leandrof/u-boot
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-spi into next

Browse Source 
- SPI NOT OF partitions (Marek Behún)
- Macronic SPI NAND (Jaime Liao)
- Macronix MX66UW2G345G SPI NOR (zhengxun)
This commit is contained in:
Tom Rini 2021-06-24 11:11:13 -04:00
commit 67edf2553f
17 changed files with 362 additions and 75 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
cmd/mtd.c
View File

@ -126,6 +126,13 @@ static void mtd_show_device(struct mtd_info *mtd)
printf(" - driver: %s\n", mtd->dev->driver->name);
}
#endif
if (IS_ENABLED(CONFIG_OF_CONTROL) && mtd->dev) {
char buf[256];
int res;
res = ofnode_get_path(mtd_get_ofnode(mtd), buf, 256);
printf(" - path: %s\n", res == 0 ? buf : "unavailable");
}
/* MTD device information */
printf(" - type: ");
@ -535,7 +542,7 @@ static char mtd_help_text[] =
"mtd bad <name>\n"
"\n"
"With:\n"
"\t<name>: NAND partition/chip name\n"
"\t<name>: NAND partition/chip name (or corresponding DM device name or OF path)\n"
"\t<addr>: user address from/to which data will be retrieved/stored\n"
"\t<off>: offset in <name> in bytes (default: start of the part)\n"
"\t\t* must be block-aligned for erase\n"

44
drivers/core/ofnode.c
View File

@ -286,6 +286,31 @@ const char *ofnode_get_name(ofnode node)
return fdt_get_name(gd->fdt_blob, ofnode_to_offset(node), NULL);
}
int ofnode_get_path(ofnode node, char *buf, int buflen)
{
assert(ofnode_valid(node));
if (ofnode_is_np(node)) {
if (strlen(node.np->full_name) >= buflen)
return -ENOSPC;
strcpy(buf, node.np->full_name);
return 0;
} else {
int res;
res = fdt_get_path(gd->fdt_blob, ofnode_to_offset(node), buf,
buflen);
if (!res)
return res;
else if (res == -FDT_ERR_NOSPACE)
return -ENOSPC;
else
return -EINVAL;
}
}
ofnode ofnode_get_by_phandle(uint phandle)
{
ofnode node;
@ -299,7 +324,8 @@ ofnode ofnode_get_by_phandle(uint phandle)
return node;
}
fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
static fdt_addr_t __ofnode_get_addr_size_index(ofnode node, int index,
fdt_size_t *size, bool translate)
{
int na, ns;
@ -319,7 +345,7 @@ fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
ns = of_n_size_cells(ofnode_to_np(node));
if (IS_ENABLED(CONFIG_OF_TRANSLATE) && ns > 0) {
if (translate && IS_ENABLED(CONFIG_OF_TRANSLATE) && ns > 0) {
return of_translate_address(ofnode_to_np(node), prop_val);
} else {
na = of_n_addr_cells(ofnode_to_np(node));
@ -330,12 +356,24 @@ fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
ns = ofnode_read_simple_size_cells(ofnode_get_parent(node));
return fdtdec_get_addr_size_fixed(gd->fdt_blob,
ofnode_to_offset(node), "reg",
index, na, ns, size, true);
index, na, ns, size,
translate);
}
return FDT_ADDR_T_NONE;
}
fdt_addr_t ofnode_get_addr_size_index(ofnode node, int index, fdt_size_t *size)
{
return __ofnode_get_addr_size_index(node, index, size, true);
}
fdt_addr_t ofnode_get_addr_size_index_notrans(ofnode node, int index,
fdt_size_t *size)
{
return __ofnode_get_addr_size_index(node, index, size, false);
}
fdt_addr_t ofnode_get_addr_index(ofnode node, int index)
{
fdt_size_t size;

15
drivers/mtd/mtd-uclass.c
View File

@ -9,21 +9,6 @@
#include <errno.h>
#include <mtd.h>
/**
* mtd_probe - Probe the device @dev if not already done
*
* @dev: U-Boot device to probe
*
* @return 0 on success, an error otherwise.
*/
int mtd_probe(struct udevice *dev)
{
if (device_active(dev))
return 0;
return device_probe(dev);
}
/*
* Implement a MTD uclass which should include most flash drivers.
* The uclass private is pointed to mtd_info.

