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staging: mt7621-pci: remove remaining pci_legacy dependant code 

pcibios_* remaining code is not neccessary at all. We can use
map_irq set to of_irq_parse_and_map_pci driver 'probe' function.
Remove this code.

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Tested-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2018-08-03 10:27:07 +02:00 committed by Greg Kroah-Hartman
parent 8594351af0
commit 4cafd03a91
1 changed files with 1 additions and 32 deletions
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33
drivers/staging/mt7621-pci/pci-mt7621.c
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@ -214,32 +214,6 @@ write_config(struct mt7621_pcie *pcie, unsigned int dev, u32 reg, u32 val)
pcie_write(pcie, val, RALINK_PCI_CONFIG_DATA);
}
int
pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
struct mt7621_pcie *pcie = dev->bus->sysdata;
u16 cmd;
u32 val;
int irq;
if (dev->bus->number == 0) {
write_config(pcie, slot, PCI_BASE_ADDRESS_0, MEMORY_BASE);
val = read_config(pcie, slot, PCI_BASE_ADDRESS_0);
printk("BAR0 at slot %d = %x\n", slot, val);
}
pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, 0x14); //configure cache line size 0x14
pci_write_config_byte(dev, PCI_LATENCY_TIMER, 0xFF); //configure latency timer 0x10
pci_read_config_word(dev, PCI_COMMAND, &cmd);
cmd = cmd | PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
pci_write_config_word(dev, PCI_COMMAND, cmd);
irq = of_irq_parse_and_map_pci(dev, slot, pin);
pci_write_config_byte(dev, PCI_INTERRUPT_LINE, irq);
return irq;
}
void
set_pcie_phy(struct mt7621_pcie *pcie, u32 offset,
int start_b, int bits, int val)
@ -461,7 +435,7 @@ static int mt7621_pcie_register_host(struct pci_host_bridge *host,
host->busnr = pcie->busn.start;
host->dev.parent = pcie->dev;
host->ops = &mt7621_pci_ops;
host->map_irq = pcibios_map_irq;
host->map_irq = of_irq_parse_and_map_pci;
host->swizzle_irq = pci_common_swizzle;
host->sysdata = pcie;
@ -726,11 +700,6 @@ pcie(2/1/0) link status pcie2_num pcie1_num pcie0_num
return 0;
}
int pcibios_plat_dev_init(struct pci_dev *dev)
{
return 0;
}
static const struct of_device_id mt7621_pci_ids[] = {
{ .compatible = "mediatek,mt7621-pci" },
{},