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 8B29A1D545; Wed, 19 Jun 2024 14:33:22 +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=1718807602; cv=none; b=a8OWXbnzdr+cbbfF2OnJZ0DdoF4MxyIQVClY+fIfNnLnpyeDJy+PdchGJXTZqUsUCiNyJGuzZaY0ijMJ4S4Mg9SHvQZaz8ss7RdxgwgI8EBU5yk6zs6oaEsHMINGWQyVw3X79UE5yBLIQ7hd8+yaB4ujAJ2y2mOkTsyndat4DEY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718807602; c=relaxed/simple; bh=4J4/INqOxWh7C7XMEDneVXcBMfEaxAM3ar7OIpr3fVs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TO3vhMgQx0V2EWRheyVWYClDVDqnDtrffoG90FbuNYZdJ9I4xxEHDaN7Bxf4rq6Jt0kiQPM6tDJ90aT87ymr00BZqhgZJHmMFAiPt/60lcnBtdO7kw1xTF2cGlNGU9JIq07MSZjr8L5Pun51DAJjlmxu1P+wxm1LaFFvmS6URKM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=adhV4Jb6; 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="adhV4Jb6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D7CB4C2BBFC; Wed, 19 Jun 2024 14:33:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1718807602; bh=4J4/INqOxWh7C7XMEDneVXcBMfEaxAM3ar7OIpr3fVs=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=adhV4Jb6uF72CggtYmqfNP+X1hMT85zC8IEycsra4hCoT3TrcZmXN5CVYJyzS/yBu aHt+LQNwWAoVE9QYygDEiiAVuV7pPvCbsNvGcMq0bY8D+U9X+OMb0TitCVLceyjr1Q QxnGeSi1O/PPc9jfEN2EeFjLtRUXMhMSq1GeoztNCJtlyaBqoZiHR/PLvKXicuRm4r 6h/9f19pDfsSTgtPWgugZY9yE1kMrNuj2+mCjGa5eeW+a36ZEaVZQXUH1XetXBff2d f5NAdYecbPqwAjGc7nuwfsG8Qondmhb+cUpOgZ+Ew+2FdUEfxrEoiN+f/3XCQi/EN+ bkOamhOnw9REA== Date: Wed, 19 Jun 2024 10:33:20 -0400 From: Sasha Levin To: Johan Hovold Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Krishna Kurapati , Bjorn Andersson , Thinh Nguyen , Johan Hovold , Greg Kroah-Hartman , linux-usb@vger.kernel.org Subject: Re: [PATCH AUTOSEL 6.9 16/28] usb: dwc3: core: Access XHCI address space temporarily to read port info Message-ID: References: <20240605114927.2961639-1-sashal@kernel.org> <20240605114927.2961639-16-sashal@kernel.org> 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: On Wed, Jun 05, 2024 at 01:53:22PM +0200, Johan Hovold wrote: >On Wed, Jun 05, 2024 at 07:48:45AM -0400, Sasha Levin wrote: >> From: Krishna Kurapati >> >> [ Upstream commit 921e109c6200741499ad0136e41cca9d16431c92 ] >> >> All DWC3 Multi Port controllers that exist today only support host mode. >> Temporarily map XHCI address space for host-only controllers and parse >> XHCI Extended Capabilities registers to read number of usb2 ports and >> usb3 ports present on multiport controller. Each USB Port is at least HS >> capable. >> >> The port info for usb2 and usb3 phy are identified as num_usb2_ports >> and num_usb3_ports and these are used as iterators for phy operations >> and for modifying GUSB2PHYCFG/ GUSB3PIPECTL registers accordingly. >> >> Signed-off-by: Krishna Kurapati >> Reviewed-by: Bjorn Andersson >> Acked-by: Thinh Nguyen >> Reviewed-by: Johan Hovold >> Tested-by: Johan Hovold >> Link: https://lore.kernel.org/r/20240420044901.884098-3-quic_kriskura@quicinc.com >> Signed-off-by: Greg Kroah-Hartman >> Signed-off-by: Sasha Levin > >This is not a fix. Please drop. Dropped, thanks! -- Thanks, Sasha