Re: [PATCH V6 3/6] usb: typec: ucsi_ccg: Add OF support

[Jon Hunter <jonathanh@nvidia.com>]

On 20/01/2023 09:33, Heikki Krogerus wrote:
> On Thu, Jan 19, 2023 at 12:16:36PM +0000, Jon Hunter wrote:
>> From: Wayne Chang <waynec@nvidia.com>
>>
>> Add device-tree support for the Cypress CCG UCSI driver. The device-tree
>> binding for the Cypress CCG device uses the standard device-tree
>> 'firmware-name' string property to indicate the firmware build that is
>> used. For ACPI a 16-bit property named 'ccgx,firmware-build' is used and
>> if this is not found fall back to the 'firmware-name' property.
>>
>> Signed-off-by: Wayne Chang <waynec@nvidia.com>
>> Co-developed-by: Jon Hunter <jonathanh@nvidia.com>
>> Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
>> ---
>> V5 -> V6: fixed compilation
>> V4 -> V5: add support for 'firmware-name'
>> V1 -> V4: nothing has changed
>>
>>   drivers/usb/typec/ucsi/ucsi_ccg.c | 23 +++++++++++++++++++++--
>>   1 file changed, 21 insertions(+), 2 deletions(-)
>>
>> diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
>> index 46441f1477f2..661a3988b39d 100644
>> --- a/drivers/usb/typec/ucsi/ucsi_ccg.c
>> +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
>> @@ -643,7 +643,7 @@ static int ccg_request_irq(struct ucsi_ccg *uc)
>>   {
>>   	unsigned long flags = IRQF_ONESHOT;
>>   
>> -	if (!has_acpi_companion(uc->dev))
>> +	if (!dev_fwnode(uc->dev))
>>   		flags |= IRQF_TRIGGER_HIGH;
>>   
>>   	return request_threaded_irq(uc->irq, NULL, ccg_irq_handler, flags, dev_name(uc->dev), uc);
>> @@ -1342,6 +1342,7 @@ static int ucsi_ccg_probe(struct i2c_client *client)
>>   {
>>   	struct device *dev = &client->dev;
>>   	struct ucsi_ccg *uc;
>> +	const char *fw_name;
>>   	int status;
>>   
>>   	uc = devm_kzalloc(dev, sizeof(*uc), GFP_KERNEL);
>> @@ -1359,7 +1360,18 @@ static int ucsi_ccg_probe(struct i2c_client *client)
>>   	/* Only fail FW flashing when FW build information is not provided */
>>   	status = device_property_read_u16(dev, "ccgx,firmware-build",
>>   					  &uc->fw_build);
> 
> You don't need this anymore. You already added the new property
> "firmware-name" to drivers/i2c/busses/i2c-nvidia-gpu.c.


I was planning to get rid of this here, but I was not sure if AMD need 
this. I see now that Sanket has confirmed they don't use this and so 
will drop it from here.

Jon

-- 
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