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([2001:a61:13f5:2701:b3a3:b9f5:f3dd:ee85]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48de0ab5262sm4167670f8f.22.2026.10.13.02.34.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 13 Oct 2026 02:35:00 -0700 (PDT) Message-ID: Date: Tue, 13 Oct 2026 11:34:59 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] usb: core: Emit KOBJ_CHANGE on unbound interface To: Fabien Sanglard , Greg Kroah-Hartman , Alan Stern Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <20261012171609.88273-1-sanglardf@google.com> Content-Language: en-US From: Oliver Neukum In-Reply-To: <20261012171609.88273-1-sanglardf@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 12.10.26 19:16, Fabien Sanglard wrote: > As a result, userspace clients like adb only see UNBIND and must poll > /dev/bus/usb to detect when the interface is ready again. Emit a > KOBJ_CHANGE uevent when device_attach() finds no matching driver so > userspace is notified that the interface can be reclaimed. Hi, why do you want to limit this to that specific case? Why not not always tell user space tat a device has been reset? Regards Oliver