Re: [PATCH V4 3/5] usb: typec: ucsi_ccg: Replace ccgx to well-known regex

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On Tue, Jan 17, 2023 at 11:29:25PM +0000, Jon Hunter wrote:
> 
> On 17/01/2023 12:02, Heikki Krogerus wrote:
> > On Mon, Jan 16, 2023 at 03:50:43PM +0000, Jon Hunter wrote:
> > > From: Wayne Chang <waynec@xxxxxxxxxx>
> > > 
> > > ccgx is refer to the cypress cypd4226 typec controller.
> > > Replace ccgx to well-known regex "cypress".
> > > 
> > > Signed-off-by: Wayne Chang <waynec@xxxxxxxxxx>
> > > Signed-off-by: Jon Hunter <jonathanh@xxxxxxxxxx>
> > > ---
> > > V2 -> V4: nothing has changed
> > > V1 -> V2: new change added for adding cypress,firmware-build
> > > 
> > >   drivers/usb/typec/ucsi/ucsi_ccg.c | 2 +-
> > >   1 file changed, 1 insertion(+), 1 deletion(-)
> > > 
> > > diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
> > > index 4bc31ed8e5bc..d6114fb8d5a9 100644
> > > --- a/drivers/usb/typec/ucsi/ucsi_ccg.c
> > > +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
> > > @@ -1357,7 +1357,7 @@ static int ucsi_ccg_probe(struct i2c_client *client)
> > >   	INIT_WORK(&uc->pm_work, ccg_pm_workaround_work);
> > >   	/* Only fail FW flashing when FW build information is not provided */
> > > -	status = device_property_read_u16(dev, "ccgx,firmware-build",
> > > +	status = device_property_read_u16(dev, "cypress,firmware-build",
> > >   					  &uc->fw_build);
> > 
> > You need to first add that property to
> > drivers/i2c/busses/i2c-nvidia-gpu.c.
> 
> 
> Looking at this some more, I wonder if we need to keep 'ccgx,firmware-build'
> as a fallback for AMD? It is not clear to me if they implement this property
> or not. Let me know what you think. I will still update the i2c-nvidia-gpu
> driver. 	

AMD needs to answer to that one. Sanket, do you have that device
property ("ccgx,firmware-build") in your ACPI tables (as _DSD device
property) for this device?

thanks,

-- 
heikki



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