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-rw-r--r--drivers/of/base.c38
-rw-r--r--drivers/of/fdt.c144
-rw-r--r--drivers/of/property.c17
-rw-r--r--drivers/of/unittest.c175
4 files changed, 214 insertions, 160 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c
index 61de453b885c..8a24d37153b4 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -651,6 +651,28 @@ bool of_device_is_available(const struct device_node *device)
EXPORT_SYMBOL(of_device_is_available);
/**
+ * __of_device_is_fail - check if a device has status "fail" or "fail-..."
+ *
+ * @device: Node to check status for, with locks already held
+ *
+ * Return: True if the status property is set to "fail" or "fail-..." (for any
+ * error code suffix), false otherwise
+ */
+static bool __of_device_is_fail(const struct device_node *device)
+{
+ const char *status;
+
+ if (!device)
+ return false;
+
+ status = __of_get_property(device, "status", NULL);
+ if (status == NULL)
+ return false;
+
+ return !strcmp(status, "fail") || !strncmp(status, "fail-", 5);
+}
+
+/**
* of_device_is_big_endian - check if a device has BE registers
*
* @device: Node to check for endianness
@@ -796,6 +818,9 @@ EXPORT_SYMBOL(of_get_next_available_child);
* of_get_next_cpu_node - Iterate on cpu nodes
* @prev: previous child of the /cpus node, or NULL to get first
*
+ * Unusable CPUs (those with the status property set to "fail" or "fail-...")
+ * will be skipped.
+ *
* Return: A cpu node pointer with refcount incremented, use of_node_put()
* on it when done. Returns NULL when prev is the last child. Decrements
* the refcount of prev.
@@ -817,6 +842,8 @@ struct device_node *of_get_next_cpu_node(struct device_node *prev)
of_node_put(node);
}
for (; next; next = next->sibling) {
+ if (__of_device_is_fail(next))
+ continue;
if (!(of_node_name_eq(next, "cpu") ||
__of_node_is_type(next, "cpu")))
continue;
@@ -1349,9 +1376,14 @@ int of_phandle_iterator_next(struct of_phandle_iterator *it)
* property data length
*/
if (it->cur + count > it->list_end) {
- pr_err("%pOF: %s = %d found %d\n",
- it->parent, it->cells_name,
- count, it->cell_count);
+ if (it->cells_name)
+ pr_err("%pOF: %s = %d found %td\n",
+ it->parent, it->cells_name,
+ count, it->list_end - it->cur);
+ else
+ pr_err("%pOF: phandle %s needs %d, found %td\n",
+ it->parent, of_node_full_name(it->node),
+ count, it->list_end - it->cur);
goto err;
}
}
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index bdca35284ceb..ca2cfb3012a4 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -482,9 +482,11 @@ static int __init early_init_dt_reserve_memory_arch(phys_addr_t base,
if (nomap) {
/*
* If the memory is already reserved (by another region), we
- * should not allow it to be marked nomap.
+ * should not allow it to be marked nomap, but don't worry
+ * if the region isn't memory as it won't be mapped.
