From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752628AbdHRPBv (ORCPT ); Fri, 18 Aug 2017 11:01:51 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:25728 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752407AbdHRO7C (ORCPT ); Fri, 18 Aug 2017 10:59:02 -0400 From: Kishon Vijay Abraham I To: Bjorn Helgaas CC: Joao Pinto , Arnd Bergmann , , , , , , Subject: [PATCH 12/18] PCI: dwc: designware-ep: Do not disable BARs during initialization Date: Fri, 18 Aug 2017 20:28:04 +0530 Message-ID: <20170818145810.17649-13-kishon@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170818145810.17649-1-kishon@ti.com> References: <20170818145810.17649-1-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some platforms like K2G has reserved use of BAR_0 which shouldn't be disabled by software. Avoid disabling all BARs during initialization. Signed-off-by: Kishon Vijay Abraham I --- drivers/pci/dwc/pcie-designware-ep.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/pci/dwc/pcie-designware-ep.c b/drivers/pci/dwc/pcie-designware-ep.c index e70ebe3b9b6f..b3205df38d52 100644 --- a/drivers/pci/dwc/pcie-designware-ep.c +++ b/drivers/pci/dwc/pcie-designware-ep.c @@ -283,7 +283,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) { int ret; void *addr; - enum pci_barno bar; struct pci_epc *epc; struct dw_pcie *pci = to_dw_pcie_from_ep(ep); struct device *dev = pci->dev; @@ -312,9 +311,6 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) return -ENOMEM; ep->outbound_addr = addr; - for (bar = BAR_0; bar <= BAR_5; bar++) - dw_pcie_ep_reset_bar(pci, bar); - if (ep->ops->ep_init) ep->ops->ep_init(ep); -- 2.11.0