shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 18:41:58 +09:00
Code Issues Packages Projects Releases Wiki Activity

ANDROID: of/property: Add device link support for iommus

Browse Source 
Add support for parsing iommus DT property to create device links
between IOMMU suppliers and their consumers.

Bug: 140290589
Signed-off-by: Saravana Kannan <saravanak@google.com>
Change-Id: I7aa1b4315010fa5f3dc49c0903d164478ecdd1a7
This commit is contained in:
Saravana Kannan
2019-10-09 15:23:28 -07:00
parent 12c7af34c3
commit 87337fb791
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/of/property.c
View File

@@ -1106,6 +1106,13 @@ static struct device_node *parse_interconnects(struct device_node *np,
"#interconnect-cells");
}
static struct device_node *parse_iommus(struct device_node *np,
const char *prop_name, int index)
{
return parse_prop_cells(np, prop_name, index, "iommus",
"#iommu-cells");
}
static int strcmp_suffix(const char *str, const char *suffix)
{
unsigned int len, suffix_len;
@@ -1151,6 +1158,7 @@ static const struct supplier_bindings bindings[] = {
{ .parse_prop = parse_clocks, },
{ .parse_prop = parse_interconnects, },
{ .parse_prop = parse_regulators, },
{ .parse_prop = parse_iommus, },
{},
};