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PCI: Pass struct device to of_pci_get_host_bridge_resources() 

Another step towards a managed version of
of_pci_get_host_bridge_resources(): Feed in the underlying device, rather
than just the OF node.  This will allow us to use managed resource
allocation internally later on.

Tested-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Vladimir Zapolskiy <vladimir_zapolskiy@mentor.com>
Acked-by: Jingoo Han <jingoohan1@gmail.com>
CC: Joao Pinto <Joao.Pinto@synopsys.com>
CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
This commit is contained in:
Jan Kiszka 2018-05-15 11:07:03 +02:00 committed by Bjorn Helgaas
parent 126b7de6bf
commit 055f87a2a3
14 changed files with 29 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/pci/dwc/pcie-designware-host.c
View File

@ -342,7 +342,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
if (!bridge)
return -ENOMEM;
ret = of_pci_get_host_bridge_resources(np, 0, 0xff,
ret = of_pci_get_host_bridge_resources(dev, 0, 0xff,
&bridge->windows, &pp->io_base);
if (ret)
return ret;

5
drivers/pci/host/pci-aardvark.c
View File

@ -815,14 +815,13 @@ static int advk_pcie_parse_request_of_pci_ranges(struct advk_pcie *pcie)
{
int err, res_valid = 0;
struct device *dev = &pcie->pdev->dev;
struct device_node *np = dev->of_node;
struct resource_entry *win, *tmp;
resource_size_t iobase;
INIT_LIST_HEAD(&pcie->resources);
err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pcie->resources,
&iobase);
err = of_pci_get_host_bridge_resources(dev, 0, 0xff,
&pcie->resources, &iobase);
if (err)
return err;

4
drivers/pci/host/pci-ftpci100.c
View File

@ -476,8 +476,8 @@ static int faraday_pci_probe(struct platform_device *pdev)
if (IS_ERR(p->base))
return PTR_ERR(p->base);
ret = of_pci_get_host_bridge_resources(dev->of_node, 0, 0xff,
&res, &io_base);
ret = of_pci_get_host_bridge_resources(dev, 0, 0xff,
&res, &io_base);
if (ret)
return ret;

3
drivers/pci/host/pci-v3-semi.c
View File

@ -791,7 +791,8 @@ static int v3_pci_probe(struct platform_device *pdev)
if (IS_ERR(v3->config_base))
return PTR_ERR(v3->config_base);
ret = of_pci_get_host_bridge_resources(np, 0, 0xff, &res, &io_base);
ret = of_pci_get_host_bridge_resources(dev, 0, 0xff, &res,
&io_base);
if (ret)
return ret;

3
drivers/pci/host/pci-versatile.c
View File

@ -64,11 +64,10 @@ static int versatile_pci_parse_request_of_pci_ranges(struct device *dev,
struct list_head *res)
{
int err, mem = 1, res_valid = 0;
struct device_node *np = dev->of_node;
resource_size_t iobase;
struct resource_entry *win, *tmp;
err = of_pci_get_host_bridge_resources(np, 0, 0xff, res, &iobase);
err = of_pci_get_host_bridge_resources(dev, 0, 0xff, res, &iobase);
if (err)
return err;

3
drivers/pci/host/pci-xgene.c
View File

@ -632,7 +632,8 @@ static int xgene_pcie_probe(struct platform_device *pdev)
if (ret)
return ret;
ret = of_pci_get_host_bridge_resources(dn, 0, 0xff, &res, &iobase);
ret = of_pci_get_host_bridge_resources(dev, 0, 0xff, &res,
&iobase);
if (ret)
return ret;

5
drivers/pci/host/pcie-altera.c
View File

@ -488,11 +488,10 @@ static int altera_pcie_parse_request_of_pci_ranges(struct altera_pcie *pcie)
{
int err, res_valid = 0;
struct device *dev = &pcie->pdev->dev;
struct device_node *np = dev->of_node;
struct resource_entry *win;
err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pcie->resources,
NULL);
err = of_pci_get_host_bridge_resources(dev, 0, 0xff,
&pcie->resources, NULL);
if (err)
return err;

4
drivers/pci/host/pcie-iproc-platform.c
View File

@ -99,8 +99,8 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev)
pcie->phy = NULL;
}
ret = of_pci_get_host_bridge_resources(np, 0, 0xff, &resources,
&iobase);
ret = of_pci_get_host_bridge_resources(dev, 0, 0xff, &resources,
&iobase);
if (ret) {
dev_err(dev, "unable to get PCI host bridge resources\n");
return ret;

