Re: [PATCH v2 3/7] of: overlay: rename overlay source files from .dts to .dtso
From: Frank Rowand
Date: Mon Oct 24 2022 - 19:44:16 EST
On 10/24/22 12:34, Andrew Davis wrote:
> From: Frank Rowand <frank.rowand@xxxxxxxx>
>
> In drivers/of/unittest-data/:
> - Rename .dts overlay source files to use .dtso suffix.
>
> Modify driver/of/unitest.c to use .dtbo.o based symbols instead of .dtb.o
>
> Signed-off-by: Frank Rowand <frank.rowand@xxxxxxxx>
> Signed-off-by: Andrew Davis <afd@xxxxxx>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Tested-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> ---
Reviewed-by: Frank Rowand <frowand.list@xxxxxxxxx>
Tested-by: Frank Rowand <frowand.list@xxxxxxxxx>
-Frank
> drivers/of/unittest-data/Makefile | 66 +++++++++----------
> .../{overlay.dts => overlay.dtso} | 0
> .../{overlay_0.dts => overlay_0.dtso} | 0
> .../{overlay_1.dts => overlay_1.dtso} | 0
> .../{overlay_10.dts => overlay_10.dtso} | 0
> .../{overlay_11.dts => overlay_11.dtso} | 0
> .../{overlay_12.dts => overlay_12.dtso} | 0
> .../{overlay_13.dts => overlay_13.dtso} | 0
> .../{overlay_15.dts => overlay_15.dtso} | 0
> .../{overlay_16.dts => overlay_16.dtso} | 0
> .../{overlay_17.dts => overlay_17.dtso} | 0
> .../{overlay_18.dts => overlay_18.dtso} | 0
> .../{overlay_19.dts => overlay_19.dtso} | 0
> .../{overlay_2.dts => overlay_2.dtso} | 0
> .../{overlay_20.dts => overlay_20.dtso} | 0
> .../{overlay_3.dts => overlay_3.dtso} | 0
> .../{overlay_4.dts => overlay_4.dtso} | 0
> .../{overlay_5.dts => overlay_5.dtso} | 0
> .../{overlay_6.dts => overlay_6.dtso} | 0
> .../{overlay_7.dts => overlay_7.dtso} | 0
> .../{overlay_8.dts => overlay_8.dtso} | 0
> .../{overlay_9.dts => overlay_9.dtso} | 0
> ...node.dts => overlay_bad_add_dup_node.dtso} | 0
> ...prop.dts => overlay_bad_add_dup_prop.dtso} | 0
> ...d_phandle.dts => overlay_bad_phandle.dtso} | 0
> ...bad_symbol.dts => overlay_bad_symbol.dtso} | 0
> .../{overlay_base.dts => overlay_base.dtso} | 0
> ...erlay_gpio_01.dts => overlay_gpio_01.dtso} | 0
> ...lay_gpio_02a.dts => overlay_gpio_02a.dtso} | 0
> ...lay_gpio_02b.dts => overlay_gpio_02b.dtso} | 0
> ...erlay_gpio_03.dts => overlay_gpio_03.dtso} | 0
> ...lay_gpio_04a.dts => overlay_gpio_04a.dtso} | 0
> ...lay_gpio_04b.dts => overlay_gpio_04b.dtso} | 0
> .../{testcases.dts => testcases.dtso} | 0
> drivers/of/unittest.c | 48 +++++++-------
> 35 files changed, 57 insertions(+), 57 deletions(-)
> rename drivers/of/unittest-data/{overlay.dts => overlay.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_0.dts => overlay_0.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_1.dts => overlay_1.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_10.dts => overlay_10.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_11.dts => overlay_11.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_12.dts => overlay_12.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_13.dts => overlay_13.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_15.dts => overlay_15.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_16.dts => overlay_16.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_17.dts => overlay_17.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_18.dts => overlay_18.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_19.dts => overlay_19.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_2.dts => overlay_2.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_20.dts => overlay_20.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_3.dts => overlay_3.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_4.dts => overlay_4.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_5.dts => overlay_5.