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powerpc/pseries: Stop using pdn->pe_number

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The pci_dn->pe_number field is mainly used to track the IODA PE number of a
device on PowerNV. At some point it grew a user in the pseries SR-IOV
support which muddies the waters a bit, so remove it.

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Reviewed-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200725081231.39076-4-oohall@gmail.com
This commit is contained in:
Oliver O'Halloran 2020-07-25 18:12:21 +10:00 committed by Michael Ellerman
parent dffa91539e
commit c408ce9075
1 changed files with 4 additions and 6 deletions
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10
arch/powerpc/platforms/pseries/eeh_pseries.c
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@ -53,8 +53,6 @@ void pseries_pcibios_bus_add_device(struct pci_dev *pdev)
dev_dbg(&pdev->dev, "EEH: Setting up device\n");
#ifdef CONFIG_PCI_IOV
if (pdev->is_virtfn) {
struct pci_dn *physfn_pdn;
pdn->device_id = pdev->device;
pdn->vendor_id = pdev->vendor;
pdn->class_code = pdev->class;
@ -64,8 +62,6 @@ void pseries_pcibios_bus_add_device(struct pci_dev *pdev)
* completion from platform.
*/
pdn->last_allow_rc = 0;
physfn_pdn = pci_get_pdn(pdev->physfn);
pdn->pe_number = physfn_pdn->pe_num_map[pdn->vf_index];
}
#endif
pseries_eeh_init_edev(pdn);
@ -878,8 +874,8 @@ int pseries_send_allow_unfreeze(struct pci_dn *pdn,
static int pseries_call_allow_unfreeze(struct eeh_dev *edev)
{
int cur_vfs = 0, rc = 0, vf_index, bus, devfn, vf_pe_num;
struct pci_dn *pdn, *tmp, *parent, *physfn_pdn;
int cur_vfs = 0, rc = 0, vf_index, bus, devfn;
u16 *vf_pe_array;
vf_pe_array = kzalloc(RTAS_DATA_BUF_SIZE, GFP_KERNEL);
@ -912,8 +908,10 @@ static int pseries_call_allow_unfreeze(struct eeh_dev *edev)
}
} else {
pdn = pci_get_pdn(edev->pdev);
vf_pe_array[0] = cpu_to_be16(pdn->pe_number);
physfn_pdn = pci_get_pdn(edev->physfn);
vf_pe_num = physfn_pdn->pe_num_map[edev->vf_index];
vf_pe_array[0] = cpu_to_be16(vf_pe_num);
rc = pseries_send_allow_unfreeze(physfn_pdn,
vf_pe_array, 1);
pdn->last_allow_rc = rc;