From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933099AbeEWNyg (ORCPT ); Wed, 23 May 2018 09:54:36 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:43721 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932900AbeEWNyf (ORCPT ); Wed, 23 May 2018 09:54:35 -0400 Subject: Re: [PATCH v2] PCI: qcom: add runtime pm support to pcie_port To: Srinivas Kandagatla , lorenzo.pieralisi@arm.com, bhelgaas@google.com Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org, vkoul@kernel.org References: <20180523104425.6650-1-srinivas.kandagatla@linaro.org> From: Stanimir Varbanov Message-ID: <30d3e568-4e17-4991-70d6-e86e10ef4dea@mm-sol.com> Date: Wed, 23 May 2018 16:54:31 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20180523104425.6650-1-srinivas.kandagatla@linaro.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Srini, On 05/23/2018 01:44 PM, Srinivas Kandagatla wrote: > This patch is required when the pcie controller sits on a bus with > its own power domain and clocks which are controlled via a bus driver > like simple pm bus. As these bus driver have runtime pm enabled, it makes > sense to update the usage counter so that the runtime pm does not suspend > the clks or power domain associated with the bus driver. > > Signed-off-by: Srinivas Kandagatla > Signed-off-by: Bjorn Andersson > --- > drivers/pci/dwc/pcie-qcom.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) Acked-by: Stanimir Varbanov -- regards, Stan