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powerpc/powernv: remove the unused tunneling exports

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These have been unused anywhere in the kernel tree ever since they've
been added to the kernel.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christoph Hellwig
2019-06-25 16:52:37 +02:00
committed by Michael Ellerman
parent 6398261866
commit c498a4f9a7
4 changed files with 3 additions and 77 deletions
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71
arch/powerpc/platforms/powernv/pci.c
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@@ -868,54 +868,6 @@ struct device_node *pnv_pci_get_phb_node(struct pci_dev *dev)
}
EXPORT_SYMBOL(pnv_pci_get_phb_node);
int pnv_pci_enable_tunnel(struct pci_dev *dev, u64 *asnind)
{
struct device_node *np;
const __be32 *prop;
struct pnv_ioda_pe *pe;
uint16_t window_id;
int rc;
if (!radix_enabled())
return -ENXIO;
if (!(np = pnv_pci_get_phb_node(dev)))
return -ENXIO;
prop = of_get_property(np, "ibm,phb-indications", NULL);
of_node_put(np);
if (!prop || !prop[1])
return -ENXIO;
*asnind = (u64)be32_to_cpu(prop[1]);
pe = pnv_ioda_get_pe(dev);
if (!pe)
return -ENODEV;
/* Increase real window size to accept as_notify messages. */
window_id = (pe->pe_number << 1 ) + 1;
rc = opal_pci_map_pe_dma_window_real(pe->phb->opal_id, pe->pe_number,
window_id, pe->tce_bypass_base,
(uint64_t)1 << 48);
return opal_error_code(rc);
}
EXPORT_SYMBOL_GPL(pnv_pci_enable_tunnel);
int pnv_pci_disable_tunnel(struct pci_dev *dev)
{
struct pnv_ioda_pe *pe;
pe = pnv_ioda_get_pe(dev);
if (!pe)
return -ENODEV;
/* Restore default real window size. */
pnv_pci_ioda2_set_bypass(pe, true);
return 0;
}
EXPORT_SYMBOL_GPL(pnv_pci_disable_tunnel);
int pnv_pci_set_tunnel_bar(struct pci_dev *dev, u64 addr, int enable)
{
__be64 val;
@@ -970,29 +922,6 @@ out:
}
EXPORT_SYMBOL_GPL(pnv_pci_set_tunnel_bar);
#ifdef CONFIG_PPC64 /* for thread.tidr */
int pnv_pci_get_as_notify_info(struct task_struct *task, u32 *lpid, u32 *pid,
u32 *tid)
{
struct mm_struct *mm = NULL;
if (task == NULL)
return -EINVAL;
mm = get_task_mm(task);
if (mm == NULL)
return -EINVAL;
*pid = mm->context.id;
mmput(mm);
*tid = task->thread.tidr;
*lpid = mfspr(SPRN_LPID);
return 0;
}
EXPORT_SYMBOL_GPL(pnv_pci_get_as_notify_info);
#endif
void pnv_pci_shutdown(void)
{
struct pci_controller *hose;