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| author | David Daney <david.daney@cavium.com> | 2016-03-11 22:25:13 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2016-03-11 22:48:16 +0100 |
| commit | d51b371087d7198c733d2ef3c4db8165aee4de4e (patch) | |
| tree | e2373aa3244e803008d92705f287ca90bbc78953 | |
| parent | PCI: generic: Move structure definitions to separate header file (diff) | |
| download | linux-d51b371087d7198c733d2ef3c4db8165aee4de4e.tar.xz linux-d51b371087d7198c733d2ef3c4db8165aee4de4e.zip | |
PCI: generic: Add pci_host_common_probe(), based on gen_pci_probe()
Factor gen_pci_probe(), moving most of it into pci_host_common_probe()
where it can be shared with other drivers that have slightly different
config accessors. No functional change intended.
[bhelgaas: split into separate patch, changelog]
Signed-off-by: David Daney <david.daney@cavium.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Will Deacon <will.deacon@arm.com>
| -rw-r--r-- | drivers/pci/host/pci-host-generic.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/pci/host/pci-host-generic.c b/drivers/pci/host/pci-host-generic.c index 89e25b2a0bf9..d392b1e42912 100644 --- a/drivers/pci/host/pci-host-generic.c +++ b/drivers/pci/host/pci-host-generic.c @@ -182,19 +182,15 @@ static int gen_pci_parse_map_cfg_windows(struct gen_pci *pci) return 0; } -static int gen_pci_probe(struct platform_device *pdev) +static int pci_host_common_probe(struct platform_device *pdev, + struct gen_pci *pci) { int err; const char *type; - const struct of_device_id *of_id; struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; - struct gen_pci *pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL); struct pci_bus *bus, *child; - if (!pci) - return -ENOMEM; - type = of_get_property(np, "device_type", NULL); if (!type || strcmp(type, "pci")) { dev_err(dev, "invalid \"device_type\" %s\n", type); @@ -203,8 +199,6 @@ static int gen_pci_probe(struct platform_device *pdev) of_pci_check_probe_only(); - of_id = of_match_node(gen_pci_of_match, np); - pci->cfg.ops = (struct gen_pci_cfg_bus_ops *)of_id->data; pci->host.dev.parent = dev; INIT_LIST_HEAD(&pci->host.windows); INIT_LIST_HEAD(&pci->resources); @@ -247,6 +241,21 @@ static int gen_pci_probe(struct platform_device *pdev) return 0; } +static int gen_pci_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + const struct of_device_id *of_id; + struct gen_pci *pci = devm_kzalloc(dev, sizeof(*pci), GFP_KERNEL); + + if (!pci) + return -ENOMEM; + + of_id = of_match_node(gen_pci_of_match, dev->of_node); + pci->cfg.ops = (struct gen_pci_cfg_bus_ops *)of_id->data; + + return pci_host_common_probe(pdev, pci); +} + static struct platform_driver gen_pci_driver = { .driver = { .name = "pci-host-generic", |