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_6.dts => overlay_6.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_7.dts => overlay_7.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_8.dts => overlay_8.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_9.dts => overlay_9.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_bad_add_dup_node.dts => overlay_bad_add_dup_node.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_bad_add_dup_prop.dts => overlay_bad_add_dup_prop.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_bad_phandle.dts => overlay_bad_phandle.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_bad_symbol.dts => overlay_bad_symbol.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_base.dts => overlay_base.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_gpio_01.dts => overlay_gpio_01.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_gpio_02a.dts => overlay_gpio_02a.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_gpio_02b.dts => overlay_gpio_02b.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_gpio_03.dts => overlay_gpio_03.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_gpio_04a.dts => overlay_gpio_04a.dtso} (100%)
> rename drivers/of/unittest-data/{overlay_gpio_04b.dts => overlay_gpio_04b.dtso} (100%)
> rename drivers/of/unittest-data/{testcases.dts => testcases.dtso} (100%)
>
> diff --git a/drivers/of/unittest-data/Makefile b/drivers/of/unittest-data/Makefile
> index d072f3ba39712..ea5f4da68e23a 100644
> --- a/drivers/of/unittest-data/Makefile
> +++ b/drivers/of/unittest-data/Makefile
> @@ -1,38 +1,38 @@
> # SPDX-License-Identifier: GPL-2.0
> -obj-y += testcases.dtb.o
> +obj-y += testcases.dtbo.o
>
> -obj-$(CONFIG_OF_OVERLAY) += overlay.dtb.o \
> - overlay_0.dtb.o \
> - overlay_1.dtb.o \
> - overlay_2.dtb.o \
> - overlay_3.dtb.o \
> - overlay_4.dtb.o \
> - overlay_5.dtb.o \
> - overlay_6.dtb.o \
> - overlay_7.dtb.o \
> - overlay_8.dtb.o \
> - overlay_9.dtb.o \
> - overlay_10.dtb.o \
> - overlay_11.dtb.o \
> - overlay_12.dtb.o \
> - overlay_13.dtb.o \
> - overlay_15.dtb.o \
> - overlay_16.dtb.o \
> - overlay_17.dtb.o \
> - overlay_18.dtb.o \
> - overlay_19.dtb.o \
> - overlay_20.dtb.o \
> - overlay_bad_add_dup_node.dtb.o \
> - overlay_bad_add_dup_prop.dtb.o \
> - overlay_bad_phandle.dtb.o \
> - overlay_bad_symbol.dtb.o \
> - overlay_base.dtb.o \
> - overlay_gpio_01.dtb.o \
> - overlay_gpio_02a.dtb.o \
> - overlay_gpio_02b.dtb.o \
> - overlay_gpio_03.dtb.o \
> - overlay_gpio_04a.dtb.o \
> - overlay_gpio_04b.dtb.o
> +obj-$(CONFIG_OF_OVERLAY) += overlay.dtbo.o \
> + overlay_0.dtbo.o \
> + overlay_1.dtbo.o \
> + overlay_2.dtbo.o \
> + overlay_3.dtbo.o \
> + overlay_4.dtbo.o \
> + overlay_5.dtbo.o \
> + overlay_6.dtbo.o \
> + overlay_7.dtbo.o \
> + overlay_8.dtbo.o \
> + overlay_9.dtbo.o \
> + overlay_10.dtbo.o \
> + overlay_11.dtbo.o \
> + overlay_12.dtbo.o \
> + overlay_13.dtbo.o \
> + overlay_15.dtbo.o \
> + overlay_16.dtbo.o \
> + overlay_17.dtbo.o \
> + overlay_18.dtbo.o \
> + overlay_19.dtbo.o \
> + overlay_20.dtbo.o \
> + overlay_bad_add_dup_node.dtbo.o \
> + overlay_bad_add_dup_prop.dtbo.o \
> + overlay_bad_phandle.dtbo.o \
> + overlay_bad_symbol.dtbo.o \
> + overlay_base.dtbo.o \
> + overlay_gpio_01.dtbo.o \
> + overlay_gpio_02a.dtbo.o \
> + overlay_gpio_02b.dtbo.o \
> + overlay_gpio_03.dtbo.o \
> + overlay_gpio_04a.dtbo.o \
> + overlay_gpio_04b.dtbo.o
>
> # enable creation of __symbols__ node
> DTC_FLAGS_overlay += -@
> diff --git a/drivers/of/unittest-data/overlay.dts b/drivers/of/unittest-data/overlay.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay.dts
