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bmips: pci-bcm6348: load IO resource from DT ranges

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Correctly load IO resource from DT ranges and remove the specific IO resource.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
2023-04-18 20:11:28 +02:00
parent 16b0cbbde0
commit 5ec781c444
3 changed files with 14 additions and 28 deletions
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26
target/linux/bmips/files/drivers/pci/controller/pci-bcm6348.c
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@@ -335,10 +335,7 @@ static struct pci_ops bcm6348_pci_ops = {
.write = bcm6348_pci_write,
};
static struct resource bcm6348_pci_io_resource = {
.name = "BCM6348 PCI IO space",
.flags = IORESOURCE_IO,
};
static struct resource bcm6348_pci_io_resource;
static struct resource bcm6348_pci_mem_resource;
static struct resource bcm6348_pci_busn_resource;
@@ -732,26 +729,13 @@ static int bcm6348_pci_probe(struct platform_device *pdev)
of_pci_check_probe_only();
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pci");
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
priv->pci = devm_ioremap_resource(dev, res);
if (IS_ERR(priv->pci))
return PTR_ERR(priv->pci);
priv->pcmcia = priv->pci + PCMCIA_OFFSET;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "pci-io");
if (!res)
return -EINVAL;
#ifdef CONFIG_CARDBUS
bcm6348_pci_io_resource.start = res->start;
bcm6348_pci_io_resource.end = res->end - (resource_size(res) >> 1);
bcm6348_cb_io_resource.start = res->start + (resource_size(res) >> 1);
bcm6348_cb_io_resource.end = res->end;
#else
bcm6348_pci_io_resource.start = res->start;
bcm6348_pci_io_resource.end = res->end;
#endif
priv->irq = platform_get_irq(pdev, 0);
if (!priv->irq)
return -ENODEV;
@@ -773,6 +757,12 @@ static int bcm6348_pci_probe(struct platform_device *pdev)
of_pci_parse_bus_range(np, &bcm6348_pci_busn_resource);
pci_add_resource(&resources, &bcm6348_pci_busn_resource);
#ifdef CONFIG_CARDBUS
bcm6348_cb_io_resource.start = bcm6348_pci_io_resource.start + (resource_size(&bcm6348_pci_io_resource) >> 1);
bcm6348_cb_io_resource.end = bcm6348_pci_io_resource.end;
bcm6348_pci_io_resource.end = bcm6348_pci_io_resource.end - (resource_size(&bcm6348_pci_io_resource) >> 1);
#endif
/*
* Configuration accesses are done through IO space, remap 4
* first bytes to access it from CPU.