From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B35473271F0; Tue, 4 Nov 2025 13:46:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762264015; cv=none; b=Y8+I/8WfumEF7PGHBS6B5i5sPmALxjeGeFy5+ze+4YqMxsF1TjxJnkOCQOAZQ9fBCEadBLzqD64Cv1n/MuoqUTAuXy86ttPLu5/B9N+m9OE8Bjj9QN0C6ybw6qrpiXmPzoXAySXVddrPvyOvBP/wrHu/qubk1QitCDVBGhamMxI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762264015; c=relaxed/simple; bh=rxIxZWESadAdS+X1adkiZqNofVz64OCQHp0O7UOm4gE=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=dfJbm4TIxbfcoVlPRGElXaVgbt611dVfggs49mxwBOEO40hNQTWdTf+41vnv8TcNdUgxck6OfdpHYEOY04YdO6yzDY/DkqIuqoBBowkY/9dAALEyJYnJu1vse6WfIqjG3+v44PQmEluj2ZN2gYa2RnzcD1e1hsLvY2iedsCCxYk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=f9n/Yx2+; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="f9n/Yx2+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0A8FAC4CEF7; Tue, 4 Nov 2025 13:46:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762264015; bh=rxIxZWESadAdS+X1adkiZqNofVz64OCQHp0O7UOm4gE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=f9n/Yx2+FyUeRLS7mMCSRJ4mxKrHBILim5sT4VRdKLErt2ShB+KD0Wonp+vFS6sCk lQOgvYGod3pHsOyd9zUmWyRe7v3J52mimsGIYPvShnI1QP4mOSsjcLbKB2ImGHCPK6 5zWg8qVk4zNU6FtjJPBSa7PBrNXNSsk/n2T0mVvhdAZObFK+VY4JqqkVKQtbjdQ6Eq RBcF1ZRj7taMvvleUePOvZPDjLVkuiiTi2ccSnIWPjGYu7sEHdYFW9A+oyjg8snb/k ImoDUga1kWM8CIcgXoXBqoUYfS6xWHzcROHTCBbDBVBUqUSAXH1i5AoC6xMCK41iLY GD/qwnYAhwbGQ== Date: Tue, 4 Nov 2025 08:46:53 -0500 From: Sasha Levin To: Michal Pecio Cc: patches@lists.linux.dev, stable@vger.kernel.org, Niklas Neronin , Nick Nielsen , grm1 , Mathias Nyman , Greg Kroah-Hartman , mathias.nyman@intel.com, linux-usb@vger.kernel.org Subject: Re: [PATCH AUTOSEL 6.17-6.12] usb: xhci-pci: add support for hosts with zero USB3 ports Message-ID: References: <20251025160905.3857885-1-sashal@kernel.org> <20251025160905.3857885-36-sashal@kernel.org> <20251025184740.15989ebe.michal.pecio@gmail.com> Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20251025184740.15989ebe.michal.pecio@gmail.com> On Sat, Oct 25, 2025 at 06:47:40PM +0200, Michal Pecio wrote: >On Sat, 25 Oct 2025 11:54:27 -0400, Sasha Levin wrote: >> From: Niklas Neronin >> >> [ Upstream commit 719de070f764e079cdcb4ddeeb5b19b3ddddf9c1 ] >> >> Add xhci support for PCI hosts that have zero USB3 ports. >> Avoid creating a shared Host Controller Driver (HCD) when there is only >> one root hub. Additionally, all references to 'xhci->shared_hcd' are now >> checked before use. >> >> Only xhci-pci.c requires modification to accommodate this change, as the >> xhci core already supports configurations with zero USB3 ports. This >> capability was introduced when xHCI Platform and MediaTek added support >> for zero USB3 ports. >> >> Closes: https://bugzilla.kernel.org/show_bug.cgi?id=220181 >> Tested-by: Nick Nielsen >> Tested-by: grm1 >> Signed-off-by: Niklas Neronin >> Signed-off-by: Mathias Nyman >> Link: https://lore.kernel.org/r/20250917210726.97100-4-mathias.nyman@linux.intel.com >> Signed-off-by: Greg Kroah-Hartman >> Signed-off-by: Sasha Levin >> --- > >Hi Sasha, > >This is completely broken, fix is pending in Greg's usb-linus branch. >(Which is something autosel could perhaps check itself...) > >8607edcd1748 usb: xhci-pci: Fix USB2-only root hub registration I'll add the fix on top, thanks! -- Thanks, Sasha