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From: Kishon Vijay Abraham I <kishon@ti.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
	Jingoo Han <jingoohan1@gmail.com>, <linux-kernel@vger.kernel.org>,
	<linux-pci@vger.kernel.org>, <linux-omap@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-samsung-soc@vger.kernel.org>,
	<linuxppc-dev@lists.ozlabs.org>, <linux-arm-kernel@axis.com>
Cc: Joao Pinto <Joao.Pinto@synopsys.com>, <nsekhar@ti.com>,
	Kishon Vijay Abraham I <kishon@ti.com>
Subject: [PATCH 2/4] PCI: dwc: dra7xx: Populate cpu_addr_fixup ops
Date: Thu, 16 Feb 2017 18:59:10 +0530	[thread overview]
Message-ID: <1487251752-12478-3-git-send-email-kishon@ti.com> (raw)
In-Reply-To: <1487251752-12478-1-git-send-email-kishon@ti.com>

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

  parent reply	other threads:[~2017-02-16 13:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-16 13:29 [PATCH 0/4] PCI: dwc: cleanup designware driver Kishon Vijay Abraham I
2017-02-16 13:29 ` [PATCH 1/4] PCI: dwc: designware: Add new *ops* for cpu addr fixup Kishon Vijay Abraham I
2017-02-16 13:29 ` Kishon Vijay Abraham I [this message]
2017-02-20  8:32   ` [PATCH 2/4] PCI: dwc: dra7xx: Populate cpu_addr_fixup ops Niklas Cassel
2017-02-16 13:29 ` [PATCH 3/4] PCI: dwc: all: Modify dbi accessors to take dbi_base as argument Kishon Vijay Abraham I
2017-02-16 13:29 ` [PATCH 4/4] PCI: dwc: all: Modify dbi accessors to access data of 4/2/1 bytes Kishon Vijay Abraham I

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