From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishon Vijay Abraham I 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> References: <20170818145810.17649-1-kishon@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20170818145810.17649-1-kishon@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Bjorn Helgaas Cc: Joao Pinto , Arnd Bergmann , gregkh@linuxfoundation.org, kishon@ti.com, nsekhar@ti.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org List-Id: linux-omap@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