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([2001:a61:13f0:9e01:9a7c:db93:afba:8f7f]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-49fdaa4e47csm78584305e9.1.2026.09.22.02.55.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 22 Sep 2026 02:55:59 -0700 (PDT) Message-ID: <38d2639a-d5a3-4d01-ab86-8aa7e2fe75a7@suse.com> Date: Tue, 22 Sep 2026 11:55:58 +0200 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] Bluetooth: btusb: restore powered-off Intel adapters To: Sean Rhodes , linux-bluetooth@vger.kernel.org Cc: Greg Kroah-Hartman , Heikki Krogerus , "Chia-Lin Kao (AceLan)" , Xu Yang , Kees Cook , linux-usb@vger.kernel.org, Marcel Holtmann , Luiz Augusto von Dentz , linux-kernel@vger.kernel.org, Paul Menzel References: <479fdb2638f34ccb02f35a40a34fcdc7cc41ccdf.1789679981.git.sean@starlabs.systems> Content-Language: en-US From: Oliver Neukum In-Reply-To: <479fdb2638f34ccb02f35a40a34fcdc7cc41ccdf.1789679981.git.sean@starlabs.systems> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 17.09.26 23:19, Sean Rhodes wrote: Hi, > Tested on a Star Labs Lite Mk IV with Intel 8087:0aaa. Three Bluetooth > off/on cycles reached ACPI D3cold, restored the same hci0 without a USB > disconnect, and discovery found nearby devices after resume. Have you tested this with a different device and S4? > Signed-off-by: Sean Rhodes > --- > drivers/bluetooth/btusb_main.c | 33 +++++++++++++++++++++++++++++++++ > 1 file changed, 33 insertions(+) > [..] > #ifdef CONFIG_DEV_COREDUMP > static void btusb_coredump(struct device *dev) > { > @@ -5093,6 +5125,7 @@ static struct usb_driver btusb_driver = { > .disconnect = btusb_disconnect, > .suspend = pm_ptr(btusb_suspend), > .resume = pm_ptr(btusb_resume), > + .reset_resume = pm_ptr(btusb_reset_resume), What happens to a connection if a lot of data has been lost? Regards Oliver