From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 62FA739099A for ; Sat, 25 Jul 2026 05:23:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784956986; cv=none; b=NQW/9myFvkHbF++ORdSb4l8xulFfy2r6iEpP+V9poYZFxU0NH1/mA5LppQNTdriU7qdr1MaxrsALXUez9C6+83IcSqwMyY9JMlgreRjJ+yN97tLetbUXzjy/rV1vffB6/xgXavwxrxUn/iDf+ZY/f2P+Ex1zxKxJwlMNZdd/y94= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784956986; c=relaxed/simple; bh=uEKvXOar/1nhRct47KPgxzBAh4DxFxlxvG/NtG73CoI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=KTVZJIRZbmZXLU2kLWwV95Ygi7WHV22k/533ANchib/ZCzlBUqi1xiU4AVbCvx4DeTRhcthJ8taabyPvCNiYOCZ3KURtVF3/uuH+0X8KNLsA30jGyDHbjOfuoKC6g1SjFwORZeY4qlVIEydAupVI4VLKI06m3E/LTO3MD79p/2M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=avTRafPP; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="avTRafPP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 685C81F000E9; Sat, 25 Jul 2026 05:23:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1784956984; bh=WcukXXZW7m6QUjsVurGxz8prS3GhgGqp0O7apovVlG8=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=avTRafPP3ojoxRAq+CrqvIwvR59gHRI6gqOmb5PhocRrGazF5YnkX+glPJpa3klR4 cLHwtE2exeLrKqjhoJV0TQ/mhVpC6wPif5WOuj8D+Achwcgnjc7k6rIT9uTdb6iZO3 cpLz77Hlf60k5IBcZT76bMvYEMZDT7U2v4Pmbk94= Date: Sat, 25 Jul 2026 07:22:53 +0200 From: Greg KH To: Ishaan Dandekar Cc: nikhilsolanke5@gmail.com, linux-usb@vger.kernel.org Subject: Re: [PATCH] usb: core: quirks: Add 255-bytes initial config read quirk Message-ID: <2026072535-uncork-gonad-4187@gregkh> References: Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Sat, Jul 25, 2026 at 10:35:47AM +0530, Ishaan Dandekar wrote: > Hi Nikhil, > > Thank you for this patch. I can confirm this exact 255-byte config > read issue also affects the ShanWan Wireless Gamepad (dongle ID > 2563:0575). Standard enumeration causes a -71 EPROTO crash and drops > it into a generic Android mode. > > Your logic prevents the firmware crash. > > Tested-by: Ishaan Dandekar > > Could you please fold the following device ID into your quirks list for v2? > > /* ShanWan Wireless Gamepad */ > { USB_DEVICE(0x2563, 0x0575), .driver_info = > USB_QUIRK_WINDOWS_CONFIG_REQ_SIZE }, Just send a follow-on patch for this device so you can get credit for the change? thanks, greg k-h