Commit 331f6345 authored by Rob Herring's avatar Rob Herring Committed by Lorenzo Pieralisi
Browse files

PCI: of: Add inbound resource parsing to helpers



Extend devm_of_pci_get_host_bridge_resources() and
pci_parse_request_of_pci_ranges() helpers to also parse the inbound
addresses from DT 'dma-ranges' and populate a resource list with the
translated addresses. This will help ensure 'dma-ranges' is always
parsed in a consistent way.

Tested-by: default avatarSrinath Mannam <srinath.mannam@broadcom.com>
Tested-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> # for AArdvark
Signed-off-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: default avatarSrinath Mannam <srinath.mannam@broadcom.com>
Reviewed-by: default avatarAndrew Murray <andrew.murray@arm.com>
Acked-by: default avatarGustavo Pimentel <gustavo.pimentel@synopsys.com>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Will Deacon <will@kernel.org>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Toan Le <toan@os.amperecomputing.com>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Tom Joseph <tjoseph@cadence.com>
Cc: Ray Jui <rjui@broadcom.com>
Cc: Scott Branden <sbranden@broadcom.com>
Cc: bcm-kernel-feedback-list@broadcom.com
Cc: Ryder Lee <ryder.lee@mediatek.com>
Cc: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>
Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Cc: Simon Horman <horms@verge.net.au>
Cc: Shawn Lin <shawn.lin@rock-chips.com>
Cc: Heiko Stuebner <heiko@sntech.de>
Cc: Michal Simek <michal.simek@xilinx.com>
Cc: rfi@lists.rocketboards.org
Cc: linux-mediatek@lists.infradead.org
Cc: linux-renesas-soc@vger.kernel.org
Cc: linux-rockchip@lists.infradead.org
parent ecf8fd6d
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+2 −1
Original line number Diff line number Diff line
@@ -342,7 +342,8 @@ int dw_pcie_host_init(struct pcie_port *pp)
	if (!bridge)
		return -ENOMEM;

	ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows, NULL);
	ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
					      &bridge->dma_ranges, NULL);
	if (ret)
		return ret;

+1 −1
Original line number Diff line number Diff line
@@ -939,7 +939,7 @@ static int advk_pcie_probe(struct platform_device *pdev)
	}

	ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
					      &bus);
					      &bridge->dma_ranges, &bus);
	if (ret) {
		dev_err(dev, "Failed to parse resources\n");
		return ret;
+2 −1
Original line number Diff line number Diff line
@@ -477,7 +477,8 @@ static int faraday_pci_probe(struct platform_device *pdev)
	if (IS_ERR(p->base))
		return PTR_ERR(p->base);

	ret = pci_parse_request_of_pci_ranges(dev, &host->windows, NULL);
	ret = pci_parse_request_of_pci_ranges(dev, &host->windows,
					      &host->dma_ranges, NULL);
	if (ret)
		return ret;

+1 −1
Original line number Diff line number Diff line
@@ -27,7 +27,7 @@ static struct pci_config_window *gen_pci_init(struct device *dev,
	struct pci_config_window *cfg;

	/* Parse our PCI ranges and request their resources */
	err = pci_parse_request_of_pci_ranges(dev, resources, &bus_range);
	err = pci_parse_request_of_pci_ranges(dev, resources, NULL, &bus_range);
	if (err)
		return ERR_PTR(err);

+2 −1
Original line number Diff line number Diff line
@@ -776,7 +776,8 @@ static int v3_pci_probe(struct platform_device *pdev)
	if (IS_ERR(v3->config_base))
		return PTR_ERR(v3->config_base);

	ret = pci_parse_request_of_pci_ranges(dev, &host->windows, NULL);
	ret = pci_parse_request_of_pci_ranges(dev, &host->windows,
					      &host->dma_ranges, NULL);
	if (ret)
		return ret;

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