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[PATCH 2/4] PCI: dwc: dra7xx: Populate cpu_addr_fixup ops

From Kishon Vijay Abraham I <kishon@ti.com>
Newsgroups linux.kernel
Subject [PATCH 2/4] PCI: dwc: dra7xx: Populate cpu_addr_fixup ops
Date 2017-02-16 14:40 +0100
Message-ID <tburT-6K3-5@gated-at.bofh.it> (permalink)
References <tburT-6K3-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Populate cpu_addr_fixup ops to extract the least 28 bits of the
corresponding cpu address.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 drivers/pci/dwc/pci-dra7xx.c |   11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 0984baf..07c45ec 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -88,6 +88,11 @@ static inline void dra7xx_pcie_writel(struct dra7xx_pcie *pcie, u32 offset,
 	writel(value, pcie->base + offset);
 }
 
+static u64 dra7xx_pcie_cpu_addr_fixup(u64 pci_addr)
+{
+	return pci_addr & DRA7XX_CPU_TO_BUS_ADDR;
+}
+
 static int dra7xx_pcie_link_up(struct dw_pcie *pci)
 {
 	struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci);
@@ -152,11 +157,6 @@ static void dra7xx_pcie_host_init(struct pcie_port *pp)
 	struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
 	struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pci);
 
-	pp->io_base &= DRA7XX_CPU_TO_BUS_ADDR;
-	pp->mem_base &= DRA7XX_CPU_TO_BUS_ADDR;
-	pp->cfg0_base &= DRA7XX_CPU_TO_BUS_ADDR;
-	pp->cfg1_base &= DRA7XX_CPU_TO_BUS_ADDR;
-
 	dw_pcie_setup_rc(pp);
 
 	dra7xx_pcie_establish_link(dra7xx);
@@ -329,6 +329,7 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx,
 }
 
 static const struct dw_pcie_ops dw_pcie_ops = {
+	.cpu_addr_fixup = dra7xx_pcie_cpu_addr_fixup,
 	.link_up = dra7xx_pcie_link_up,
 };
 
-- 
1.7.9.5

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Thread

[PATCH 2/4] PCI: dwc: dra7xx: Populate cpu_addr_fixup ops Kishon Vijay Abraham I <kishon@ti.com> - 2017-02-16 14:40 +0100
  Re: [PATCH 2/4] PCI: dwc: dra7xx: Populate cpu_addr_fixup ops Niklas Cassel <niklas.cassel@axis.com> - 2017-02-20 09:40 +0100

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