*/
- if (memblock_is_region_reserved(base, size))
+ if (memblock_overlaps_region(&memblock.memory, base, size) &&
+ memblock_is_region_reserved(base, size))
return -EBUSY;
return memblock_mark_nomap(base, size);
@@ -965,18 +967,22 @@ static void __init early_init_dt_check_for_elfcorehdr(unsigned long node)
elfcorehdr_addr, elfcorehdr_size);
}
-static phys_addr_t cap_mem_addr;
-static phys_addr_t cap_mem_size;
+static unsigned long chosen_node_offset = -FDT_ERR_NOTFOUND;
/**
* early_init_dt_check_for_usable_mem_range - Decode usable memory range
* location from flat tree
- * @node: reference to node containing usable memory range location ('chosen')
*/
-static void __init early_init_dt_check_for_usable_mem_range(unsigned long node)
+void __init early_init_dt_check_for_usable_mem_range(void)
{
const __be32 *prop;
int len;
+ phys_addr_t cap_mem_addr;
+ phys_addr_t cap_mem_size;
+ unsigned long node = chosen_node_offset;
+
+ if ((long)node < 0)
+ return;
pr_debug("Looking for usable-memory-range property... ");
@@ -989,6 +995,8 @@ static void __init early_init_dt_check_for_usable_mem_range(unsigned long node)
pr_debug("cap_mem_start=%pa cap_mem_size=%pa\n", &cap_mem_addr,
&cap_mem_size);
+
+ memblock_cap_memory_range(cap_mem_addr, cap_mem_size);
}
#ifdef CONFIG_SERIAL_EARLYCON
@@ -1042,13 +1050,14 @@ int __init early_init_dt_scan_chosen_stdout(void)
/*
* early_init_dt_scan_root - fetch the top level address and size cells
*/
-int __init early_init_dt_scan_root(unsigned long node, const char *uname,
- int depth, void *data)
+int __init early_init_dt_scan_root(void)
{
const __be32 *prop;
+ const void *fdt = initial_boot_params;
+ int node = fdt_path_offset(fdt, "/");
- if (depth != 0)
- return 0;
+ if (node < 0)
+ return -ENODEV;
dt_root_size_cells = OF_ROOT_NODE_SIZE_CELLS_DEFAULT;
dt_root_addr_cells = OF_ROOT_NODE_ADDR_CELLS_DEFAULT;
@@ -1063,8 +1072,7 @@ int __init early_init_dt_scan_root(unsigned long node, const char *uname,
dt_root_addr_cells = be32_to_cpup(prop);
pr_debug("dt_root_addr_cells = %x\n", dt_root_addr_cells);
- /* break now */
- return 1;
+ return 0;
}
u64 __init dt_mem_next_cell(int s, const __be32 **cellp)
@@ -1078,73 +1086,78 @@ u64 __init dt_mem_next_cell(int s, const __be32 **cellp)
/*
* early_init_dt_scan_memory - Look for and parse memory nodes
*/
-int __init early_init_dt_scan_memory(unsigned long node, const char *uname,
- int depth, void *data)
+int __init early_init_dt_scan_memory(void)
{
- const char *type = of_get_flat_dt_prop(node, "device_type", NULL);
- const __be32 *reg, *endp;
- int l;
- bool hotpluggable;
+ int node;
+ const void *fdt = initial_boot_params;
- /* We are scanning "memory" nodes only */
- if (type == NULL || strcmp(type, "memory") != 0)
- return 0;
+ fdt_for_each_subnode(node, fdt, 0) {
+ const char *type = of_get_flat_dt_prop(node, "device_type", NULL);
+ const __be32 *reg, *endp;
+ int l;
+ bool hotpluggable;
- reg = of_get_flat_dt_prop(node, "linux,usable-memory", &l);
- if (reg == NULL)
- reg = of_get_flat_dt_prop(node, "reg", &l);
- if (reg == NULL)
- return 0;
+ /* We are scanning "memory" nodes only */
+ if (type == NULL || strcmp(type, "memory") != 0)
+ continue;
- endp = reg + (l / sizeof(__be32));
- hotpluggable = of_get_flat_dt_prop(node, "hotpluggable", NULL);
+ reg = of_get_flat_dt_prop(node, "linux,usable-memory", &l);
+ if (reg == NULL)
+ reg = of_get_flat_dt_prop(node, "reg", &l);
+ if (reg == NULL)
+ continue;
- pr_debug("memory scan node %s, reg size %d,\n", uname, l);
+ endp = reg + (l / sizeof(__be32));
+ hotpluggable = of_get_flat_dt_prop(node, "hotpluggable", NULL);
- while ((endp - reg) >= (dt_root_addr_cells + dt_root_size_cells)) {
- u64 base, size;
+ pr_debug("memory scan node %s, reg size %d,\n",
+ fdt_get_name(fdt, node, NULL), l);
- base = dt_mem_next_cell(dt_root_addr_cells, &reg);
- size = dt_mem_next_cell(dt_root_size_cells, &reg);
+ while ((endp - reg) >= (dt_root_addr_cells + dt_root_size_cells)) {
+ u64 base, size;
- if (size == 0)
- continue;
- pr_debug(" - %llx, %llx\n", base, size);
+ base = dt_mem_next_cell(dt_root_addr_cells, &reg);
+ size = dt_mem_next_cell(dt_root_size_cells, &reg);
- early_init_dt_add_memory_arch(base, size);
+ if (size == 0)
+ continue;
+ pr_debug(" - %llx, %llx\n", base, size);
- if (!hotpluggable)
