On September 7, 2018 11:48:37 PM GMT+02:00, Ajay Gupta wrote:
>> >> Per your comments on v8, the address has to be programmed before
>the
>> >> transfer, but you fail to do that if the first message is a read.
>> > This will never happen. Hint: I2C_AQ_COMB_WRITE_FIRST
>>
>> Yes, it will. If the
Latest NVIDIA GPU card has USB Type-C interface. There is a
Type-C controller which can be accessed over I2C.
This driver adds I2C bus driver to communicate with Type-C controller.
I2C client driver will be part of USB Type-C UCSI driver.
Signed-off-by: Ajay Gupta
Reviewed-by: Andy Shevchenko
Latest NVIDIA GPU cards have a Cypress CCGx Type-C controller
over I2C interface.
This UCSI I2C driver uses I2C bus driver interface for communicating
with Type-C controller.
Signed-off-by: Ajay Gupta
Reviewed-by: Andy Shevchenko
Acked-by: Heikki Krogerus
---
Changes from v1 -> v2
Hi Peter,
> >>> + memcpy(buf1, ((const void *)uc->ppm.data) + 0x20, sizeof(buf1));
> >>> + memcpy(buf2, ((const void *)uc->ppm.data) + 0x8, sizeof(buf2));
> >>> +
> >>> + status = ccg_write(uc, *(u16 *)buf, buf1, sizeof(buf1));
> >>
> >> This seems to be endian-dependent. May I suggest that you
Hi Peter,
> >> Hmm, what do you need to sync read/write with?
> > What if there are multiple clients and each of them wants to use I2C bus for
> read/write?
> > Even in UCSI client, user may want to change alt mode which will
> > result in read/write request in a thread. So we have to synchronize
On 2018-09-07 19:28, Ajay Gupta wrote:
> Hi Peter,
>
>> -Original Message-
>> From: Peter Rosin
>> Sent: Friday, September 7, 2018 2:13 AM
>> To: Ajay Gupta ; w...@the-dreams.de;
>> heikki.kroge...@linux.intel.com
>> Cc: linux-usb@vger.kernel.org; linux-...@vger.kernel.org
>> Subject:
On 2018-09-07 19:15, Ajay Gupta wrote:
> Hi Peter,
>>> Signed-off-by: Ajay Gupta
>>> Reviewed-by: Andy Shevchenko
>>> Reviewed-by: Heikki Krogerus
>>> ---
>>> Changes from v1 -> v2
>>> None
>>> Changes from v2 -> v3
>>> Fixed review comments from Andy and Thierry
>>> Rename
Hi Peter,
> -Original Message-
> From: Peter Rosin
> Sent: Friday, September 7, 2018 2:13 AM
> To: Ajay Gupta ; w...@the-dreams.de;
> heikki.kroge...@linux.intel.com
> Cc: linux-usb@vger.kernel.org; linux-...@vger.kernel.org
> Subject: Re: [PATCH v9 2/2] usb: typec: ucsi: add support for
Hi Peter,
> > Signed-off-by: Ajay Gupta
> > Reviewed-by: Andy Shevchenko
> > Reviewed-by: Heikki Krogerus
> > ---
> > Changes from v1 -> v2
> > None
> > Changes from v2 -> v3
> > Fixed review comments from Andy and Thierry
> > Rename i2c-gpu.c -> i2c-nvidia-gpu.c
> > Changes from v3
On Fri, Sep 07, 2018 at 05:06:12PM +0300, Heikki Krogerus wrote:
> On Fri, Sep 07, 2018 at 06:35:12AM -0700, Guenter Roeck wrote:
> > On 09/07/2018 05:56 AM, Heikki Krogerus wrote:
> > > Moving all the drivers that depend on the Port Controller
> > > Manager under a new a new directory
On Fri, 7 Sep 2018, Cristian wrote:
> Hello,
>
> Open report in:
> https://bugzilla.kernel.org/show_bug.cgi?id=201037
>
> dmesg:
> [7.008154] usb 3-1: device descriptor read/64, error -110
Here's some more of the log:
[7.008154] usb 3-1: device descriptor read/64, error -110
[
Hello,
Open report in:
https://bugzilla.kernel.org/show_bug.cgi?id=201037
dmesg:
[7.008154] usb 3-1: device descriptor read/64, error -110
Best regards,
--
Cristian Aravena Romero (caravena)
On Fri, Sep 07, 2018 at 06:35:12AM -0700, Guenter Roeck wrote:
> On 09/07/2018 05:56 AM, Heikki Krogerus wrote:
> > Moving all the drivers that depend on the Port Controller
> > Manager under a new a new directory drivers/usb/typec/tcpci/
> > and making Guenter Roeck as the designated reviewer of
On 09/07/2018 05:56 AM, Heikki Krogerus wrote:
Moving all the drivers that depend on the Port Controller
Manager under a new a new directory drivers/usb/typec/tcpci/
and making Guenter Roeck as the designated reviewer of that
code.