> rename to drivers/of/unittest-data/overlay.dtso
> diff --git a/drivers/of/unittest-data/overlay_0.dts b/drivers/of/unittest-data/overlay_0.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_0.dts
> rename to drivers/of/unittest-data/overlay_0.dtso
> diff --git a/drivers/of/unittest-data/overlay_1.dts b/drivers/of/unittest-data/overlay_1.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_1.dts
> rename to drivers/of/unittest-data/overlay_1.dtso
> diff --git a/drivers/of/unittest-data/overlay_10.dts b/drivers/of/unittest-data/overlay_10.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_10.dts
> rename to drivers/of/unittest-data/overlay_10.dtso
> diff --git a/drivers/of/unittest-data/overlay_11.dts b/drivers/of/unittest-data/overlay_11.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_11.dts
> rename to drivers/of/unittest-data/overlay_11.dtso
> diff --git a/drivers/of/unittest-data/overlay_12.dts b/drivers/of/unittest-data/overlay_12.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_12.dts
> rename to drivers/of/unittest-data/overlay_12.dtso
> diff --git a/drivers/of/unittest-data/overlay_13.dts b/drivers/of/unittest-data/overlay_13.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_13.dts
> rename to drivers/of/unittest-data/overlay_13.dtso
> diff --git a/drivers/of/unittest-data/overlay_15.dts b/drivers/of/unittest-data/overlay_15.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_15.dts
> rename to drivers/of/unittest-data/overlay_15.dtso
> diff --git a/drivers/of/unittest-data/overlay_16.dts b/drivers/of/unittest-data/overlay_16.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_16.dts
> rename to drivers/of/unittest-data/overlay_16.dtso
> diff --git a/drivers/of/unittest-data/overlay_17.dts b/drivers/of/unittest-data/overlay_17.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_17.dts
> rename to drivers/of/unittest-data/overlay_17.dtso
> diff --git a/drivers/of/unittest-data/overlay_18.dts b/drivers/of/unittest-data/overlay_18.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_18.dts
> rename to drivers/of/unittest-data/overlay_18.dtso
> diff --git a/drivers/of/unittest-data/overlay_19.dts b/drivers/of/unittest-data/overlay_19.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_19.dts
> rename to drivers/of/unittest-data/overlay_19.dtso
> diff --git a/drivers/of/unittest-data/overlay_2.dts b/drivers/of/unittest-data/overlay_2.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_2.dts
> rename to drivers/of/unittest-data/overlay_2.dtso
> diff --git a/drivers/of/unittest-data/overlay_20.dts b/drivers/of/unittest-data/overlay_20.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_20.dts
> rename to drivers/of/unittest-data/overlay_20.dtso
> diff --git a/drivers/of/unittest-data/overlay_3.dts b/drivers/of/unittest-data/overlay_3.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_3.dts
> rename to drivers/of/unittest-data/overlay_3.dtso
> diff --git a/drivers/of/unittest-data/overlay_4.dts b/drivers/of/unittest-data/overlay_4.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_4.dts
> rename to drivers/of/unittest-data/overlay_4.dtso
> diff --git a/drivers/of/unittest-data/overlay_5.dts b/drivers/of/unittest-data/overlay_5.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_5.dts
> rename to drivers/of/unittest-data/overlay_5.dtso
> diff --git a/drivers/of/unittest-data/overlay_6.dts b/drivers/of/unittest-data/overlay_6.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_6.dts
> rename to drivers/of/unittest-data/overlay_6.dtso
> diff --git a/drivers/of/unittest-data/overlay_7.dts b/drivers/of/unittest-data/overlay_7.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_7.dts
