Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753320AbdCMNoX (ORCPT ); Mon, 13 Mar 2017 09:44:23 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:35788 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752496AbdCMNoM (ORCPT ); Mon, 13 Mar 2017 09:44:12 -0400 From: Kishon Vijay Abraham I To: Bjorn Helgaas , Joao Pinto , Niklas Cassel , , , , CC: , Subject: [PATCH v4 3/7] PCI: dwc: artpec6: Populate cpu_addr_fixup ops Date: Mon, 13 Mar 2017 19:13:24 +0530 Message-ID: <20170313134328.1588-4-kishon@ti.com> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170313134328.1588-1-kishon@ti.com> References: <20170313134328.1588-1-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1853 Lines: 60 Populate cpu_addr_fixup ops to extract the least 28 bits of the corresponding cpu address. Cc: Niklas Cassel Acked-by: Niklas Cassel Acked-by: Joao Pinto Signed-off-by: Kishon Vijay Abraham I --- drivers/pci/dwc/pcie-artpec6.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c index fcd3ef845883..5b3b3afc0edb 100644 --- a/drivers/pci/dwc/pcie-artpec6.c +++ b/drivers/pci/dwc/pcie-artpec6.c @@ -78,6 +78,11 @@ static void artpec6_pcie_writel(struct artpec6_pcie *artpec6_pcie, u32 offset, u regmap_write(artpec6_pcie->regmap, offset, val); } +static u64 artpec6_pcie_cpu_addr_fixup(u64 pci_addr) +{ + return pci_addr & ARTPEC6_CPU_TO_BUS_ADDR; +} + static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie) { struct dw_pcie *pci = artpec6_pcie->pci; @@ -142,11 +147,6 @@ static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie) */ dw_pcie_writel_dbi(pci, MISC_CONTROL_1_OFF, DBI_RO_WR_EN); - pp->io_base &= ARTPEC6_CPU_TO_BUS_ADDR; - pp->mem_base &= ARTPEC6_CPU_TO_BUS_ADDR; - pp->cfg0_base &= ARTPEC6_CPU_TO_BUS_ADDR; - pp->cfg1_base &= ARTPEC6_CPU_TO_BUS_ADDR; - /* setup root complex */ dw_pcie_setup_rc(pp); @@ -234,6 +234,10 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie, return 0; } +static const struct dw_pcie_ops dw_pcie_ops = { + .cpu_addr_fixup = artpec6_pcie_cpu_addr_fixup, +}; + static int artpec6_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -252,6 +256,7 @@ static int artpec6_pcie_probe(struct platform_device *pdev) return -ENOMEM; pci->dev = dev; + pci->ops = &dw_pcie_ops; artpec6_pcie->pci = pci; -- 2.11.0