- continue;
+ early_init_dt_add_memory_arch(base, size);
- if (memblock_mark_hotplug(base, size))
- pr_warn("failed to mark hotplug range 0x%llx - 0x%llx\n",
- base, base + size);
- }
+ if (!hotpluggable)
+ continue;
+ if (memblock_mark_hotplug(base, size))
+ pr_warn("failed to mark hotplug range 0x%llx - 0x%llx\n",
+ base, base + size);
+ }
+ }
return 0;
}
-int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
- int depth, void *data)
+int __init early_init_dt_scan_chosen(char *cmdline)
{
- int l;
+ int l, node;
const char *p;
const void *rng_seed;
+ const void *fdt = initial_boot_params;
- pr_debug("search \"chosen\", depth: %d, uname: %s\n", depth, uname);
+ node = fdt_path_offset(fdt, "/chosen");
+ if (node < 0)
+ node = fdt_path_offset(fdt, "/chosen@0");
+ if (node < 0)
+ return -ENOENT;
- if (depth != 1 || !data ||
- (strcmp(uname, "chosen") != 0 && strcmp(uname, "chosen@0") != 0))
- return 0;
+ chosen_node_offset = node;
early_init_dt_check_for_initrd(node);
early_init_dt_check_for_elfcorehdr(node);
- early_init_dt_check_for_usable_mem_range(node);
/* Retrieve command line */
p = of_get_flat_dt_prop(node, "bootargs", &l);
if (p != NULL && l > 0)
- strlcpy(data, p, min(l, COMMAND_LINE_SIZE));
+ strlcpy(cmdline, p, min(l, COMMAND_LINE_SIZE));
/*
* CONFIG_CMDLINE is meant to be a default in case nothing else
@@ -1153,18 +1166,18 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
*/
#ifdef CONFIG_CMDLINE
#if defined(CONFIG_CMDLINE_EXTEND)
- strlcat(data, " ", COMMAND_LINE_SIZE);
- strlcat(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+ strlcat(cmdline, " ", COMMAND_LINE_SIZE);
+ strlcat(cmdline, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
#elif defined(CONFIG_CMDLINE_FORCE)
- strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+ strlcpy(cmdline, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
#else
/* No arguments from boot loader, use kernel's cmdl*/
- if (!((char *)data)[0])
- strlcpy(data, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+ if (!((char *)cmdline)[0])
+ strlcpy(cmdline, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
#endif
#endif /* CONFIG_CMDLINE */
- pr_debug("Command line is: %s\n", (char *)data);
+ pr_debug("Command line is: %s\n", (char *)cmdline);
rng_seed = of_get_flat_dt_prop(node, "rng-seed", &l);
if (rng_seed && l > 0) {
@@ -1178,8 +1191,7 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
fdt_totalsize(initial_boot_params));
}
- /* break now */
- return 1;
+ return 0;
}
#ifndef MIN_MEMBLOCK_ADDR
@@ -1261,21 +1273,21 @@ bool __init early_init_dt_verify(void *params)
void __init early_init_dt_scan_nodes(void)
{
- int rc = 0;
+ int rc;
/* Initialize {size,address}-cells info */
- of_scan_flat_dt(early_init_dt_scan_root, NULL);
+ early_init_dt_scan_root();
/* Retrieve various information from the /chosen node */
- rc = of_scan_flat_dt(early_init_dt_scan_chosen, boot_command_line);
- if (!rc)
+ rc = early_init_dt_scan_chosen(boot_command_line);
+ if (rc)
pr_warn("No chosen node found, continuing without\n");
/* Setup memory, calling early_init_dt_add_memory_arch */
- of_scan_flat_dt(early_init_dt_scan_memory, NULL);
+ early_init_dt_scan_memory();
/* Handle linux,usable-memory-range property */
- memblock_cap_memory_range(cap_mem_addr, cap_mem_size);
+ early_init_dt_check_for_usable_mem_range();
}
bool __init early_init_dt_scan(void *params)
diff --git a/drivers/of/property.c b/drivers/of/property.c
index a3483484a5a2..8e90071de6ed 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1075,6 +1075,17 @@ static struct device_node *of_get_compat_node(struct device_node *np)
return np;
}
+static struct device_node *of_get_compat_node_parent(struct device_node *np)
+{
+ struct device_node *parent, *node;
+
+ parent = of_get_parent(np);
+ node = of_get_compat_node(parent);
+ of_node_put(parent);
+
+ return node;
+}
+
/**
* of_link_to_phandle - Add fwnode link to supplier from supplier phandle
* @con_np: consumer device tree node
@@ -1249,7 +1260,9 @@ static struct device_node *parse_##fname(struct device_node *np, \
* @parse_prop.index: For properties holding a list of phandles, this is the
* index into the list
* @optional: Describes whether a supplier is mandatory or not
- * @node_not_dev: The consumer node containing the property is never a device.
