diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/of/base.c | 16 | ||||
| -rw-r--r-- | drivers/of/dynamic.c | 3 | ||||
| -rw-r--r-- | drivers/of/fdt.c | 14 |
3 files changed, 26 insertions, 7 deletions
diff --git a/drivers/of/base.c b/drivers/of/base.c index d8574adf0d62..293ed4b687ba 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -138,6 +138,9 @@ int __of_add_property_sysfs(struct device_node *np, struct property *pp) /* Important: Don't leak passwords */ bool secure = strncmp(pp->name, "security-", 9) == 0; + if (!IS_ENABLED(CONFIG_SYSFS)) + return 0; + if (!of_kset || !of_node_is_attached(np)) return 0; @@ -158,6 +161,9 @@ int __of_attach_node_sysfs(struct device_node *np) struct property *pp; int rc; + if (!IS_ENABLED(CONFIG_SYSFS)) + return 0; + if (!of_kset) return 0; @@ -1713,6 +1719,9 @@ int __of_remove_property(struct device_node *np, struct property *prop) void __of_remove_property_sysfs(struct device_node *np, struct property *prop) { + if (!IS_ENABLED(CONFIG_SYSFS)) + return; + /* at early boot, bail here and defer setup to of_init() */ if (of_kset && of_node_is_attached(np)) sysfs_remove_bin_file(&np->kobj, &prop->attr); @@ -1777,6 +1786,9 @@ int __of_update_property(struct device_node *np, struct property *newprop, void __of_update_property_sysfs(struct device_node *np, struct property *newprop, struct property *oldprop) { + if (!IS_ENABLED(CONFIG_SYSFS)) + return; + /* At early boot, bail out and defer setup to of_init() */ if (!of_kset) return; @@ -1847,6 +1859,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)) { struct property *pp; + of_aliases = of_find_node_by_path("/aliases"); of_chosen = of_find_node_by_path("/chosen"); if (of_chosen == NULL) of_chosen = of_find_node_by_path("/chosen@0"); @@ -1862,7 +1875,6 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align)) of_stdout = of_find_node_by_path(name); } - of_aliases = of_find_node_by_path("/aliases"); if (!of_aliases) return; @@ -1986,7 +1998,7 @@ bool of_console_check(struct device_node *dn, char *name, int index) { if (!dn || dn != of_stdout || console_set_on_cmdline) return false; - return add_preferred_console(name, index, NULL); + return !add_preferred_console(name, index, NULL); } EXPORT_SYMBOL_GPL(of_console_check); diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c index 54fecc49a1fe..f297891d8529 100644 --- a/drivers/of/dynamic.c +++ b/drivers/of/dynamic.c @@ -45,6 +45,9 @@ void __of_detach_node_sysfs(struct device_node *np) { struct property *pp; + if (!IS_ENABLED(CONFIG_SYSFS)) + return; + BUG_ON(!of_node_is_initialized(np)); if (!of_kset) return; diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index 79cb8313c7d8..d1ffca8b34ea 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -928,7 +928,11 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname, void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size) { const u64 phys_offset = __pa(PAGE_OFFSET); - base &= PAGE_MASK; + + if (!PAGE_ALIGNED(base)) { + size -= PAGE_SIZE - (base & ~PAGE_MASK); + base = PAGE_ALIGN(base); + } size &= PAGE_MASK; if (base > MAX_PHYS_ADDR) { @@ -937,10 +941,10 @@ void __init __weak early_init_dt_add_memory_arch(u64 base, u64 size) return; } - if (base + size > MAX_PHYS_ADDR) { - pr_warning("Ignoring memory range 0x%lx - 0x%llx\n", - ULONG_MAX, base + size); - size = MAX_PHYS_ADDR - base; + if (base + size - 1 > MAX_PHYS_ADDR) { + pr_warning("Ignoring memory range 0x%llx - 0x%llx\n", + ((u64)MAX_PHYS_ADDR) + 1, base + size); + size = MAX_PHYS_ADDR - base + 1; } if (base + size < phys_offset) { |