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Message-Id: <20220814151956.16950-1-abd.masalkhi@gmail.com>
Date:   Sun, 14 Aug 2022 17:19:56 +0200
From:   Abd-Alrhman Masalkhi <abd.masalkhi@...il.com>
To:     bhelgaas@...gle.com
Cc:     kw@...ux.com, os.vaslot@...il.com, makvihas@...il.com,
        linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        Abd-Alrhman Masalkhi <abd.masalkhi@...il.com>
Subject: [PATCH] PCI: ibmphp: Adjusting the parameter list of a function

ibmphp_init_devno() takes a struct slot **, and it should be changed
to take struct slot * instead.

Signed-off-by: Abd-Alrhman Masalkhi <abd.masalkhi@...il.com>
---
 drivers/pci/hotplug/TODO          |  3 ---
 drivers/pci/hotplug/ibmphp.h      |  3 ++-
 drivers/pci/hotplug/ibmphp_core.c | 30 +++++++++++++++---------------
 drivers/pci/hotplug/ibmphp_ebda.c |  2 +-
 4 files changed, 18 insertions(+), 20 deletions(-)

diff --git a/drivers/pci/hotplug/TODO b/drivers/pci/hotplug/TODO
index 88f217c82b4f..63a9fed407ed 100644
--- a/drivers/pci/hotplug/TODO
+++ b/drivers/pci/hotplug/TODO
@@ -30,9 +30,6 @@ ibmphp:
   or ibmphp should store a pointer to its bus in struct slot.  Probably the
   former.
 
-* ibmphp_init_devno() takes a struct slot **, it could instead take a
-  struct slot *.
-
 * The return value of pci_hp_register() is not checked.
 
 * The various slot data structures are difficult to follow and need to be
diff --git a/drivers/pci/hotplug/ibmphp.h b/drivers/pci/hotplug/ibmphp.h
index 0399c60d2ec1..148a421eb262 100644
--- a/drivers/pci/hotplug/ibmphp.h
+++ b/drivers/pci/hotplug/ibmphp.h
@@ -734,7 +734,8 @@ struct controller {
 
 /* Functions */
 
-int ibmphp_init_devno(struct slot **);	/* This function is called from EBDA, so we need it not be static */
+/* ibmphp_init_devno() is called from EBDA, so we need it not be static */
+int ibmphp_init_devno(struct slot *cur_slot);
 int ibmphp_do_disable_slot(struct slot *slot_cur);
 int ibmphp_update_slot_info(struct slot *);	/* This function is called from HPC, so we need it to not be static */
 int ibmphp_configure_card(struct pci_func *, u8);
diff --git a/drivers/pci/hotplug/ibmphp_core.c b/drivers/pci/hotplug/ibmphp_core.c
index 197997e264a2..107752b11f2c 100644
--- a/drivers/pci/hotplug/ibmphp_core.c
+++ b/drivers/pci/hotplug/ibmphp_core.c
@@ -109,7 +109,7 @@ static int __init get_max_slots(void)
  * Parameters: struct slot
  * Returns 0 or errors
  */
-int ibmphp_init_devno(struct slot **cur_slot)
+int ibmphp_init_devno(struct slot *cur_slot)
 {
 	struct irq_routing_table *rtable;
 	int len;
@@ -130,21 +130,21 @@ int ibmphp_init_devno(struct slot **cur_slot)
 		return -1;
 	}
 	for (loop = 0; loop < len; loop++) {
-		if ((*cur_slot)->number == rtable->slots[loop].slot &&
-		    (*cur_slot)->bus == rtable->slots[loop].bus) {
-			(*cur_slot)->device = PCI_SLOT(rtable->slots[loop].devfn);
+		if (cur_slot->number == rtable->slots[loop].slot &&
+		    cur_slot->bus == rtable->slots[loop].bus) {
+			cur_slot->device = PCI_SLOT(rtable->slots[loop].devfn);
 			for (i = 0; i < 4; i++)
-				(*cur_slot)->irq[i] = IO_APIC_get_PCI_irq_vector((int) (*cur_slot)->bus,
-						(int) (*cur_slot)->device, i);
-
-			debug("(*cur_slot)->irq[0] = %x\n",
-					(*cur_slot)->irq[0]);
-			debug("(*cur_slot)->irq[1] = %x\n",
-					(*cur_slot)->irq[1]);
-			debug("(*cur_slot)->irq[2] = %x\n",
-					(*cur_slot)->irq[2]);
-			debug("(*cur_slot)->irq[3] = %x\n",
-					(*cur_slot)->irq[3]);
+				cur_slot->irq[i] = IO_APIC_get_PCI_irq_vector((int) cur_slot->bus,
+						(int) cur_slot->device, i);
+
+			debug("cur_slot->irq[0] = %x\n",
+					cur_slot->irq[0]);
+			debug("cur_slot->irq[1] = %x\n",
+					cur_slot->irq[1]);
+			debug("cur_slot->irq[2] = %x\n",
+					cur_slot->irq[2]);
+			debug("cur_slot->irq[3] = %x\n",
+					cur_slot->irq[3]);
 
 			debug("rtable->exclusive_irqs = %x\n",
 					rtable->exclusive_irqs);
diff --git a/drivers/pci/hotplug/ibmphp_ebda.c b/drivers/pci/hotplug/ibmphp_ebda.c
index 7fb75401ad8a..5c7821ad9c2c 100644
--- a/drivers/pci/hotplug/ibmphp_ebda.c
+++ b/drivers/pci/hotplug/ibmphp_ebda.c
@@ -880,7 +880,7 @@ static int __init ebda_rsrc_controller(void)
 			if (rc)
 				goto error;
 
-			rc = ibmphp_init_devno(&tmp_slot);
+			rc = ibmphp_init_devno(tmp_slot);
 			if (rc)
 				goto error;
 			tmp_slot->hotplug_slot.ops = &ibmphp_hotplug_slot_ops;
-- 
2.29.0.rc1.dirty

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