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-rw-r--r--drivers/of/address.c21
-rw-r--r--drivers/of/device.c6
-rw-r--r--drivers/of/fdt.c6
-rw-r--r--drivers/of/of_reserved_mem.c3
-rw-r--r--drivers/of/platform.c12
-rw-r--r--drivers/of/property.c6
6 files changed, 35 insertions, 19 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c
index c34ac33b7338..67763e5b8c0e 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -965,8 +965,19 @@ int of_dma_get_range(struct device_node *np, const struct bus_dma_region **map)
}
of_dma_range_parser_init(&parser, node);
- for_each_of_range(&parser, &range)
+ for_each_of_range(&parser, &range) {
+ if (range.cpu_addr == OF_BAD_ADDR) {
+ pr_err("translation of DMA address(%llx) to CPU address failed node(%pOF)\n",
+ range.bus_addr, node);
+ continue;
+ }
num_ranges++;
+ }
+
+ if (!num_ranges) {
+ ret = -EINVAL;
+ goto out;
+ }
r = kcalloc(num_ranges + 1, sizeof(*r), GFP_KERNEL);
if (!r) {
@@ -975,18 +986,16 @@ int of_dma_get_range(struct device_node *np, const struct bus_dma_region **map)
}
/*
- * Record all info in the generic DMA ranges array for struct device.
+ * Record all info in the generic DMA ranges array for struct device,
+ * returning an error if we don't find any parsable ranges.
*/
*map = r;
of_dma_range_parser_init(&parser, node);
for_each_of_range(&parser, &range) {
pr_debug("dma_addr(%llx) cpu_addr(%llx) size(%llx)\n",
range.bus_addr, range.cpu_addr, range.size);
- if (range.cpu_addr == OF_BAD_ADDR) {
- pr_err("translation of DMA address(%llx) to CPU address failed node(%pOF)\n",
- range.bus_addr, node);
+ if (range.cpu_addr == OF_BAD_ADDR)
continue;
- }
r->cpu_start = range.cpu_addr;
r->dma_start = range.bus_addr;
r->size = range.size;
diff --git a/drivers/of/device.c b/drivers/of/device.c
index dda51b7ce597..955bfb3d1a83 100644
--- a/drivers/of/device.c
+++ b/drivers/of/device.c
@@ -256,7 +256,7 @@ static ssize_t of_device_get_modalias(const struct device *dev, char *str, ssize
ssize_t csize;
ssize_t tsize;
- if ((!dev) || (!dev->of_node))
+ if ((!dev) || (!dev->of_node) || dev->of_node_reused)
return -ENODEV;
/* Name & Type */
@@ -376,7 +376,7 @@ int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *
{
int sl;
- if ((!dev) || (!dev->of_node))
+ if ((!dev) || (!dev->of_node) || dev->of_node_reused)
return -ENODEV;
/* Devicetree modalias is tricky, we add it in 2 steps */
@@ -385,6 +385,8 @@ int of_device_uevent_modalias(const struct device *dev, struct kobj_uevent_env *
sl = of_device_get_modalias(dev, &env->buf[env->buflen-1],
sizeof(env->buf) - env->buflen);
+ if (sl < 0)
+ return sl;
if (sl >= (sizeof(env->buf) - env->buflen))
return -ENOMEM;
env->buflen += sl;
diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index f08b25195ae7..d1a68b6d03b3 100644
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -26,7 +26,6 @@
#include <linux/serial_core.h>
#include <linux/sysfs.h>
#include <linux/random.h>
-#include <linux/kmemleak.h>
#include <asm/setup.h> /* for COMMAND_LINE_SIZE */
#include <asm/page.h>
@@ -525,12 +524,9 @@ static int __init __reserved_mem_reserve_reg(unsigned long node,
size = dt_mem_next_cell(dt_root_size_cells, &prop);
if (size &&
- early_init_dt_reserve_memory(base, size, nomap) == 0) {
+ early_init_dt_reserve_memory(base, size, nomap) == 0)
pr_debug("Reserved memory: reserved region for node '%s': base %pa, size %lu MiB\n",
uname, &base, (unsigned long)(size / SZ_1M));
- if (!nomap)
- kmemleak_alloc_phys(base, size, 0);
- }
else
pr_err("Reserved memory: failed to reserve memory for node '%s': base %pa, size %lu MiB\n",
uname, &base, (unsigned long)(size / SZ_1M));
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 65f3b02a0e4e..f90975e00446 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -48,9 +48,10 @@ static int __init early_init_dt_alloc_reserved_memory_arch(phys_addr_t size,
err = memblock_mark_nomap(base, size);
if (err)
memblock_phys_free(base, size);
- kmemleak_ignore_phys(base);
}
+ kmemleak_ignore_phys(base);
+
return err;
}
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 81c8c227ab6b..b3878a98d27f 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -525,6 +525,7 @@ static int __init of_platform_default_populate_init(void)
if (IS_ENABLED(CONFIG_PPC)) {
struct device_node *boot_display = NULL;
struct platform_device *dev;
+ int display_number = 0;
int ret;
/* Check if we have a MacOS display without a node spec */
@@ -555,16 +556,23 @@ static int __init of_platform_default_populate_init(void)
if (!of_get_property(node, "linux,opened", NULL) ||
!of_get_property(node, "linux,boot-display", NULL))
continue;
- dev = of_platform_device_create(node, "of-display", NULL);
+ dev = of_platform_device_create(node, "of-display.0", NULL);
+ of_node_put(node);
if (WARN_ON(!dev))
return -ENOMEM;
boot_display = node;
+ display_number++;
break;
}
for_each_node_by_type(node, "display") {
+ char buf[14];
+ const char *of_display_format = "of-display.%d";
+
if (!of_get_property(node, "linux,opened", NULL) || node == boot_display)
continue;
- of_platform_device_create(node, "of-display", NULL);
+ ret = snprintf(buf, sizeof(buf), of_display_format, display_number++);
+ if (ret < sizeof(buf))
+ of_platform_device_create(node, buf, NULL);
}
} else {
diff --git a/drivers/of/property.c b/drivers/of/property.c
index c651aad6f34b..fb210e921ca9 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1144,8 +1144,8 @@ static struct device_node *parse_prop_cells(struct device_node *np,
if (strcmp(prop_name, list_name))
return NULL;
- if (of_parse_phandle_with_args(np, list_name, cells_name, index,
- &sup_args))
+ if (__of_parse_phandle_with_args(np, list_name, cells_name, 0, index,
+ &sup_args))
return NULL;
return sup_args.np;
@@ -1249,7 +1249,7 @@ DEFINE_SIMPLE_PROP(dmas, "dmas", "#dma-cells")
DEFINE_SIMPLE_PROP(power_domains, "power-domains", "#power-domain-cells")
DEFINE_SIMPLE_PROP(hwlocks, "hwlocks", "#hwlock-cells")
DEFINE_SIMPLE_PROP(extcon, "extcon", NULL)
-DEFINE_SIMPLE_PROP(nvmem_cells, "nvmem-cells", NULL)
+DEFINE_SIMPLE_PROP(nvmem_cells, "nvmem-cells", "#nvmem-cell-cells")
DEFINE_SIMPLE_PROP(phys, "phys", "#phy-cells")
DEFINE_SIMPLE_PROP(wakeup_parent, "wakeup-parent", NULL)
DEFINE_SIMPLE_PROP(pinctrl0, "pinctrl-0", NULL)
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-22 21:55:14 +0100