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authorFrank Rowand <frank.rowand@sony.com>2018-10-05 05:41:03 +0200
committerFrank Rowand <frank.rowand@sony.com>2018-11-09 07:12:31 +0100
commit160b1d4e4127f0ef5d9ac281b6fa6ef1fb78c45f (patch)
treebe20d4b09e04c66e5dd19e127a7ae39c9ed1376f /drivers/of
parentof: unittest: allow base devicetree to have symbol metadata (diff)
downloadlinux-160b1d4e4127f0ef5d9ac281b6fa6ef1fb78c45f.tar.xz
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of: unittest: find overlays[] entry by name instead of index
One accessor of overlays[] was using a hard coded index value to find the correct array entry instead of searching for the entry containing the correct name. Tested-by: Alan Tull <atull@kernel.org> Signed-off-by: Frank Rowand <frank.rowand@sony.com>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/unittest.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index d625a91a7f60..fe01c5869b0f 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -2192,7 +2192,7 @@ OVERLAY_INFO_EXTERN(overlay_bad_add_dup_prop);
OVERLAY_INFO_EXTERN(overlay_bad_phandle);
OVERLAY_INFO_EXTERN(overlay_bad_symbol);
-/* order of entries is hard-coded into users of overlays[] */
+/* entries found by name */
static struct overlay_info overlays[] = {
OVERLAY_INFO(overlay_base, -9999),
OVERLAY_INFO(overlay, 0),
@@ -2215,7 +2215,8 @@ static struct overlay_info overlays[] = {
OVERLAY_INFO(overlay_bad_add_dup_prop, -EINVAL),
OVERLAY_INFO(overlay_bad_phandle, -EINVAL),
OVERLAY_INFO(overlay_bad_symbol, -EINVAL),
- {}
+ /* end marker */
+ {.dtb_begin = NULL, .dtb_end = NULL, .expected_result = 0, .name = NULL}
};
static struct device_node *overlay_base_root;
@@ -2245,6 +2246,19 @@ void __init unittest_unflatten_overlay_base(void)
u32 data_size;
void *new_fdt;
u32 size;
+ int found = 0;
+ const char *overlay_name = "overlay_base";
+
+ for (info = overlays; info && info->name; info++) {
+ if (!strcmp(overlay_name, info->name)) {
+ found = 1;
+ break;
+ }
+ }
+ if (!found) {
+ pr_err("no overlay data for %s\n", overlay_name);
+ return;
+ }
info = &overlays[0];
@@ -2292,11 +2306,10 @@ static int __init overlay_data_apply(const char *overlay_name, int *overlay_id)
{
struct overlay_info *info;
int found = 0;
- int k;
int ret;
u32 size;
- for (k = 0, info = overlays; info && info->name; info++, k++) {
+ for (info = overlays; info && info->name; info++) {
if (!strcmp(overlay_name, info->name)) {
found = 1;
break;