On Fri, Nov 11, 2022 at 4:39 PM Bin Meng <bmeng...@gmail.com> wrote:

> On Sat, Nov 12, 2022 at 4:14 AM Atish Patra <ati...@rivosinc.com> wrote:
> >
> > The imsic DT binding has changed and no longer require an ipi-id.
>
> requires
>
>
Sure. Will fix it.


> Could you please put a link here to the upstream imsic DT binding for
> reference?
>
>
It's not merged yet. Here is the latest version:

https://lore.kernel.org/lkml/20221111044207.1478350-5-apa...@ventanamicro.com/


> > The latest IMSIC driver dynamically allocates ipi id if slow-ipi
> > is not defined.
> >
> > Get rid of the unused dt property which may lead to confusion.
> >
> > Signed-off-by: Atish Patra <ati...@rivosinc.com>
> > ---
> >  hw/riscv/virt.c         | 2 --
> >  include/hw/riscv/virt.h | 1 -
> >  2 files changed, 3 deletions(-)
> >
> > diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c
> > index a5bc7353b412..0bc0964e42a8 100644
> > --- a/hw/riscv/virt.c
> > +++ b/hw/riscv/virt.c
> > @@ -546,8 +546,6 @@ static void create_fdt_imsic(RISCVVirtState *s,
> const MemMapEntry *memmap,
> >          riscv_socket_count(mc) * sizeof(uint32_t) * 4);
> >      qemu_fdt_setprop_cell(mc->fdt, imsic_name, "riscv,num-ids",
> >          VIRT_IRQCHIP_NUM_MSIS);
> > -    qemu_fdt_setprop_cells(mc->fdt, imsic_name, "riscv,ipi-id",
> > -        VIRT_IRQCHIP_IPI_MSI);
> >      if (riscv_socket_count(mc) > 1) {
> >          qemu_fdt_setprop_cell(mc->fdt, imsic_name,
> "riscv,hart-index-bits",
> >              imsic_num_bits(imsic_max_hart_per_socket));
> > diff --git a/include/hw/riscv/virt.h b/include/hw/riscv/virt.h
> > index be4ab8fe7f71..62513e075c47 100644
> > --- a/include/hw/riscv/virt.h
> > +++ b/include/hw/riscv/virt.h
> > @@ -93,7 +93,6 @@ enum {
> >
> >  #define VIRT_PLATFORM_BUS_NUM_IRQS 32
> >
> > -#define VIRT_IRQCHIP_IPI_MSI 1
> >  #define VIRT_IRQCHIP_NUM_MSIS 255
> >  #define VIRT_IRQCHIP_NUM_SOURCES VIRTIO_NDEV
> >  #define VIRT_IRQCHIP_NUM_PRIO_BITS 3
> > --
>
> Regards,
> Bin
>

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