Hi Paul,
On Tue, 4 Oct 2022 at 17:18, Paul Menzel <pmenzel@xxxxxxxxxxxxx> wrote:
>
> Dear Archie,
>
>
> Thank you for the patch.
>
> Am 04.10.22 um 10:32 schrieb Archie Pusaka:
> > From: Archie Pusaka <apusaka@xxxxxxxxxxxx>
> >
> > On cmd_timeout and there is no reset_gpio, reset the USB port as a
>
> Maybe:
>
> s/there is no/with no/g
>
> > last resort.
>
> Can you please document your test setup, and also mention that you
> change the behavior of:
>
> 1. btusb_intel_cmd_timeout
> 2. btusb_rtl_cmd_timeout
>
> […]
>
>
> Kind regards,
>
> Paul
Thanks for the input!
All done, uploaded v2. PTAL, thanks!
>
>
> > Signed-off-by: Archie Pusaka <apusaka@xxxxxxxxxxxx>
> > Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@xxxxxxxxxx>
> > Reviewed-by: Ying Hsu <yinghsu@xxxxxxxxxxxx>
> >
> > ---
> >
> > drivers/bluetooth/btusb.c | 26 ++++++++++++++++----------
> > 1 file changed, 16 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
> > index 271963805a38..11040124ef79 100644
> > --- a/drivers/bluetooth/btusb.c
> > +++ b/drivers/bluetooth/btusb.c
> > @@ -696,6 +696,19 @@ struct btusb_data {
> > unsigned cmd_timeout_cnt;
> > };
> >
> > +static void generic_usb_reset(struct hci_dev *hdev, struct btusb_data *data)
> > +{
> > + int err;
> > +
> > + bt_dev_err(hdev, "Resetting usb device.");
> > + /* This is not an unbalanced PM reference since the device will reset */
> > + err = usb_autopm_get_interface(data->intf);
> > + if (!err)
> > + usb_queue_reset_device(data->intf);
> > + else
> > + bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d", err);
> > +}
> > +
> > static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
> > {
> > struct btusb_data *data = hci_get_drvdata(hdev);
> > @@ -705,7 +718,7 @@ static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
> > return;
> >
> > if (!reset_gpio) {
> > - bt_dev_err(hdev, "No way to reset. Ignoring and continuing");
> > + generic_usb_reset(hdev, data);
> > return;
> > }
> >
> > @@ -736,7 +749,7 @@ static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
> > return;
> >
> > if (!reset_gpio) {
> > - bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring");
> > + generic_usb_reset(hdev, data);
> > return;
> > }
> >
> > @@ -761,7 +774,6 @@ static void btusb_qca_cmd_timeout(struct hci_dev *hdev)
> > {
> > struct btusb_data *data = hci_get_drvdata(hdev);
> > struct gpio_desc *reset_gpio = data->reset_gpio;
> > - int err;
> >
> > if (++data->cmd_timeout_cnt < 5)
> > return;
> > @@ -787,13 +799,7 @@ static void btusb_qca_cmd_timeout(struct hci_dev *hdev)
> > return;
> > }
> >
> > - bt_dev_err(hdev, "Multiple cmd timeouts seen. Resetting usb device.");
> > - /* This is not an unbalanced PM reference since the device will reset */
> > - err = usb_autopm_get_interface(data->intf);
> > - if (!err)
> > - usb_queue_reset_device(data->intf);
> > - else
> > - bt_dev_err(hdev, "Failed usb_autopm_get_interface with %d", err);
> > + generic_usb_reset(hdev, data);
> > }
> >
> > static inline void btusb_free_frags(struct btusb_data *data)
Cheers,
Archie
