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Message-ID: <20071211221940.GA14204@stusta.de>
Date: Tue, 11 Dec 2007 23:19:41 +0100
From: Adrian Bunk <bunk@...nel.org>
To: gregkh@...e.de
Cc: linux-kernel@...r.kernel.org, linux-pci@...ey.karlin.mff.cuni.cz
Subject: [2.6 patch] drivers/pci/msi.c: move arch hooks to the top
This patch fixes the following problem present with older gcc versions:
<-- snip -->
...
CC drivers/pci/msi.o
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:692: warning: weak declaration of `arch_msi_check_device' after first use results in unspecified behavior
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:704: warning: weak declaration of `arch_setup_msi_irqs' after first use results in unspecified behavior
/home/bunk/linux/kernel-2.6/git/linux-2.6/drivers/pci/msi.c:724: warning: weak declaration of `arch_teardown_msi_irqs' after first use results in unspecified behavior
...
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@...nel.org>
---
drivers/pci/msi.c | 91 ++++++++++++++++++++++------------------------
1 file changed, 45 insertions(+), 46 deletions(-)
6b61f9979425bec016aefdddfd415f6fa5240b67
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 07c9f09..21c73d5 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -25,6 +25,51 @@
static int pci_msi_enable = 1;
+/* Arch hooks */
+
+int __attribute__ ((weak))
+arch_msi_check_device(struct pci_dev *dev, int nvec, int type)
+{
+ return 0;
+}
+
+int __attribute__ ((weak))
+arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *entry)
+{
+ return 0;
+}
+
+int __attribute__ ((weak))
+arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
+{
+ struct msi_desc *entry;
+ int ret;
+
+ list_for_each_entry(entry, &dev->msi_list, list) {
+ ret = arch_setup_msi_irq(dev, entry);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+void __attribute__ ((weak)) arch_teardown_msi_irq(unsigned int irq)
+{
+ return;
+}
+
+void __attribute__ ((weak))
+arch_teardown_msi_irqs(struct pci_dev *dev)
+{
+ struct msi_desc *entry;
+
+ list_for_each_entry(entry, &dev->msi_list, list) {
+ if (entry->irq != 0)
+ arch_teardown_msi_irq(entry->irq);
+ }
+}
+
static void msi_set_enable(struct pci_dev *dev, int enable)
{
int pos;
@@ -683,49 +728,3 @@ void pci_msi_init_pci_dev(struct pci_dev *dev)
{
INIT_LIST_HEAD(&dev->msi_list);
}
-
-
-/* Arch hooks */
-
-int __attribute__ ((weak))
-arch_msi_check_device(struct pci_dev* dev, int nvec, int type)
-{
- return 0;
-}
-
-int __attribute__ ((weak))
-arch_setup_msi_irq(struct pci_dev *dev, struct msi_desc *entry)
-{
- return 0;
-}
-
-int __attribute__ ((weak))
-arch_setup_msi_irqs(struct pci_dev *dev, int nvec, int type)
-{
- struct msi_desc *entry;
- int ret;
-
- list_for_each_entry(entry, &dev->msi_list, list) {
- ret = arch_setup_msi_irq(dev, entry);
- if (ret)
- return ret;
- }
-
- return 0;
-}
-
-void __attribute__ ((weak)) arch_teardown_msi_irq(unsigned int irq)
-{
- return;
-}
-
-void __attribute__ ((weak))
-arch_teardown_msi_irqs(struct pci_dev *dev)
-{
- struct msi_desc *entry;
-
- list_for_each_entry(entry, &dev->msi_list, list) {
- if (entry->irq != 0)
- arch_teardown_msi_irq(entry->irq);
- }
-}
--
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