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Re: [PATCH v2] hw/riscv: virt: Remove the redundant ipi-id property
From: |
Atish Kumar Patra |
Subject: |
Re: [PATCH v2] hw/riscv: virt: Remove the redundant ipi-id property |
Date: |
Tue, 22 Nov 2022 00:09:17 -0800 |
On Mon, Nov 21, 2022 at 10:11 PM Alistair Francis <alistair23@gmail.com> wrote:
>
> On Sun, Nov 13, 2022 at 7:52 PM Atish Patra <atishp@rivosinc.com> wrote:
> >
> > The imsic DT binding[1] has changed and no longer require an ipi-id.
> > 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.
> >
> > [1]
> > https://lore.kernel.org/lkml/20221111044207.1478350-5-apatel@ventanamicro.com/
> >
> > Signed-off-by: Atish Patra <atishp@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
>
> This is used elsewhere with a different "riscv,ipi-id" and this fails to
> compile
>
I am not sure what I was thinking when I sent the patch. It is such a
silly patch.
Anyways, I am really sorry for the breakage. I have sent the v3.
> I have dropped this patch
>
> Alistair
>
> > #define VIRT_IRQCHIP_NUM_MSIS 255
> > #define VIRT_IRQCHIP_NUM_SOURCES VIRTIO_NDEV
> > #define VIRT_IRQCHIP_NUM_PRIO_BITS 3
> > --
> > 2.25.1
> >
> >