On Sat, Jun 3, 2017 at 1:56 AM, Palmer Dabbelt <pal...@dabbelt.com> wrote:
> On Tue, 23 May 2017 06:35:23 PDT (-0700), Arnd Bergmann wrote:
>>> +IRQCHIP_DECLARE(riscv, "riscv,cpu-intc", riscv_intc_init);
>> If you don't care about LPC/ISA devices, then your PCI_MIN_IO
>> should also be zero instead of 0x1000
>
> Sorry, but the only Google results for PCI_MIN_IO is this email. There don't
> appear to be any relevant references to PCI_MIN in the kernel
>
> $ git grep PCI_MIN_
> arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h:
> ((PCI_MAX_LATENCY << 24) | (PCI_MIN_GRANT << 16) | \
> arch/mips/include/asm/mach-loongson64/cs5536/cs5536_pci.h:#define
> PCI_MIN_GRANT 0x00
> drivers/ata/pata_hpt366.c: pci_write_config_byte(dev, PCI_MIN_GNT,
> 0x08);
> drivers/ata/pata_hpt37x.c: pci_write_config_byte(dev, PCI_MIN_GNT,
> 0x08);
> drivers/ata/pata_hpt3x2n.c: pci_write_config_byte(dev, PCI_MIN_GNT,
> 0x08);
> drivers/ide/hpt366.c: pci_write_config_byte(dev, PCI_MIN_GNT, 0x08);
> drivers/net/fddi/skfp/h/skfbi.h:#define PCI_MIN_GNT 0x3e /* 8 bit
> Min_Gnt */
> drivers/net/fddi/skfp/h/skfbi.h:/* PCI_MIN_GNT 8 bit Min_Gnt */
> include/uapi/linux/pci_regs.h:#define PCI_MIN_GNT 0x3e /*
> 8 bits */
>
> I'm afraid that I'm not sure what to do here.
Sorry, I meant PCIBIOS_MIN_IO
Arnd
