Re: [PATCH v5 1/2] Bluetooth: btusb: use usb vid/pid for initializing hal callbacks

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Hi Kiran,

> For Intel controllers, use vid/pid for initalizing hardware abstraction
> layer callbacks to avoid defining new quirk flags for new products.
> 
> Signed-off-by: Kiran K <kiran.k@xxxxxxxxx>
> ---
> Changes in v5:
> * Use usb vid/pid combination to identify controller type istead of using flags
> 
> Changes in previous versions:
> None. This is a new patch created part of v5
> 
> drivers/bluetooth/btusb.c | 79 ++++++++++++++++++++++++++++-------------------
> 1 file changed, 48 insertions(+), 31 deletions(-)
> 
> diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> index 1005b6e..e2cd78d 100644
> --- a/drivers/bluetooth/btusb.c
> +++ b/drivers/bluetooth/btusb.c
> @@ -3969,13 +3969,21 @@ static int btusb_probe(struct usb_interface *intf,
> 	init_usb_anchor(&data->ctrl_anchor);
> 	spin_lock_init(&data->rxlock);
> 
> -	if (id->driver_info & BTUSB_INTEL_NEW) {
> -		data->recv_event = btusb_recv_event_intel;
> -		data->recv_bulk = btusb_recv_bulk_intel;
> -		set_bit(BTUSB_BOOTLOADER, &data->flags);
> -	} else {
> -		data->recv_event = hci_recv_frame;
> -		data->recv_bulk = btusb_recv_bulk;
> +	data->recv_event = hci_recv_frame;
> +	data->recv_bulk = btusb_recv_bulk;
> +
> +	if (id->idVendor == 0x8087) {
> +		switch (id->idProduct) {
> +		case 0x0025:
> +		case 0x0026:
> +		case 0x0029:
> +		case 0x0a2b:
> +		case 0x0aaa:
> +			data->recv_event = btusb_recv_event_intel;
> +			data->recv_bulk = btusb_recv_bulk_intel;
> +			set_bit(BTUSB_BOOTLOADER, &data->flags);
> +			break;
> +		}
> 	}

please don’t do this. This is exactly what I didn’t want. Listing PID in the device table and then also again in the probe callback is bound to be error prone.

Regards

Marcel




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