129
drivers/mtd/mtd_uboot.c
View File

@ -9,6 +9,7 @@
#include <malloc.h>
#include <dm/device.h>
#include <dm/uclass-internal.h>
#include <dm/uclass.h>
#include <linux/err.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@ -106,18 +107,26 @@ int mtd_search_alternate_name(const char *mtdname, char *altname,
static void mtd_probe_uclass_mtd_devs(void)
{
struct udevice *dev;
int idx = 0;
/* Probe devices with DM compliant drivers */
while (!uclass_find_device(UCLASS_MTD, idx, &dev) && dev) {
mtd_probe(dev);
idx++;
}
uclass_foreach_dev_probe(UCLASS_MTD, dev)
;
}
#else
static void mtd_probe_uclass_mtd_devs(void) { }
#endif
#if IS_ENABLED(CONFIG_DM_SPI_FLASH) && IS_ENABLED(CONFIG_SPI_FLASH_MTD)
static void mtd_probe_uclass_spi_nor_devs(void)
{
struct udevice *dev;
uclass_foreach_dev_probe(UCLASS_SPI_FLASH, dev)
;
}
#else
static void mtd_probe_uclass_spi_nor_devs(void) { }
#endif
#if defined(CONFIG_MTD_PARTITIONS)
#define MTDPARTS_MAXLEN 512
@ -198,53 +207,11 @@ static void mtd_del_all_parts(void)
} while (ret > 0);
}
int mtd_probe_devices(void)
static int parse_mtdparts(const char *mtdparts, const char *mtdids)
{
static char *old_mtdparts;
static char *old_mtdids;
const char *mtdparts = get_mtdparts();
const char *mtdids = get_mtdids();
const char *mtdparts_next = mtdparts;
const char *mtdparts_next;
struct mtd_info *mtd;
mtd_probe_uclass_mtd_devs();
/*
* Check if mtdparts/mtdids changed, if the MTD dev list was updated
* or if our previous attempt to delete existing partititions failed.
* In any of these cases we want to update the partitions, otherwise,
* everything is up-to-date and we can return 0 directly.
*/
if ((!mtdparts && !old_mtdparts && !mtdids && !old_mtdids) ||
(mtdparts && old_mtdparts && mtdids && old_mtdids &&
!mtd_dev_list_updated() && !mtd_del_all_parts_failed &&
!strcmp(mtdparts, old_mtdparts) &&
!strcmp(mtdids, old_mtdids)))
return 0;
/* Update the local copy of mtdparts */
free(old_mtdparts);
free(old_mtdids);
old_mtdparts = strdup(mtdparts);
old_mtdids = strdup(mtdids);
/*
* Remove all old parts. Note that partition removal can fail in case
* one of the partition is still being used by an MTD user, so this
* does not guarantee that all old partitions are gone.
*/
mtd_del_all_parts();
/*
* Call mtd_dev_list_updated() to clear updates generated by our own
* parts removal loop.
*/
mtd_dev_list_updated();
/* If either mtdparts or mtdids is empty, then exit */
if (!mtdparts || !mtdids)
return 0;
/* Start the parsing by ignoring the extra 'mtdparts=' prefix, if any */
if (!strncmp(mtdparts, "mtdparts=", sizeof("mtdparts=") - 1))
mtdparts += 9;
@ -343,6 +310,67 @@ int mtd_probe_devices(void)
put_mtd_device(mtd);
}
return 0;
}
int mtd_probe_devices(void)
{
static char *old_mtdparts;
static char *old_mtdids;
const char *mtdparts = get_mtdparts();
const char *mtdids = get_mtdids();
struct mtd_info *mtd;
mtd_probe_uclass_mtd_devs();
mtd_probe_uclass_spi_nor_devs();
/*
* Check if mtdparts/mtdids changed, if the MTD dev list was updated
* or if our previous attempt to delete existing partititions failed.
* In any of these cases we want to update the partitions, otherwise,
* everything is up-to-date and we can return 0 directly.
*/
if ((!mtdparts && !old_mtdparts && !mtdids && !old_mtdids) ||
(mtdparts && old_mtdparts && mtdids && old_mtdids &&
!mtd_dev_list_updated() && !mtd_del_all_parts_failed &&
!strcmp(mtdparts, old_mtdparts) &&
!strcmp(mtdids, old_mtdids)))
return 0;
/* Update the local copy of mtdparts */
free(old_mtdparts);
free(old_mtdids);
old_mtdparts = strdup(mtdparts);
old_mtdids = strdup(mtdids);
/*
* Remove all old parts. Note that partition removal can fail in case
* one of the partition is still being used by an MTD user, so this
* does not guarantee that all old partitions are gone.
*/
mtd_del_all_parts();
/*
* Call mtd_dev_list_updated() to clear updates generated by our own
* parts removal loop.
*/
mtd_dev_list_updated();
/* If both mtdparts and mtdids are non-empty, parse */
if (mtdparts && mtdids) {
if (parse_mtdparts(mtdparts, mtdids) < 0)
printf("Failed parsing MTD partitions from mtdparts!\n");
}
/* Fallback to OF partitions */
mtd_for_each_device(mtd) {
if (list_empty(&mtd->partitions)) {
if (add_mtd_partitions_of(mtd) < 0)
printf("Failed parsing MTD %s OF partitions!\n",
mtd->name);
}
}
/*
* Call mtd_dev_list_updated() to clear updates generated by our own
* parts registration loop.
@ -355,6 +383,7 @@ int mtd_probe_devices(void)
int mtd_probe_devices(void)
{
mtd_probe_uclass_mtd_devs();
mtd_probe_uclass_spi_nor_devs();
return 0;
}

