powerpc/powernv: remove the unused tunneling exports
authorChristoph Hellwig <hch@lst.de>
Tue, 25 Jun 2019 14:52:37 +0000 (16:52 +0200)
committerMichael Ellerman <mpe@ellerman.id.au>
Mon, 1 Jul 2019 06:26:55 +0000 (16:26 +1000)
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>
arch/powerpc/include/asm/pnv-pci.h
arch/powerpc/platforms/powernv/pci-ioda.c
arch/powerpc/platforms/powernv/pci.c
arch/powerpc/platforms/powernv/pci.h

index 9fcb0bc462c6f6c98748f20b93b46c25812f4f19..1ab4b0111abc1b3f0f4f3be4efb175532c74e565 100644 (file)
@@ -27,12 +27,8 @@ extern int pnv_pci_get_power_state(uint64_t id, uint8_t *state);
 extern int pnv_pci_set_power_state(uint64_t id, uint8_t state,
                                   struct opal_msg *msg);
 
-extern int pnv_pci_enable_tunnel(struct pci_dev *dev, uint64_t *asnind);
-extern int pnv_pci_disable_tunnel(struct pci_dev *dev);
 extern int pnv_pci_set_tunnel_bar(struct pci_dev *dev, uint64_t addr,
                                  int enable);
-extern int pnv_pci_get_as_notify_info(struct task_struct *task, u32 *lpid,
-                                     u32 *pid, u32 *tid);
 int pnv_phb_to_cxl_mode(struct pci_dev *dev, uint64_t mode);
 int pnv_cxl_ioda_msi_setup(struct pci_dev *dev, unsigned int hwirq,
                           unsigned int virq);
index 126602b4e39972d4545925bbac70132c4de5a865..6b0caa2d0425a154acc98eb8eac06024fdec27c6 100644 (file)
@@ -54,6 +54,8 @@
 static const char * const pnv_phb_names[] = { "IODA1", "IODA2", "NPU_NVLINK",
                                              "NPU_OCAPI" };
 
+static void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable);
+
 void pe_level_printk(const struct pnv_ioda_pe *pe, const char *level,
                            const char *fmt, ...)
 {
@@ -2360,7 +2362,7 @@ static long pnv_pci_ioda2_set_window(struct iommu_table_group *table_group,
        return 0;
 }
 
-void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable)
+static void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable)
 {
        uint16_t window_id = (pe->pe_number << 1 ) + 1;
        int64_t rc;
index 8d28f2932c3b04bc5310ad6d950155b385248f5b..fc69f561102055807494484541d0bafade1e9b9b 100644 (file)
@@ -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;
index 4f11c077af6230f3376a49cfc9ffa35e28da989f..469c2446324775736b447e2d0dec60e38c2a1bd2 100644 (file)
@@ -195,7 +195,6 @@ extern int pnv_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type);
 extern void pnv_teardown_msi_irqs(struct pci_dev *pdev);
 extern struct pnv_ioda_pe *pnv_ioda_get_pe(struct pci_dev *dev);
 extern void pnv_set_msi_irq_chip(struct pnv_phb *phb, unsigned int virq);
-extern void pnv_pci_ioda2_set_bypass(struct pnv_ioda_pe *pe, bool enable);
 extern unsigned long pnv_pci_ioda2_get_table_size(__u32 page_shift,
                __u64 window_size, __u32 levels);
 extern int pnv_eeh_post_init(void);