+ * @node_not_dev: The consumer node containing the property is never converted
+ * to a struct device. Instead, parse ancestor nodes for the
+ * compatible property to find a node corresponding to a device.
*
* Returns:
* parse_prop() return values are
@@ -1424,7 +1437,7 @@ static int of_link_property(struct device_node *con_np, const char *prop_name)
struct device_node *con_dev_np;
con_dev_np = s->node_not_dev
- ? of_get_compat_node(con_np)
+ ? of_get_compat_node_parent(con_np)
: of_node_get(con_np);
matched = true;
i++;
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 481ba8682ebf..70992103c07d 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -911,11 +911,18 @@ static void __init of_unittest_dma_ranges_one(const char *path,
if (!rc) {
phys_addr_t paddr;
dma_addr_t dma_addr;
- struct device dev_bogus;
+ struct device *dev_bogus;
- dev_bogus.dma_range_map = map;
- paddr = dma_to_phys(&dev_bogus, expect_dma_addr);
- dma_addr = phys_to_dma(&dev_bogus, expect_paddr);
+ dev_bogus = kzalloc(sizeof(struct device), GFP_KERNEL);
+ if (!dev_bogus) {
+ unittest(0, "kzalloc() failed\n");
+ kfree(map);
+ return;
+ }
+
+ dev_bogus->dma_range_map = map;
+ paddr = dma_to_phys(dev_bogus, expect_dma_addr);
+ dma_addr = phys_to_dma(dev_bogus, expect_paddr);
unittest(paddr == expect_paddr,
"of_dma_get_range: wrong phys addr %pap (expecting %llx) on node %pOF\n",
@@ -925,6 +932,7 @@ static void __init of_unittest_dma_ranges_one(const char *path,
&dma_addr, expect_dma_addr, np);
kfree(map);
+ kfree(dev_bogus);
}
of_node_put(np);
#endif
@@ -934,8 +942,9 @@ static void __init of_unittest_parse_dma_ranges(void)
{
of_unittest_dma_ranges_one("/testcase-data/address-tests/device@70000000",
0x0, 0x20000000);
- of_unittest_dma_ranges_one("/testcase-data/address-tests/bus@80000000/device@1000",
- 0x100000000, 0x20000000);
+ if (IS_ENABLED(CONFIG_ARCH_DMA_ADDR_T_64BIT))
+ of_unittest_dma_ranges_one("/testcase-data/address-tests/bus@80000000/device@1000",
+ 0x100000000, 0x20000000);
of_unittest_dma_ranges_one("/testcase-data/address-tests/pci@90000000",
0x80000000, 0x20000000);
}
@@ -1492,7 +1501,7 @@ static int __init unittest_data_add(void)
}
#ifdef CONFIG_OF_OVERLAY
-static int __init overlay_data_apply(const char *overlay_name, int *overlay_id);
+static int __init overlay_data_apply(const char *overlay_name, int *ovcs_id);
static int unittest_probe(struct platform_device *pdev)
{
@@ -1657,7 +1666,7 @@ static void __init of_unittest_overlay_gpio(void)
* The overlays are applied by overlay_data_apply()
* instead of of_unittest_apply_overlay() so that they
* will not be tracked. Thus they will not be removed
- * by of_unittest_destroy_tracked_overlays().