35
drivers/mtd/mtdcore.c
View File

@ -768,6 +768,32 @@ int __get_mtd_device(struct mtd_info *mtd)
}
EXPORT_SYMBOL_GPL(__get_mtd_device);
#if CONFIG_IS_ENABLED(DM) && CONFIG_IS_ENABLED(OF_CONTROL)
static bool mtd_device_matches_name(struct mtd_info *mtd, const char *name)
{
struct udevice *dev = NULL;
bool is_part;
/*
* If the first character of mtd name is '/', try interpreting as OF
* path. Otherwise try comparing by mtd->name and mtd->dev->name.
*/
if (*name == '/')
device_get_global_by_ofnode(ofnode_path(name), &dev);
is_part = mtd_is_partition(mtd);
return (!is_part && dev && mtd->dev == dev) ||
!strcmp(name, mtd->name) ||
(is_part && mtd->dev && !strcmp(name, mtd->dev->name));
}
#else
static bool mtd_device_matches_name(struct mtd_info *mtd, const char *name)
{
return !strcmp(name, mtd->name);
}
#endif
/**
* get_mtd_device_nm - obtain a validated handle for an MTD device by
* device name
@ -784,10 +810,19 @@ struct mtd_info *get_mtd_device_nm(const char *name)
mutex_lock(&mtd_table_mutex);
mtd_for_each_device(other) {
#ifdef __UBOOT__
if (mtd_device_matches_name(other, name)) {
if (mtd)
printf("\nWarning: MTD name \"%s\" is not unique!\n\n",
name);
mtd = other;
}
#else /* !__UBOOT__ */
if (!strcmp(name, other->name)) {
mtd = other;
break;
}
#endif /* !__UBOOT__ */
}
if (!mtd)

