From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752715AbdHRO74 (ORCPT ); Fri, 18 Aug 2017 10:59:56 -0400 Received: from fllnx209.ext.ti.com ([198.47.19.16]:64895 "EHLO fllnx209.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752664AbdHRO7y (ORCPT ); Fri, 18 Aug 2017 10:59:54 -0400 From: Kishon Vijay Abraham I To: Bjorn Helgaas CC: Joao Pinto , Arnd Bergmann , , , , , , Subject: [PATCH 10/18] PCI: dwc: designware: Provide page_size to pci_epc_mem Date: Fri, 18 Aug 2017 20:28:02 +0530 Message-ID: <20170818145810.17649-11-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; charset="UTF-8" Content-Transfer-Encoding: 8bit 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 Use the newly introduced __pci_epc_mem_init instead of pci_epc_mem_init to provide page_size to pci_epc_mem. This is in preparation for adding EP support to K2G which has a restriction that the address region should be either divided into 1MB/2MB/4MB or 8MB sizes (Ref: 11.14.4.9.1 Outbound Address Translation in K2G TRM SPRUHY8F January 2016 – Revised May 2017). Signed-off-by: Kishon Vijay Abraham I --- drivers/pci/dwc/pcie-designware-ep.c | 3 ++- drivers/pci/dwc/pcie-designware.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pci/dwc/pcie-designware-ep.c b/drivers/pci/dwc/pcie-designware-ep.c index 398406393f37..e70ebe3b9b6f 100644 --- a/drivers/pci/dwc/pcie-designware-ep.c +++ b/drivers/pci/dwc/pcie-designware-ep.c @@ -328,7 +328,8 @@ int dw_pcie_ep_init(struct dw_pcie_ep *ep) if (ret < 0) epc->max_functions = 1; - ret = pci_epc_mem_init(epc, ep->phys_base, ep->addr_size); + ret = __pci_epc_mem_init(epc, ep->phys_base, ep->addr_size, + ep->page_size); if (ret < 0) { dev_err(dev, "Failed to initialize address space\n"); return ret; diff --git a/drivers/pci/dwc/pcie-designware.h b/drivers/pci/dwc/pcie-designware.h index b4d2a89f8e58..714f6f21ea93 100644 --- a/drivers/pci/dwc/pcie-designware.h +++ b/drivers/pci/dwc/pcie-designware.h @@ -186,6 +186,7 @@ struct dw_pcie_ep { struct dw_pcie_ep_ops *ops; phys_addr_t phys_base; size_t addr_size; + size_t page_size; u8 bar_to_atu[6]; phys_addr_t *outbound_addr; unsigned long ib_window_map; -- 2.11.0