> rename to drivers/of/unittest-data/overlay_7.dtso
> diff --git a/drivers/of/unittest-data/overlay_8.dts b/drivers/of/unittest-data/overlay_8.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_8.dts
> rename to drivers/of/unittest-data/overlay_8.dtso
> diff --git a/drivers/of/unittest-data/overlay_9.dts b/drivers/of/unittest-data/overlay_9.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_9.dts
> rename to drivers/of/unittest-data/overlay_9.dtso
> diff --git a/drivers/of/unittest-data/overlay_bad_add_dup_node.dts b/drivers/of/unittest-data/overlay_bad_add_dup_node.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_bad_add_dup_node.dts
> rename to drivers/of/unittest-data/overlay_bad_add_dup_node.dtso
> diff --git a/drivers/of/unittest-data/overlay_bad_add_dup_prop.dts b/drivers/of/unittest-data/overlay_bad_add_dup_prop.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_bad_add_dup_prop.dts
> rename to drivers/of/unittest-data/overlay_bad_add_dup_prop.dtso
> diff --git a/drivers/of/unittest-data/overlay_bad_phandle.dts b/drivers/of/unittest-data/overlay_bad_phandle.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_bad_phandle.dts
> rename to drivers/of/unittest-data/overlay_bad_phandle.dtso
> diff --git a/drivers/of/unittest-data/overlay_bad_symbol.dts b/drivers/of/unittest-data/overlay_bad_symbol.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_bad_symbol.dts
> rename to drivers/of/unittest-data/overlay_bad_symbol.dtso
> diff --git a/drivers/of/unittest-data/overlay_base.dts b/drivers/of/unittest-data/overlay_base.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_base.dts
> rename to drivers/of/unittest-data/overlay_base.dtso
> diff --git a/drivers/of/unittest-data/overlay_gpio_01.dts b/drivers/of/unittest-data/overlay_gpio_01.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_gpio_01.dts
> rename to drivers/of/unittest-data/overlay_gpio_01.dtso
> diff --git a/drivers/of/unittest-data/overlay_gpio_02a.dts b/drivers/of/unittest-data/overlay_gpio_02a.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_gpio_02a.dts
> rename to drivers/of/unittest-data/overlay_gpio_02a.dtso
> diff --git a/drivers/of/unittest-data/overlay_gpio_02b.dts b/drivers/of/unittest-data/overlay_gpio_02b.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_gpio_02b.dts
> rename to drivers/of/unittest-data/overlay_gpio_02b.dtso
> diff --git a/drivers/of/unittest-data/overlay_gpio_03.dts b/drivers/of/unittest-data/overlay_gpio_03.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_gpio_03.dts
> rename to drivers/of/unittest-data/overlay_gpio_03.dtso
> diff --git a/drivers/of/unittest-data/overlay_gpio_04a.dts b/drivers/of/unittest-data/overlay_gpio_04a.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_gpio_04a.dts
> rename to drivers/of/unittest-data/overlay_gpio_04a.dtso
> diff --git a/drivers/of/unittest-data/overlay_gpio_04b.dts b/drivers/of/unittest-data/overlay_gpio_04b.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/overlay_gpio_04b.dts
> rename to drivers/of/unittest-data/overlay_gpio_04b.dtso
> diff --git a/drivers/of/unittest-data/testcases.dts b/drivers/of/unittest-data/testcases.dtso
> similarity index 100%
> rename from drivers/of/unittest-data/testcases.dts
> rename to drivers/of/unittest-data/testcases.dtso
> diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
> index b89ab5d9fea55..1d810c0e18f8c 100644
> --- a/drivers/of/unittest.c
> +++ b/drivers/of/unittest.c
> @@ -1423,12 +1423,12 @@ static int __init unittest_data_add(void)
> void *unittest_data_align;
> struct device_node *unittest_data_node = NULL, *np;
> /*