63
drivers/mtd/mtdpart.c
View File

@ -892,6 +892,69 @@ int add_mtd_partitions(struct mtd_info *master,
return 0;
}
#if CONFIG_IS_ENABLED(DM) && CONFIG_IS_ENABLED(OF_CONTROL)
int add_mtd_partitions_of(struct mtd_info *master)
{
ofnode parts, child;
int i = 0;
if (!master->dev)
return 0;
parts = ofnode_find_subnode(mtd_get_ofnode(master), "partitions");
if (!ofnode_valid(parts) || !ofnode_is_available(parts) ||
!ofnode_device_is_compatible(parts, "fixed-partitions"))
return 0;
ofnode_for_each_subnode(child, parts) {
struct mtd_partition part = { 0 };
struct mtd_info *slave;
fdt_addr_t offset, size;
if (!ofnode_is_available(child))
continue;
offset = ofnode_get_addr_size_index_notrans(child, 0, &size);
if (offset == FDT_ADDR_T_NONE || !size) {
debug("Missing partition offset/size on \"%s\" partition\n",
master->name);
continue;
}
part.name = ofnode_read_string(child, "label");
if (!part.name)
part.name = ofnode_read_string(child, "name");
/*
* .mask_flags is used to remove flags in allocate_partition(),
* so when "read-only" is present, we add MTD_WRITABLE to the
* mask, and so MTD_WRITABLE will be removed on partition
* allocation
*/
if (ofnode_read_bool(child, "read-only"))
part.mask_flags |= MTD_WRITEABLE;
if (ofnode_read_bool(child, "lock"))
part.mask_flags |= MTD_POWERUP_LOCK;
part.offset = offset;
part.size = size;
part.ecclayout = master->ecclayout;
slave = allocate_partition(master, &part, i++, 0);
if (IS_ERR(slave))
return PTR_ERR(slave);
mutex_lock(&mtd_partitions_mutex);
list_add_tail(&slave->node, &master->partitions);
mutex_unlock(&mtd_partitions_mutex);
add_mtd_device(slave);
}
return 0;
}
#endif /* CONFIG_IS_ENABLED(DM) && CONFIG_IS_ENABLED(OF_CONTROL) */
#ifndef __UBOOT__
static DEFINE_SPINLOCK(part_parser_lock);
static LIST_HEAD(part_parsers);

46
drivers/mtd/nand/spi/macronix.c
View File

@ -114,6 +114,52 @@ static const struct spinand_info macronix_spinand_table[] = {
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout, NULL)),
SPINAND_INFO("MX35UF4GE4AD", 0xb7,
NAND_MEMORG(1, 4096, 256, 64, 2048, 1, 1, 1),
NAND_ECCREQ(8, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
mx35lf1ge4ab_ecc_get_status)),
SPINAND_INFO("MX35UF2GE4AD", 0xa6,
NAND_MEMORG(1, 2048, 128, 64, 2048, 1, 1, 1),
NAND_ECCREQ(8, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
mx35lf1ge4ab_ecc_get_status)),
SPINAND_INFO("MX35UF2GE4AC", 0xa2,
NAND_MEMORG(1, 2048, 64, 64, 2048, 1, 1, 1),
NAND_ECCREQ(4, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
mx35lf1ge4ab_ecc_get_status)),
SPINAND_INFO("MX35UF1GE4AD", 0x96,
NAND_MEMORG(1, 2048, 128, 64, 1024, 1, 1, 1),
NAND_ECCREQ(8, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
mx35lf1ge4ab_ecc_get_status)),
SPINAND_INFO("MX35UF1GE4AC", 0x92,
NAND_MEMORG(1, 2048, 64, 64, 1024, 1, 1, 1),
NAND_ECCREQ(4, 512),
SPINAND_INFO_OP_VARIANTS(&read_cache_variants,
&write_cache_variants,
&update_cache_variants),
SPINAND_HAS_QE_BIT,
SPINAND_ECCINFO(&mx35lfxge4ab_ooblayout,
mx35lf1ge4ab_ecc_get_status)),
};
static int macronix_spinand_detect(struct spinand_device *spinand)

