Re: [PATCH -next] PCI: hv: Remove unused function hv_set_msi_entry_from_desc()

From: Boqun Feng
Date: Thu Mar 17 2022 - 10:04:37 EST


On Thu, Mar 17, 2022 at 04:51:30PM +0800, YueHaibing wrote:
> This patch fix the following build error:
>
> drivers/pci/controller/pci-hyperv.c:769:13: error: ‘hv_set_msi_entry_from_desc’ defined but not used [-Werror=unused-function]
> 769 | static void hv_set_msi_entry_from_desc(union hv_msi_entry *msi_entry,
>
> On arm64 hv_set_msi_entry_from_desc() is not used anymore since
> commit d06957d7a692 ("PCI: hv: Avoid the retarget interrupt hypercall in irq_unmask() on ARM64").
>
> Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>

Good catch!

Acked-by: Boqun Feng <boqun.feng@xxxxxxxxx>

Regards,
Boqun

> ---
> drivers/pci/controller/pci-hyperv.c | 8 --------
> 1 file changed, 8 deletions(-)
>
> diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
> index df84d221e3de..558b35aba610 100644
> --- a/drivers/pci/controller/pci-hyperv.c
> +++ b/drivers/pci/controller/pci-hyperv.c
> @@ -766,14 +766,6 @@ static unsigned int hv_msi_get_int_vector(struct irq_data *irqd)
> return irqd->parent_data->hwirq;
> }
>
> -static void hv_set_msi_entry_from_desc(union hv_msi_entry *msi_entry,
> - struct msi_desc *msi_desc)
> -{
> - msi_entry->address = ((u64)msi_desc->msg.address_hi << 32) |
> - msi_desc->msg.address_lo;
> - msi_entry->data = msi_desc->msg.data;
> -}
> -
> /*
> * @nr_bm_irqs: Indicates the number of IRQs that were allocated from
> * the bitmap.
> --
> 2.17.1
>