[10/15] PCI/acpiphp: Change acpiphp_add_bridge() to return void instead of 0

Commit Message

Myron Stowe Dec. 7, 2012, 6:25 a.m. UTC

acpiphp_add_bridge() always returns 0.  This patch changes the return
type from an 'int' to 'void'.

No functional change.

Signed-off-by: Myron Stowe <[e-mail]>
---

 drivers/pci/hotplug/acpiphp_glue.c |    8 +++-----
 include/linux/pci-acpi.h           |    4 ++--
 2 files changed, 5 insertions(+), 7 deletions(-)


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Patch

diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index a4218cb..fe2aac6 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -489,7 +489,7 @@  find_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv)
 
 
 /* find hot-pluggable slots, and then find P2P bridge */
-int acpiphp_add_bridge(struct acpi_pci_root *root)
+void acpiphp_add_bridge(struct acpi_pci_root *root)
 {
 	acpi_status status;
 	unsigned long long tmp;
@@ -502,11 +502,11 @@  int acpiphp_add_bridge(struct acpi_pci_root *root)
 		status = acpi_evaluate_integer(handle, "_STA", NULL, &tmp);
 		if (ACPI_FAILURE(status)) {
 			dbg("%s: _STA evaluation failure\n", __func__);
-			return 0;
+			return;
 		}
 		if ((tmp & ACPI_STA_FUNCTIONING) == 0)
 			/* don't register this object */
-			return 0;
+			return;
 	}
 
 	/* check if this bridge has ejectable slots */
@@ -521,8 +521,6 @@  int acpiphp_add_bridge(struct acpi_pci_root *root)
 
 	if (ACPI_FAILURE(status))
 		warn("find_p2p_bridge failed (error code = 0x%x)\n", status);
-
-	return 0;
 }
 
 static struct acpiphp_bridge *acpiphp_handle_to_bridge(acpi_handle handle)
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 3197070..bc5b763 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -50,10 +50,10 @@  static inline bool aer_acpi_firmware_first(void) { return false; }
 #endif
 
 #ifdef CONFIG_HOTPLUG_PCI_ACPI
-extern int acpiphp_add_bridge(struct acpi_pci_root *root);
+extern void acpiphp_add_bridge(struct acpi_pci_root *root);
 extern void acpiphp_remove_bridge(struct acpi_pci_root *root);
 #else /* !CONFIG_HOTPLUG_PCI_ACPI */
-static inline int acpiphp_add_bridge(struct acpi_pci_root *) { return 0; }
+static inline void acpiphp_add_bridge(struct acpi_pci_root *) { }
 static inline void acpiphp_remove_bridge(struct acpi_pci_root *) { }
 #endif /* !CONFIG_HOTPLUG_PCI_ACPI */