4
drivers/mtd/spi/sf_internal.h
View File

@ -81,14 +81,14 @@ int spi_flash_cmd_get_sw_write_prot(struct spi_flash *flash);
#if CONFIG_IS_ENABLED(SPI_FLASH_MTD)
int spi_flash_mtd_register(struct spi_flash *flash);
void spi_flash_mtd_unregister(void);
void spi_flash_mtd_unregister(struct spi_flash *flash);
#else
static inline int spi_flash_mtd_register(struct spi_flash *flash)
{
return 0;
}
static inline void spi_flash_mtd_unregister(void)
static inline void spi_flash_mtd_unregister(struct spi_flash *flash)
{
}
#endif

19
drivers/mtd/spi/sf_mtd.c
View File

@ -10,6 +10,20 @@
#include <linux/mtd/mtd.h>
#include <spi_flash.h>
#if CONFIG_IS_ENABLED(DM_SPI_FLASH)
int spi_flash_mtd_register(struct spi_flash *flash)
{
return add_mtd_device(&flash->mtd);
}
void spi_flash_mtd_unregister(struct spi_flash *flash)
{
del_mtd_device(&flash->mtd);
}
#else /* !CONFIG_IS_ENABLED(DM_SPI_FLASH) */
static struct mtd_info sf_mtd_info;
static bool sf_mtd_registered;
static char sf_mtd_name[8];
@ -111,6 +125,7 @@ int spi_flash_mtd_register(struct spi_flash *flash)
sf_mtd_info.size = flash->size;
sf_mtd_info.priv = flash;
sf_mtd_info.dev = flash->dev;
/* Only uniform flash devices for now */
sf_mtd_info.numeraseregions = 0;
@ -123,7 +138,7 @@ int spi_flash_mtd_register(struct spi_flash *flash)
return ret;
}
void spi_flash_mtd_unregister(void)
void spi_flash_mtd_unregister(struct spi_flash *flash)
{
int ret;
@ -146,3 +161,5 @@ void spi_flash_mtd_unregister(void)
printf("Failed to unregister MTD %s and the spi_flash object is going away: you're in deep trouble!",
sf_mtd_info.name);
}
#endif /* !CONFIG_IS_ENABLED(DM_SPI_FLASH) */

6
drivers/mtd/spi/sf_probe.c
View File

@ -84,7 +84,7 @@ struct spi_flash *spi_flash_probe(unsigned int busnum, unsigned int cs,
void spi_flash_free(struct spi_flash *flash)
{
if (CONFIG_IS_ENABLED(SPI_FLASH_MTD))
spi_flash_mtd_unregister();
spi_flash_mtd_unregister(flash);
spi_free_slave(flash->spi);
free(flash);
@ -150,8 +150,10 @@ int spi_flash_std_probe(struct udevice *dev)
static int spi_flash_std_remove(struct udevice *dev)
{
struct spi_flash *flash = dev_get_uclass_priv(dev);
if (CONFIG_IS_ENABLED(SPI_FLASH_MTD))
spi_flash_mtd_unregister();
spi_flash_mtd_unregister(flash);
return 0;
}

1
drivers/mtd/spi/spi-nor-core.c
View File

@ -2535,6 +2535,7 @@ int spi_nor_scan(struct spi_nor *nor)
if (!mtd->name)
mtd->name = info->name;
mtd->dev = nor->dev;
mtd->priv = nor;
mtd->type = MTD_NORFLASH;
mtd->writesize = 1;

1
drivers/mtd/spi/spi-nor-ids.c
View File

@ -167,6 +167,7 @@ const struct flash_info spi_nor_ids[] = {
{ INFO("mx66l1g45g", 0xc2201b, 0, 64 * 1024, 2048, SECT_4K | SPI_NOR_DUAL_READ | SPI_NOR_QUAD_READ) },
{ INFO("mx25l1633e", 0xc22415, 0, 64 * 1024, 32, SPI_NOR_QUAD_READ | SPI_NOR_4B_OPCODES | SECT_4K) },
{ INFO("mx25r6435f", 0xc22817, 0, 64 * 1024, 128, SECT_4K) },
{ INFO("mx66uw2g345g", 0xc2943c, 0, 64 * 1024, 4096, SECT_4K | SPI_NOR_OCTAL_READ | SPI_NOR_4B_OPCODES) },
#endif
#ifdef CONFIG_SPI_FLASH_STMICRO /* STMICRO */