> - * __dtb_testcases_begin[] and __dtb_testcases_end[] are magically
> - * created by cmd_dt_S_dtb in scripts/Makefile.lib
> + * __dtbo_testcases_begin[] and __dtbo_testcases_end[] are magically
> + * created by cmd_dt_S_dtbo in scripts/Makefile.lib
> */
> - extern uint8_t __dtb_testcases_begin[];
> - extern uint8_t __dtb_testcases_end[];
> - const int size = __dtb_testcases_end - __dtb_testcases_begin;
> + extern uint8_t __dtbo_testcases_begin[];
> + extern uint8_t __dtbo_testcases_end[];
> + const int size = __dtbo_testcases_end - __dtbo_testcases_begin;
> int rc;
> void *ret;
>
> @@ -1443,7 +1443,7 @@ static int __init unittest_data_add(void)
> return -ENOMEM;
>
> unittest_data_align = PTR_ALIGN(unittest_data, FDT_ALIGN_SIZE);
> - memcpy(unittest_data_align, __dtb_testcases_begin, size);
> + memcpy(unittest_data_align, __dtbo_testcases_begin, size);
>
> ret = of_fdt_unflatten_tree(unittest_data_align, NULL, &unittest_data_node);
> if (!ret) {
> @@ -3003,24 +3003,24 @@ static inline void __init of_unittest_overlay(void) { }
> #ifdef CONFIG_OF_OVERLAY
>
> /*
> - * __dtb_ot_begin[] and __dtb_ot_end[] are created by cmd_dt_S_dtb
> - * in scripts/Makefile.lib
> + * __dtbo_##overlay_name##_begin[] and __dtbo_##overlay_name##_end[] are
> + * created by cmd_dt_S_dtbo in scripts/Makefile.lib
> */
>
> -#define OVERLAY_INFO_EXTERN(name) \
> - extern uint8_t __dtb_##name##_begin[]; \
> - extern uint8_t __dtb_##name##_end[]
> +#define OVERLAY_INFO_EXTERN(overlay_name) \
> + extern uint8_t __dtbo_##overlay_name##_begin[]; \
> + extern uint8_t __dtbo_##overlay_name##_end[]
>
> -#define OVERLAY_INFO(overlay_name, expected) \
> -{ .dtb_begin = __dtb_##overlay_name##_begin, \
> - .dtb_end = __dtb_##overlay_name##_end, \
> - .expected_result = expected, \
> - .name = #overlay_name, \
> +#define OVERLAY_INFO(overlay_name, expected) \
> +{ .dtbo_begin = __dtbo_##overlay_name##_begin, \
> + .dtbo_end = __dtbo_##overlay_name##_end, \
> + .expected_result = expected, \
> + .name = #overlay_name, \
> }
>
> struct overlay_info {
> - uint8_t *dtb_begin;
> - uint8_t *dtb_end;
> + uint8_t *dtbo_begin;
> + uint8_t *dtbo_end;
> int expected_result;
> int ovcs_id;
> char *name;
> @@ -3094,7 +3094,7 @@ static struct overlay_info overlays[] = {
> 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}
> + {.dtbo_begin = NULL, .dtbo_end = NULL, .expected_result = 0, .name = NULL}
> };
>
> static struct device_node *overlay_base_root;
> @@ -3151,13 +3151,13 @@ void __init unittest_unflatten_overlay_base(void)
> return;
> }
>
> - data_size = info->dtb_end - info->dtb_begin;
> + data_size = info->dtbo_end - info->dtbo_begin;
> if (!data_size) {
> pr_err("No dtb 'overlay_base' to attach\n");
> return;
> }
>
> - size = fdt_totalsize(info->dtb_begin);
> + size = fdt_totalsize(info->dtbo_begin);
> if (size != data_size) {
> pr_err("dtb 'overlay_base' header totalsize != actual size");
> return;
> @@ -3169,7 +3169,7 @@ void __init unittest_unflatten_overlay_base(void)
> return;
> }
>
> - memcpy(new_fdt, info->dtb_begin, size);
> + memcpy(new_fdt, info->dtbo_begin, size);
>
> __unflatten_device_tree(new_fdt, NULL, &overlay_base_root,
> dt_alloc_memory, true);
> @@ -3204,11 +3204,11 @@ static int __init overlay_data_apply(const char *overlay_name, int *ovcs_id)
> return 0;
> }
>
> - size = info->dtb_end - info->dtb_begin;
> + size = info->dtbo_end - info->dtbo_begin;
> if (!size)
> pr_err("no overlay data for %s\n", overlay_name);
>
> - ret = of_overlay_fdt_apply(info->dtb_begin, size, &info->ovcs_id);
> + ret = of_overlay_fdt_apply(info->dtbo_begin, size, &info->ovcs_id);
> if (ovcs_id)
> *ovcs_id = info->ovcs_id;
> if (ret < 0)