+ * by of_unittest_remove_tracked_overlays().
*
* - apply overlay_gpio_01
* - apply overlay_gpio_02a
@@ -1905,86 +1914,70 @@ static const char *overlay_name_from_nr(int nr)
static const char *bus_path = "/testcase-data/overlay-node/test-bus";
-/* FIXME: it is NOT guaranteed that overlay ids are assigned in sequence */
-
-#define MAX_UNITTEST_OVERLAYS 256
-static unsigned long overlay_id_bits[BITS_TO_LONGS(MAX_UNITTEST_OVERLAYS)];
-static int overlay_first_id = -1;
+#define MAX_TRACK_OVCS_IDS 256
-static long of_unittest_overlay_tracked(int id)
-{
- if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
- return 0;
- return overlay_id_bits[BIT_WORD(id)] & BIT_MASK(id);
-}
+static int track_ovcs_id[MAX_TRACK_OVCS_IDS];
+static int track_ovcs_id_overlay_nr[MAX_TRACK_OVCS_IDS];
+static int track_ovcs_id_cnt;
-static void of_unittest_track_overlay(int id)
+static void of_unittest_track_overlay(int ovcs_id, int overlay_nr)
{
- if (overlay_first_id < 0)
- overlay_first_id = id;
- id -= overlay_first_id;
-
- if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
+ if (WARN_ON(track_ovcs_id_cnt >= MAX_TRACK_OVCS_IDS))
return;
- overlay_id_bits[BIT_WORD(id)] |= BIT_MASK(id);
+
+ track_ovcs_id[track_ovcs_id_cnt] = ovcs_id;
+ track_ovcs_id_overlay_nr[track_ovcs_id_cnt] = overlay_nr;
+ track_ovcs_id_cnt++;
}
-static void of_unittest_untrack_overlay(int id)
+static void of_unittest_untrack_overlay(int ovcs_id)
{
- if (overlay_first_id < 0)
+ if (WARN_ON(track_ovcs_id_cnt < 1))
return;
- id -= overlay_first_id;
- if (WARN_ON(id >= MAX_UNITTEST_OVERLAYS))
- return;
- overlay_id_bits[BIT_WORD(id)] &= ~BIT_MASK(id);
-}
-static void of_unittest_destroy_tracked_overlays(void)
-{
- int id, ret, defers, ovcs_id;
+ track_ovcs_id_cnt--;
- if (overlay_first_id < 0)
- return;
+ /* If out of synch then test is broken. Do not try to recover. */
+ WARN_ON(track_ovcs_id[track_ovcs_id_cnt] != ovcs_id);
+}
- /* try until no defers */
- do {
- defers = 0;
- /* remove in reverse order */
- for (id = MAX_UNITTEST_OVERLAYS - 1; id >= 0; id--) {
- if (!of_unittest_overlay_tracked(id))
- continue;
+static void of_unittest_remove_tracked_overlays(void)
+{
+ int ret, ovcs_id, overlay_nr, save_ovcs_id;
+ const char *overlay_name;
- ovcs_id = id + overlay_first_id;
- ret = of_overlay_remove(&ovcs_id);
- if (ret == -ENODEV) {
- pr_warn("%s: no overlay to destroy for #%d\n",
- __func__, id + overlay_first_id);
- continue;
- }
- if (ret != 0) {
- defers++;
- pr_warn("%s: overlay destroy failed for #%d\n",
- __func__, id + overlay_first_id);
- continue;
- }
+ while (track_ovcs_id_cnt > 0) {
- of_unittest_untrack_overlay(id);
+ ovcs_id = track_ovcs_id[track_ovcs_id_cnt - 1];
+ overlay_nr = track_ovcs_id_overlay_nr[track_ovcs_id_cnt - 1];
+ save_ovcs_id = ovcs_id;
+ ret = of_overlay_remove(&ovcs_id);
+ if (ret == -ENODEV) {
+ overlay_name = overlay_name_from_nr(overlay_nr);
+ pr_warn("%s: of_overlay_remove() for overlay \"%s\" failed, ret = %d\n",
+ __func__, overlay_name, ret);
}
- } while (defers > 0);
+ of_unittest_untrack_overlay(save_ovcs_id);
+ }
+
}
-static int __init of_unittest_apply_overlay(int overlay_nr, int *overlay_id)
+static int __init of_unittest_apply_overlay(int overlay_nr, int *ovcs_id)
{
+ /*
+ * The overlay will be tracked, thus it will be removed
+ * by of_unittest_remove_tracked_overlays().
