From da456dfc8560fd53d13c45b63d1ce887dd2e85be Mon Sep 17 00:00:00 2001
From: Federico Vaga <federico.vaga@cern.ch>
Date: Tue, 20 Jan 2015 12:27:42 +0100
Subject: [PATCH] kernel: pci_enable_msi_{block|exact} according to version
Signed-off-by: Federico Vaga <federico.vaga@cern.ch>
---
kernel/spec-pci.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/kernel/spec-pci.c b/kernel/spec-pci.c
index a067318..130cdbc 100644
--- a/kernel/spec-pci.c
+++ b/kernel/spec-pci.c
@@ -20,6 +20,7 @@
#include <linux/pci.h>
#include <linux/io.h>
#include <asm/unaligned.h>
+#include <linux/version.h>
#include "spec.h"
#include "loader-ll.h"
@@ -110,7 +111,11 @@ static int spec_probe(struct pci_dev *pdev,
* This should be "4" but arch/x86/kernel/apic/io_apic.c
* says "x86 doesn't support multiple MSI yet".
*/
+ #if LINUX_VERSION_CODE < KERNEL_VERSION(3,16,0)
ret = pci_enable_msi_block(pdev, 1);
+ #else
+ ret = pci_enable_msi_exact(pdev, 1);
+ #endif
if (ret < 0)
dev_err(&pdev->dev, "%s: enable msi block: error %i\n",
__func__, ret);
--
GitLab