Available Register */ > >> >> > #define DWC3_GDBGFIFOSPACE_NUM(n)((n) & 0x1f) > >> >> > #define DWC3_GDBGFIFOSPACE_TYPE(n) (((n) << 5) & 0x1e0) > >> >> > @@ -859,6 +867,7 @@

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi Felipe, On Wednesday, May 29, 2019 18:25, Felipe Balbi wrote: > > Hi, > > Ran Wang writes: > >> >> >> c) WHAT does this mean for PCI devices? > > > > According to DWC3 data book, I think this (PCI) mean to the case of 'master > bus type = Native' > > The data book describes this feature as

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi, Ran Wang writes: >> >> >> c) WHAT does this mean for PCI devices? > > According to DWC3 data book, I think this (PCI) mean to the case of 'master > bus type = Native' > The data book describes this feature as 'system bus DMA option for the master > bus, > which may be configured as AHB,

RE: [PATCH] usb: dwc3: Enable the USB snooping

HI Felipe, On Tuesday, May 28, 2019 18:20, Felipe Balbi wrote: > > Hi, > > Ran Wang writes: > > > Hi Felipe, > > > > Sorry for the late reply: > > > > On Wednesday, November 15, 2017 18:23, Felipe Balbi wrote: > > that's 1.5 year ago. I really don't remember the details of this

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi, Ran Wang writes: > Hi Felipe, > > Sorry for the late reply: > > On Wednesday, November 15, 2017 18:23, Felipe Balbi wrote: that's 1.5 year ago. I really don't remember the details of this conversation >> Ran Wang writes: >> >> Ran Wang writes: >> >> > Add support for USB3 snooping

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi Felipe, Sorry for the late reply: On Wednesday, November 15, 2017 18:23, Felipe Balbi wrote: > > Hi, > > Ran Wang writes: > >> Ran Wang writes: > >> > Add support for USB3 snooping by asserting bits in register > >> > DWC3_GSBUSCFG0 for data and descriptor. > >> > >> we know *how* to

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi, Ran Wang writes: >> Ran Wang writes: >> > Add support for USB3 snooping by asserting bits in register >> > DWC3_GSBUSCFG0 for data and descriptor. >> >> we know *how* to enable a feature :-) It's always the same, you fiddle with >> some registers

RE: [PATCH] usb: dwc3: Enable the USB snooping

Hi, Ran Wang writes: >> Ran Wang writes: >> > Add support for USB3 snooping by asserting bits in register >> > DWC3_GSBUSCFG0 for data and descriptor. >> >> we know *how* to enable a feature :-) It's always the same, you fiddle with >> some registers and it works. What you failed to tell us

RE: [PATCH] usb: dwc3: Enable the USB snooping

;linux-...@vger.kernel.org>; open > list <linux-kernel@vger.kernel.org>; Jerry Huang <jerry.hu...@nxp.com>; > Rajesh Bhagat <rajesh.bha...@nxp.com>; Leo Li <leoyang...@nxp.com>; Ran > Wang <ran.wan...@nxp.com>; Rob Herring <robh...@kernel.org>; >

RE: [PATCH] usb: dwc3: Enable the USB snooping

Ran > Wang ; Rob Herring ; > devicet...@vger.kernel.org > Subject: Re: [PATCH] usb: dwc3: Enable the USB snooping > > > Hi, > > Ran Wang writes: > > Add support for USB3 snooping by asserting bits in register > > DWC3_GSBUSCFG0 for data and descriptor. >

Re: [PATCH] usb: dwc3: Enable the USB snooping

Hi, Ran Wang writes: > Add support for USB3 snooping by asserting bits > in register DWC3_GSBUSCFG0 for data and descriptor. we know *how* to enable a feature :-) It's always the same, you fiddle with some registers and it works. What you failed to tell us is: a) WHY do

Re: [PATCH] usb: dwc3: Enable the USB snooping

Hi, Ran Wang writes: > Add support for USB3 snooping by asserting bits > in register DWC3_GSBUSCFG0 for data and descriptor. we know *how* to enable a feature :-) It's always the same, you fiddle with some registers and it works. What you failed to tell us is: a) WHY do you need this? b) WHY