+ */
+
const char *overlay_name;
overlay_name = overlay_name_from_nr(overlay_nr);
- if (!overlay_data_apply(overlay_name, overlay_id)) {
- unittest(0, "could not apply overlay \"%s\"\n",
- overlay_name);
+ if (!overlay_data_apply(overlay_name, ovcs_id)) {
+ unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
return -EFAULT;
}
- of_unittest_track_overlay(*overlay_id);
+ of_unittest_track_overlay(*ovcs_id, overlay_nr);
return 0;
}
@@ -2029,7 +2022,7 @@ static int __init of_unittest_apply_revert_overlay_check(int overlay_nr,
int unittest_nr, int before, int after,
enum overlay_type ovtype)
{
- int ret, ovcs_id, save_id;
+ int ret, ovcs_id, save_ovcs_id;
/* unittest device must be in before state */
if (of_unittest_device_exists(unittest_nr, ovtype) != before) {
@@ -2057,7 +2050,7 @@ static int __init of_unittest_apply_revert_overlay_check(int overlay_nr,
return -EINVAL;
}
- save_id = ovcs_id;
+ save_ovcs_id = ovcs_id;
ret = of_overlay_remove(&ovcs_id);
if (ret != 0) {
unittest(0, "%s failed to be destroyed @\"%s\"\n",
@@ -2065,7 +2058,7 @@ static int __init of_unittest_apply_revert_overlay_check(int overlay_nr,
unittest_path(unittest_nr, ovtype));
return ret;
}
- of_unittest_untrack_overlay(save_id);
+ of_unittest_untrack_overlay(save_ovcs_id);
/* unittest device must be again in before state */
if (of_unittest_device_exists(unittest_nr, PDEV_OVERLAY) != before) {
@@ -2192,7 +2185,7 @@ static void __init of_unittest_overlay_5(void)
/* test overlay application in sequence */
static void __init of_unittest_overlay_6(void)
{
- int i, ov_id[2], ovcs_id;
+ int i, save_ovcs_id[2], ovcs_id;
int overlay_nr = 6, unittest_nr = 6;
int before = 0, after = 1;
const char *overlay_name;
@@ -2225,8 +2218,8 @@ static void __init of_unittest_overlay_6(void)
unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
return;
}
- ov_id[0] = ovcs_id;
- of_unittest_track_overlay(ov_id[0]);
+ save_ovcs_id[0] = ovcs_id;
+ of_unittest_track_overlay(ovcs_id, overlay_nr + 0);
EXPECT_END(KERN_INFO,
"OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest6/status");
@@ -2242,8 +2235,8 @@ static void __init of_unittest_overlay_6(void)
unittest(0, "could not apply overlay \"%s\"\n", overlay_name);
return;
}
- ov_id[1] = ovcs_id;
- of_unittest_track_overlay(ov_id[1]);
+ save_ovcs_id[1] = ovcs_id;
+ of_unittest_track_overlay(ovcs_id, overlay_nr + 1);
EXPECT_END(KERN_INFO,
"OF: overlay: WARNING: memory leak will occur if overlay removed, property: /testcase-data/overlay-node/test-bus/test-unittest7/status");
@@ -2263,7 +2256,7 @@ static void __init of_unittest_overlay_6(void)
}
for (i = 1; i >= 0; i--) {
- ovcs_id = ov_id[i];
+ ovcs_id = save_ovcs_id[i];
if (of_overlay_remove(&ovcs_id)) {
unittest(0, "%s failed destroy @\"%s\"\n",
overlay_name_from_nr(overlay_nr + i),
@@ -2271,7 +2264,7 @@ static void __init of_unittest_overlay_6(void)
PDEV_OVERLAY));
return;
}
- of_unittest_untrack_overlay(ov_id[i]);
+ of_unittest_untrack_overlay(save_ovcs_id[i]);
}
for (i = 0; i < 2; i++) {
@@ -2294,7 +2287,7 @@ static void __init of_unittest_overlay_6(void)
