From: Kishon Vijay Abraham I <kishon@ti.com>
To: Bjorn Helgaas <bhelgaas@google.com>,
Joao Pinto <Joao.Pinto@synopsys.com>,
linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-samsung-soc@vger.kernel.org, linux-arm-kernel@axis.com
Cc: nsekhar@ti.com, Kishon Vijay Abraham I <kishon@ti.com>
Subject: [PATCH v3 2/7] PCI: dwc: dra7xx: Populate cpu_addr_fixup ops
Date: Wed, 8 Mar 2017 16:17:12 +0530 [thread overview]
Message-ID: <1488970037-17740-3-git-send-email-kishon@ti.com> (raw)
In-Reply-To: <1488970037-17740-1-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
next prev parent reply other threads:[~2017-03-08 10:47 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-08 10:47 [PATCH v3 0/7] PCI: dwc: miscellaneous fixes and cleanups Kishon Vijay Abraham I
2017-03-08 10:47 ` [PATCH v3 1/7] PCI: dwc: designware: Add new *ops* for cpu addr fixup Kishon Vijay Abraham I
2017-03-08 10:47 ` Kishon Vijay Abraham I [this message]
2017-03-08 10:47 ` [PATCH v3 3/7] PCI: dwc: artpec6: Populate cpu_addr_fixup ops Kishon Vijay Abraham I
2017-03-08 10:47 ` [PATCH v3 4/7] PCI: dwc: all: Modify dbi accessors to take dbi_base as argument Kishon Vijay Abraham I
2017-03-08 10:47 ` [PATCH v3 5/7] PCI: dwc: all: Modify dbi accessors to access data of 4/2/1 bytes Kishon Vijay Abraham I
2017-03-08 10:47 ` [PATCH v3 6/7] PCI: dwc: designware: Move _unroll configurations to a separate function Kishon Vijay Abraham I
2017-03-08 10:47 ` [PATCH v3 7/7] PCI: dwc: dra7xx: Push request_irq call to the bottom of probe Kishon Vijay Abraham I
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