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authorMichael Neuling <mikey@neuling.org>2018-02-22 11:26:51 +1100
committerStewart Smith <stewart@linux.vnet.ibm.com>2018-02-28 20:28:28 -0600
commitfa03921a9aa6296b6019c79127db7d009705be2d (patch)
tree738019874f6bebbb2860eb9ee66ba7f5abc0947e /core/pci.c
parent682e196627a062731dc2596276013f2e9fa9f6db (diff)
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pci: Move code around
This just moves some functions around. A future patch will reuse some of these in different locations, so the order needs to change. No code or functional changes Signed-off-by: Michael Neuling <mikey@neuling.org> Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'core/pci.c')
-rw-r--r--core/pci.c126
1 files changed, 63 insertions, 63 deletions
diff --git a/core/pci.c b/core/pci.c
index 494a33a..2ed3e05 100644
--- a/core/pci.c
+++ b/core/pci.c
@@ -1648,69 +1648,6 @@ void pci_add_device_nodes(struct phb *phb,
}
}
-static void __pci_reset(struct list_head *list)
-{
- struct pci_device *pd;
- struct pci_cfg_reg_filter *pcrf;
- int i;
-
- while ((pd = list_pop(list, struct pci_device, link)) != NULL) {
- __pci_reset(&pd->children);
- dt_free(pd->dn);
- free(pd->slot);
- while((pcrf = list_pop(&pd->pcrf, struct pci_cfg_reg_filter, link)) != NULL) {
- free(pcrf);
- }
- for(i=0; i < 64; i++)
- if (pd->cap[i].free_func)
- pd->cap[i].free_func(pd->cap[i].data);
- free(pd);
- }
-}
-
-int64_t pci_reset(void)
-{
- unsigned int i;
- struct pci_slot *slot;
- int64_t rc;
-
- prlog(PR_NOTICE, "PCI: Clearing all devices...\n");
-
- /* XXX Do those in parallel (at least the power up
- * state machine could be done in parallel)
- */
- for (i = 0; i < ARRAY_SIZE(phbs); i++) {
- struct phb *phb = phbs[i];
- if (!phb)
- continue;
- __pci_reset(&phb->devices);
-
- slot = phb->slot;
- if (!slot || !slot->ops.creset) {
- PCINOTICE(phb, 0, "Can't do complete reset\n");
- } else {
- rc = slot->ops.creset(slot);
- while (rc > 0) {
- time_wait(rc);
- rc = slot->ops.run_sm(slot);
- }
- if (rc < 0) {
- PCIERR(phb, 0, "Complete reset failed "
- "(rc=%lld)\n", rc);
- return rc;
- }
- }
-
- if (phb->ops->ioda_reset)
- phb->ops->ioda_reset(phb, true);
- }
-
- /* Re-Initialize all discovered PCI slots */
- pci_init_slots();
-
- return 0;
-}
-
static void pci_do_jobs(void (*fn)(void *))
{
struct cpu_job **jobs;
@@ -1788,6 +1725,69 @@ void pci_init_slots(void)
}
}
+static void __pci_reset(struct list_head *list)
+{
+ struct pci_device *pd;
+ struct pci_cfg_reg_filter *pcrf;
+ int i;
+
+ while ((pd = list_pop(list, struct pci_device, link)) != NULL) {
+ __pci_reset(&pd->children);
+ dt_free(pd->dn);
+ free(pd->slot);
+ while((pcrf = list_pop(&pd->pcrf, struct pci_cfg_reg_filter, link)) != NULL) {
+ free(pcrf);
+ }
+ for(i=0; i < 64; i++)
+ if (pd->cap[i].free_func)
+ pd->cap[i].free_func(pd->cap[i].data);
+ free(pd);
+ }
+}
+
+int64_t pci_reset(void)
+{
+ unsigned int i;
+ struct pci_slot *slot;
+ int64_t rc;
+
+ prlog(PR_NOTICE, "PCI: Clearing all devices...\n");
+
+ /* XXX Do those in parallel (at least the power up
+ * state machine could be done in parallel)
+ */
+ for (i = 0; i < ARRAY_SIZE(phbs); i++) {
+ struct phb *phb = phbs[i];
+ if (!phb)
+ continue;
+ __pci_reset(&phb->devices);
+
+ slot = phb->slot;
+ if (!slot || !slot->ops.creset) {
+ PCINOTICE(phb, 0, "Can't do complete reset\n");
+ } else {
+ rc = slot->ops.creset(slot);
+ while (rc > 0) {
+ time_wait(rc);
+ rc = slot->ops.run_sm(slot);
+ }
+ if (rc < 0) {
+ PCIERR(phb, 0, "Complete reset failed "
+ "(rc=%lld)\n", rc);
+ return rc;
+ }
+ }
+
+ if (phb->ops->ioda_reset)
+ phb->ops->ioda_reset(phb, true);
+ }
+
+ /* Re-Initialize all discovered PCI slots */
+ pci_init_slots();
+
+ return 0;
+}
+
/*
* Complete iteration on current level before switching to
* child level, which is the proper order for restoring