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Message-ID: <CAAbRKOsWziTSP6f3UGo7-qsQfzpVZ0YnckxmG=TZVNJwvL-+Wg@mail.gmail.com> Date: Thu, 28 Dec 2017 12:59:35 +0100 From: Leif Liddy <leif.linux@...il.com> To: Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Marcel Holtmann <marcel@...tmann.org>, Kai-Heng Feng <kai.heng.feng@...onical.com>, linux-usb@...r.kernel.org, "open list:BLUETOOTH DRIVERS" <linux-bluetooth@...r.kernel.org>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, stable <stable@...r.kernel.org>, Matthias Kaehlcke <mka@...omium.org>, Brian Norris <briannorris@...omium.org>, Daniel Drake <drake@...lessm.com> Subject: Re: [PATCH 2/2] usb: quirks: Add reset-resume quirk for Dell DW1820 QCA Rome Bluetooth Perhaps targeting all QCA Rome chipsets in the original patch was a bit overkill. I'll try adding the quirk USB_QUIRK_RESET_RESUME for my device (0cf3:e300) in usb core and will report back. -Leif Liddy https://bugzilla.kernel.org/show_bug.cgi?id=193571 On Wed, Dec 27, 2017 at 1:52 PM, Greg Kroah-Hartman <gregkh@...uxfoundation.org> wrote: > On Tue, Dec 26, 2017 at 10:01:46PM +0100, Marcel Holtmann wrote: >> Hi Greg, >> >> > Commit ("fd865802c66bc451dc515ed89360f84376ce1a56 Bluetooth: btusb: fix >> > QCA Rome suspend/resume") enables reset_resume in btusb_probe(). This >> > makes the device resets during btusb_open(), firmware loading gets >> > interrupted as a result. >> > >> > We still want to reset the device to solve the original issue, but we >> > should do it before btusb_open(). >> > >> > Hence, add reset-resume quirk in usb core intead of btusb. >> > >> > Cc: stable@...r.kernel.org >> > Cc: Leif Liddy <leif.linux@...il.com> >> > Cc: Matthias Kaehlcke <mka@...omium.org> >> > Cc: Brian Norris <briannorris@...omium.org> >> > Cc: Daniel Drake <drake@...lessm.com> >> > Signed-off-by: Kai-Heng Feng <kai.heng.feng@...onical.com> >> > >> > --- >> > drivers/usb/core/quirks.c | 3 +++ >> > 1 file changed, 3 insertions(+) >> > >> > diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c >> > index a10b346b9777..96951104c45b 100644 >> > --- a/drivers/usb/core/quirks.c >> > +++ b/drivers/usb/core/quirks.c >> > @@ -197,6 +197,9 @@ static const struct usb_device_id usb_quirk_list[] = { >> > { USB_DEVICE(0x0b05, 0x17e0), .driver_info = >> > USB_QUIRK_IGNORE_REMOTE_WAKEUP }, >> > >> > + /* QCA Rome Bluetooth in Dell DW1820 wireless module */ >> > + { USB_DEVICE(0x0cf3, 0xe007), .driver_info = USB_QUIRK_RESET_RESUME }, >> > + >> >> can I get an ACK from you to take this patch through bluetooth-next tree? Or are you planning to take it? > > It's not in my queue at all, so I didn't even have the chance to take it > :) > > Acked-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
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