5
drivers/pci/host/pcie-rcar.c
View File

@ -1067,12 +1067,11 @@ static int rcar_pcie_parse_request_of_pci_ranges(struct rcar_pcie *pci)
{
int err;
struct device *dev = pci->dev;
struct device_node *np = dev->of_node;
resource_size_t iobase;
struct resource_entry *win, *tmp;
err = of_pci_get_host_bridge_resources(np, 0, 0xff, &pci->resources,
&iobase);
err = of_pci_get_host_bridge_resources(dev, 0, 0xff,
&pci->resources, &iobase);
if (err)
return err;

4
drivers/pci/host/pcie-rockchip.c
View File

@ -1560,8 +1560,8 @@ static int rockchip_pcie_probe(struct platform_device *pdev)
if (err < 0)
goto err_deinit_port;
err = of_pci_get_host_bridge_resources(dev->of_node, 0, 0xff,
&res, &io_base);
err = of_pci_get_host_bridge_resources(dev, 0, 0xff,
&res, &io_base);
if (err)
goto err_remove_irq_domain;

4
drivers/pci/host/pcie-xilinx-nwl.c
View File

@ -825,7 +825,6 @@ static const struct of_device_id nwl_pcie_of_match[] = {
static int nwl_pcie_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct device_node *node = dev->of_node;
struct nwl_pcie *pcie;
struct pci_bus *bus;
struct pci_bus *child;
@ -855,7 +854,8 @@ static int nwl_pcie_probe(struct platform_device *pdev)
return err;
}
err = of_pci_get_host_bridge_resources(node, 0, 0xff, &res, &iobase);
err = of_pci_get_host_bridge_resources(dev, 0, 0xff, &res,
&iobase);
if (err) {
dev_err(dev, "Getting bridge resources failed\n");
return err;

4
drivers/pci/host/pcie-xilinx.c
View File

@ -643,8 +643,8 @@ static int xilinx_pcie_probe(struct platform_device *pdev)
return err;
}
err = of_pci_get_host_bridge_resources(dev->of_node, 0, 0xff, &res,
&iobase);
err = of_pci_get_host_bridge_resources(dev, 0, 0xff, &res,
&iobase);
if (err) {
dev_err(dev, "Getting bridge resources failed\n");
return err;

9
drivers/pci/of.c
View File

@ -245,7 +245,7 @@ EXPORT_SYMBOL_GPL(of_pci_check_probe_only);
#if defined(CONFIG_OF_ADDRESS)
/**
* of_pci_get_host_bridge_resources - Parse PCI host bridge resources from DT
* @dev_node: device node of the host bridge having the range property
* @dev: host bridge device
* @busno: bus number associated with the bridge root bus
* @bus_max: maximum number of buses for this bridge
* @resources: list where the range of resources will be added after DT parsing
@ -262,10 +262,11 @@ EXPORT_SYMBOL_GPL(of_pci_check_probe_only);
* It returns zero if the range parsing has been successful or a standard error
* value if it failed.
*/
int of_pci_get_host_bridge_resources(struct device_node *dev_node,
int of_pci_get_host_bridge_resources(struct device *dev,
unsigned char busno, unsigned char bus_max,
struct list_head *resources, resource_size_t *io_base)
{
struct device_node *dev_node = dev->of_node;
struct resource_entry *window;
struct resource *res;
struct resource *bus_range;
@ -599,12 +600,12 @@ int pci_parse_request_of_pci_ranges(struct device *dev,
struct resource **bus_range)
{
int err, res_valid = 0;
struct device_node *np = dev->of_node;
resource_size_t iobase;
struct resource_entry *win, *tmp;
INIT_LIST_HEAD(resources);
err = of_pci_get_host_bridge_resources(np, 0, 0xff, resources, &iobase);
err = of_pci_get_host_bridge_resources(dev, 0, 0xff, resources,
&iobase);
if (err)
return err;

4
include/linux/of_pci.h
View File

@ -71,11 +71,11 @@ of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
#endif
#if defined(CONFIG_OF_ADDRESS)
int of_pci_get_host_bridge_resources(struct device_node *dev_node,
int of_pci_get_host_bridge_resources(struct device *dev,
unsigned char busno, unsigned char bus_max,
struct list_head *resources, resource_size_t *io_base);
#else
static inline int of_pci_get_host_bridge_resources(struct device_node *dev_node,
static inline int of_pci_get_host_bridge_resources(struct device *dev,
unsigned char busno, unsigned char bus_max,
struct list_head *resources, resource_size_t *io_base)
{