qubes-linux-kernel/patches.arch/ppc-vio-modalias.patch
2010-07-07 13:12:45 +02:00

37 lines
919 B
Diff

From: Olaf Hering <olh@novell.com>
Subject: [PATCH] poweroc: vio modalias
Patch-mainline: not yet
Acked-by: Olaf Hering <olh@novell.com>
---
arch/powerpc/kernel/vio.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1319,9 +1319,24 @@ static ssize_t devspec_show(struct devic
return sprintf(buf, "%s\n", of_node ? of_node->full_name : "none");
}
+static ssize_t modalias_show (struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct device_node *of_node = dev->archdata.of_node;
+ const char *compat;
+ int i = 0;
+
+ if (of_node) {
+ compat = of_get_property(of_node, "compatible", &i);
+ i = sprintf (buf, "vio:T%sS%s\n", of_node->type, compat);
+ }
+ return i;
+}
+
static struct device_attribute vio_dev_attrs[] = {
__ATTR_RO(name),
__ATTR_RO(devspec),
+ __ATTR_RO(modalias),
__ATTR_NULL
};