/* test overlay application in sequence */
static void __init of_unittest_overlay_8(void)
{
- int i, ov_id[2], ovcs_id;
+ int i, save_ovcs_id[2], ovcs_id;
int overlay_nr = 8, unittest_nr = 8;
const char *overlay_name;
int ret;
@@ -2316,8 +2309,8 @@ static void __init of_unittest_overlay_8(void)
if (!ret)
return;
- ov_id[0] = ovcs_id;
- of_unittest_track_overlay(ov_id[0]);
+ save_ovcs_id[0] = ovcs_id;
+ of_unittest_track_overlay(ovcs_id, overlay_nr + 0);
overlay_name = overlay_name_from_nr(overlay_nr + 1);
@@ -2335,11 +2328,11 @@ static void __init of_unittest_overlay_8(void)
return;
}
- ov_id[1] = ovcs_id;
- of_unittest_track_overlay(ov_id[1]);
+ save_ovcs_id[1] = ovcs_id;
+ of_unittest_track_overlay(ovcs_id, overlay_nr + 1);
/* now try to remove first overlay (it should fail) */
- ovcs_id = ov_id[0];
+ ovcs_id = save_ovcs_id[0];
EXPECT_BEGIN(KERN_INFO,
"OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8");
@@ -2356,6 +2349,10 @@ static void __init of_unittest_overlay_8(void)
"OF: overlay: node_overlaps_later_cs: #6 overlaps with #7 @/testcase-data/overlay-node/test-bus/test-unittest8");
if (!ret) {
+ /*
+ * Should never get here. If we do, expect a lot of
+ * subsequent tracking and overlay removal related errors.
+ */
unittest(0, "%s was destroyed @\"%s\"\n",
overlay_name_from_nr(overlay_nr + 0),
unittest_path(unittest_nr,
@@ -2365,7 +2362,7 @@ static void __init of_unittest_overlay_8(void)
/* removing them in order should work */
for (i = 1; i >= 0; i--) {
- ovcs_id = ov_id[i];
+ ovcs_id = save_ovcs_id[i];
if (of_overlay_remove(&ovcs_id)) {
unittest(0, "%s not destroyed @\"%s\"\n",
overlay_name_from_nr(overlay_nr + i),
@@ -2373,7 +2370,7 @@ static void __init of_unittest_overlay_8(void)
PDEV_OVERLAY));
return;
}
- of_unittest_untrack_overlay(ov_id[i]);
+ of_unittest_untrack_overlay(save_ovcs_id[i]);
}
unittest(1, "overlay test %d passed\n", 8);
@@ -2805,7 +2802,7 @@ static void __init of_unittest_overlay(void)
of_unittest_overlay_gpio();
- of_unittest_destroy_tracked_overlays();
+ of_unittest_remove_tracked_overlays();
out:
of_node_put(bus_np);
@@ -2837,7 +2834,7 @@ struct overlay_info {
uint8_t *dtb_begin;
uint8_t *dtb_end;
int expected_result;
- int overlay_id;
+ int ovcs_id;
char *name;
};
@@ -2991,7 +2988,7 @@ void __init unittest_unflatten_overlay_base(void)
*
* Return 0 on unexpected error.
*/
-static int __init overlay_data_apply(const char *overlay_name, int *overlay_id)
+static int __init overlay_data_apply(const char *overlay_name, int *ovcs_id)
{
struct overlay_info *info;
int found = 0;
@@ -3013,9 +3010,9 @@ static int __init overlay_data_apply(const char *overlay_name, int *overlay_id)
if (!size)
pr_err("no overlay data for %s\n", overlay_name);
- ret = of_overlay_fdt_apply(info->dtb_begin, size, &info->overlay_id);
- if (overlay_id)
- *overlay_id = info->overlay_id;
+ ret = of_overlay_fdt_apply(info->dtb_begin, size, &info->ovcs_id);
+ if (ovcs_id)
+ *ovcs_id = info->ovcs_id;
if (ret < 0)
goto out;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-05 15:40:12 +0000