From: Michael Ellerman <michael@ellerman.id.au>
Date: Thu, 22 Jan 2009 20:54:31 +0000 (+0000)
Subject: powerpc/pseries: Fix MSI-X interrupt querying
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e27ed698b88b3387d326e84c0bbe9f83e19c747b;p=openwrt%2Fstaging%2Fblogic.git

powerpc/pseries: Fix MSI-X interrupt querying

We need to increment i in the loop that queries what interrupts firmware
gave us, otherwise we'll incorrectly use the first value over and over.

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/arch/powerpc/platforms/pseries/msi.c b/arch/powerpc/platforms/pseries/msi.c
index f15222bbe136..4af7aa3e2e0f 100644
--- a/arch/powerpc/platforms/pseries/msi.c
+++ b/arch/powerpc/platforms/pseries/msi.c
@@ -199,7 +199,7 @@ static int rtas_setup_msi_irqs(struct pci_dev *pdev, int nvec, int type)
 
 	i = 0;
 	list_for_each_entry(entry, &pdev->msi_list, list) {
-		hwirq = rtas_query_irq_number(pdn, i);
+		hwirq = rtas_query_irq_number(pdn, i++);
 		if (hwirq < 0) {
 			pr_debug("rtas_msi: error (%d) getting hwirq\n", rc);
 			return hwirq;