Signed-off-by: Heikki Krogerus
---
Hi guys,
This should be
Moving all the drivers that depend on the Port Controller
Manager under a new a new directory drivers/usb/typec/tcpci/
and making Guenter Roeck as the designated reviewer of that
code.
Signed-off-by: Heikki Krogerus
---
Hi guys,
This should be fairly trivial change. There is no functional
On Thu, Sep 06, 2018 at 10:59:34PM +0200, Hans de Goede wrote:
> HI,
>
> On 04-09-18 13:22, Heikki Krogerus wrote:
> > This fixes potential "BUG: unable to handle kernel paging
> > request at ..." from happening.
> >
> > Fixes: fde0aa6c175a ("usb: common: Small class for USB role switches")
> >
On 2018-09-07 01:56, Ajay Gupta wrote:
> Latest NVIDIA GPU card has USB Type-C interface. There is a
> Type-C controller which can be accessed over I2C.
>
> This driver adds I2C bus driver to communicate with Type-C controller.
> I2C client driver will be part of USB Type-C UCSI driver.
>
>
On 2018-09-07 01:56, Ajay Gupta wrote:
> Latest NVIDIA GPU cards have a Cypress CCGx Type-C controller
> over I2C interface.
>
> This UCSI I2C driver uses I2C bus driver interface for communicating
> with Type-C controller.
>
> Signed-off-by: Ajay Gupta
> Reviewed-by: Andy Shevchenko
>
On Fri, Sep 07, 2018 at 11:33:23AM +0300, Felipe Balbi wrote:
>
> Hi Greg,
>
> "Gopal, Saranya" writes:
> >> > diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c
> >> b/drivers/usb/roles/intel-xhci-usb-role-switch.c
> >> > index dad2d19..0d1ea82 100644
> >> > ---
Hi Greg,
"Gopal, Saranya" writes:
>> > diff --git a/drivers/usb/roles/intel-xhci-usb-role-switch.c
>> b/drivers/usb/roles/intel-xhci-usb-role-switch.c
>> > index dad2d19..0d1ea82 100644
>> > --- a/drivers/usb/roles/intel-xhci-usb-role-switch.c
>> > +++
+Hans
On Fri, Sep 07, 2018 at 12:32:01PM +0530, saranya.go...@intel.com wrote:
> From: Saranya Gopal
>
> This patch adds static DRD mode for host/device
> mode switch. This fixes the issue where device
> mode was not working after DUT switches to host
> mode with 3.0 OTG connector.
>
>
> -Original Message-
> From: Greg KH [mailto:gre...@linuxfoundation.org]
> Sent: Friday, September 07, 2018 12:49 PM
> To: Gopal, Saranya
> Cc: linux-usb@vger.kernel.org; heikki.kroge...@linux.intel.com; Kuppuswamy,
> Sathyanarayanan ; K V, Abhilash
> ; Balaji, M
> Subject: Re: [PATCH
On Fri, Sep 07, 2018 at 12:32:01PM +0530, saranya.go...@intel.com wrote:
> From: Saranya Gopal
>
> This patch adds static DRD mode for host/device
> mode switch. This fixes the issue where device
> mode was not working after DUT switches to host
> mode with 3.0 OTG connector.
>
> Signed-off-by:
From: Saranya Gopal
This patch adds static DRD mode for host/device
mode switch. This fixes the issue where device
mode was not working after DUT switches to host
mode with 3.0 OTG connector.
Signed-off-by: Saranya Gopal
Signed-off-by: M Balaji
Reviewed-by: Heikki Krogerus
Reviewed-by:
On Fri, Sep 07, 2018 at 11:45:18AM +0530, saranya.go...@intel.com wrote:
> From: saranya
That's not right :(
>
> This patch adds static DRD mode for host/device
> mode switch. This fixes the issue where device
> mode was not working after DUT switches to host
> mode with 3.0 OTG connector.
>
From: saranya
This patch adds static DRD mode for host/device
mode switch. This fixes the issue where device
mode was not working after DUT switches to host
mode with 3.0 OTG connector.
Signed-off-by: saranya
Signed-off-by: M Balaji
Reviewed-by: Heikki Krogerus
Reviewed-by: Kuppuswamy
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