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Message-Id: <1539563070-12969-18-git-send-email-frowand.list@gmail.com>
Date: Sun, 14 Oct 2018 17:24:29 -0700
From: frowand.list@...il.com
To: Rob Herring <robh+dt@...nel.org>,
Pantelis Antoniou <pantelis.antoniou@...sulko.com>,
Michael Ellerman <mpe@...erman.id.au>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Paul Mackerras <paulus@...ba.org>,
Alan Tull <atull@...nel.org>, Moritz Fischer <mdf@...nel.org>
Cc: linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
devicetree@...r.kernel.org, linux-fpga@...r.kernel.org
Subject: [PATCH v3 17/18] of: unittest: find overlays[] entry by name instead of index
From: Frank Rowand <frank.rowand@...y.com>
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.
Signed-off-by: Frank Rowand <frank.rowand@...y.com>
---
drivers/of/unittest.c | 21 +++++++++++++++++----
1 file changed, 17 insertions(+), 4 deletions(-)
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 1c2bd8503095..785985bdbfa6 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -2178,7 +2178,7 @@ struct overlay_info {
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),
@@ -2201,7 +2201,8 @@ struct overlay_info {
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;
@@ -2231,6 +2232,19 @@ 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];
@@ -2278,11 +2292,10 @@ 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;
--
Frank Rowand <frank.rowand@...y.com>
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