1
drivers/mtd/spi/spi-nor-tiny.c
View File

@ -751,6 +751,7 @@ int spi_nor_scan(struct spi_nor *nor)
return ret;
mtd->name = "spi-flash";
mtd->dev = nor->dev;
mtd->priv = nor;
mtd->type = MTD_NORFLASH;
mtd->writesize = 1;

27
include/dm/ofnode.h
View File

@ -458,6 +458,16 @@ ofnode ofnode_get_parent(ofnode node);
*/
const char *ofnode_get_name(ofnode node);
/**
* ofnode_get_path() - get the full path of a node
*
* @node: valid node to look up
* @buf: buffer to write the node path into
* @buflen: buffer size
* @return 0 if OK, -ve on error
*/
int ofnode_get_path(ofnode node, char *buf, int buflen);
/**
* ofnode_get_by_phandle() - get ofnode from phandle
*
@ -489,6 +499,23 @@ int ofnode_read_size(ofnode node, const char *propname);
phys_addr_t ofnode_get_addr_size_index(ofnode node, int index,
fdt_size_t *size);
/**
* ofnode_get_addr_size_index_notrans() - get an address/size from a node
* based on index, without address
* translation
*
* This reads the register address/size from a node based on index.
* The resulting address is not translated. Useful for example for on-disk
* addresses.
*
* @node: node to read from
* @index: Index of address to read (0 for first)
* @size: Pointer to size of the address
* @return address, or FDT_ADDR_T_NONE if not present or invalid
*/
phys_addr_t ofnode_get_addr_size_index_notrans(ofnode node, int index,
fdt_size_t *size);
/**
* ofnode_get_addr_index() - get an address from a node
*

10
include/linux/mtd/mtd.h
View File

@ -581,6 +581,16 @@ static inline int del_mtd_partitions(struct mtd_info *mtd)
}
#endif
#if defined(CONFIG_MTD_PARTITIONS) && CONFIG_IS_ENABLED(DM) && \
CONFIG_IS_ENABLED(OF_CONTROL)
int add_mtd_partitions_of(struct mtd_info *master);
#else
static inline int add_mtd_partitions_of(struct mtd_info *master)
{
return 0;
}
#endif
struct mtd_info *__mtd_next_device(int i);
#define mtd_for_each_device(mtd) \
for ((mtd) = __mtd_next_device(0); \

1
include/mtd.h
View File

@ -8,7 +8,6 @@
#include <linux/mtd/mtd.h>
int mtd_probe(struct udevice *dev);
int mtd_probe_devices(void);
void board_mtdparts_default(const char **mtdids, const char **mtdparts);

26
test/dm/ofnode.c
View File

@ -289,6 +289,32 @@ static int dm_test_ofnode_get_reg(struct unit_test_state *uts)
ut_asserteq(FDT_ADDR_T_NONE, addr);
ut_asserteq(FDT_SIZE_T_NONE, size);
node = ofnode_path("/translation-test@8000/noxlatebus@3,300/dev@42");
ut_assert(ofnode_valid(node));
addr = ofnode_get_addr_size_index_notrans(node, 0, &size);
ut_asserteq_64(0x42, addr);
return 0;
}
DM_TEST(dm_test_ofnode_get_reg, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);
static int dm_test_ofnode_get_path(struct unit_test_state *uts)
{
const char *path = "/translation-test@8000/noxlatebus@3,300/dev@42";
char buf[64];
ofnode node;
int res;
node = ofnode_path(path);
ut_assert(ofnode_valid(node));
res = ofnode_get_path(node, buf, 64);
ut_asserteq(0, res);
ut_asserteq_str(path, buf);
res = ofnode_get_path(node, buf, 32);
ut_asserteq(-ENOSPC, res);
return 0;
}
DM_TEST(dm_test_ofnode_get_path, UT_TESTF_SCAN_PDATA | UT_TESTF_SCAN_FDT);