[PATCH -next] powerpc/powernv/sriov: Remove unused but set variable 'phb'

[Wei Yongjun]

Gcc report warning as follows:

arch/powerpc/platforms/powernv/pci-sriov.c:602:25: warning:
 variable 'phb' set but not used [-Wunused-but-set-variable]
  602 |  struct pnv_phb        *phb;
      |                         ^~~

This variable is not used, so this commit removing it.

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Wei Yongjun <weiyongj...@huawei.com>
---
 arch/powerpc/platforms/powernv/pci-sriov.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/pci-sriov.c 
b/arch/powerpc/platforms/powernv/pci-sriov.c
index 8404d8c3901d..7894745fd4f8 100644
--- a/arch/powerpc/platforms/powernv/pci-sriov.c
+++ b/arch/powerpc/platforms/powernv/pci-sriov.c
@@ -599,10 +599,8 @@ static int pnv_pci_vf_resource_shift(struct pci_dev *dev, 
int offset)
 static void pnv_pci_sriov_disable(struct pci_dev *pdev)
 {
        u16                    num_vfs, base_pe;
-       struct pnv_phb        *phb;
        struct pnv_iov_data   *iov;
 
-       phb = pci_bus_to_pnvhb(pdev->bus);
        iov = pnv_iov_get(pdev);
        num_vfs = iov->num_vfs;
        base_pe = iov->vf_pe_arr[0].pe_number;