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Date: Mon, 06 Jun 2016 18:07:36 -0500
From: Bjorn Helgaas <bhelgaas@...gle.com>
To: linux-pci@...r.kernel.org
Cc: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
Rob Herring <robh@...nel.org>,
Jason Cooper <jason@...edaemon.net>,
Scott Branden <sbranden@...adcom.com>,
Jon Mason <jonmason@...adcom.com>,
Jingoo Han <jingoohan1@...il.com>,
Pratyush Anand <pratyush.anand@...il.com>,
linux-kernel@...r.kernel.org, rfi@...ts.rocketboards.org,
linux-renesas-soc@...r.kernel.org,
Simon Horman <horms@...ge.net.au>,
Thierry Reding <thierry.reding@...il.com>,
Tanmay Inamdar <tinamdar@....com>, Ray Jui <rjui@...adcom.com>,
linux-tegra@...r.kernel.org, Ley Foon Tan <lftan@...era.com>,
Michal Simek <michal.simek@...inx.com>,
Sören Brinkmann <soren.brinkmann@...inx.com>,
linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v1 23/25] PCI: tegra: Request host bridge window resources
with core function
Use devm_request_pci_bus_resources() to request host bridge window
resources instead of doing it by hand in the driver.
No functional change intended.
Signed-off-by: Bjorn Helgaas <bhelgaas@...gle.com>
---
drivers/pci/host/pci-tegra.c | 16 ++++------------
1 file changed, 4 insertions(+), 12 deletions(-)
diff --git a/drivers/pci/host/pci-tegra.c b/drivers/pci/host/pci-tegra.c
index 920a899..048a35e 100644
--- a/drivers/pci/host/pci-tegra.c
+++ b/drivers/pci/host/pci-tegra.c
@@ -626,17 +626,7 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
if (err < 0)
return err;
- err = devm_request_resource(pcie->dev, &ioport_resource, &pcie->pio);
- if (err < 0)
- return err;
-
- err = devm_request_resource(pcie->dev, &iomem_resource, &pcie->mem);
- if (err < 0)
- return err;
-
- err = devm_request_resource(pcie->dev, &iomem_resource, &pcie->prefetch);
- if (err)
- return err;
+ pci_ioremap_io(pcie->pio.start, pcie->io.start);
pci_add_resource_offset(&sys->resources, &pcie->pio, sys->io_offset);
pci_add_resource_offset(&sys->resources, &pcie->mem, sys->mem_offset);
@@ -644,7 +634,9 @@ static int tegra_pcie_setup(int nr, struct pci_sys_data *sys)
sys->mem_offset);
pci_add_resource(&sys->resources, &pcie->busn);
- pci_ioremap_io(pcie->pio.start, pcie->io.start);
+ err = devm_request_pci_bus_resources(&pcie->dev, &sys->resources);
+ if (err < 0)
+ return err;
return 1;
}
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