powerpc/hvsi: Fix endianness issues in the HVSI driver

[firefly-linux-kernel-4.4.55.git] / drivers / acpi / osl.c

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index a5dc9034efeeda6f06044521600518f70bd322d3..3b8963f21b36702c2ed84970908672a4ab21c9f9 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -175,10 +175,14 @@ static void __init acpi_request_region (struct acpi_generic_address *gas,
        if (!addr || !length)
                return;
 
-       acpi_reserve_region(addr, length, gas->space_id, 0, desc);
+       /* Resources are never freed */
+       if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_IO)
+               request_region(addr, length, desc);
+       else if (gas->space_id == ACPI_ADR_SPACE_SYSTEM_MEMORY)
+               request_mem_region(addr, length, desc);
 }
 
-static void __init acpi_reserve_resources(void)
+static int __init acpi_reserve_resources(void)
 {
        acpi_request_region(&acpi_gbl_FADT.xpm1a_event_block, acpi_gbl_FADT.pm1_event_length,
                "ACPI PM1a_EVT_BLK");
@@ -207,7 +211,10 @@ static void __init acpi_reserve_resources(void)
        if (!(acpi_gbl_FADT.gpe1_block_length & 0x1))
                acpi_request_region(&acpi_gbl_FADT.xgpe1_block,
                               acpi_gbl_FADT.gpe1_block_length, "ACPI GPE1_BLK");
+
+       return 0;
 }
+fs_initcall_sync(acpi_reserve_resources);
 
 void acpi_os_printf(const char *fmt, ...)
 {
@@ -530,6 +537,19 @@ acpi_os_get_physical_address(void *virt, acpi_physical_address * phys)
 }
 #endif
 
+#ifdef CONFIG_ACPI_REV_OVERRIDE_POSSIBLE
+static bool acpi_rev_override;
+
+int __init acpi_rev_override_setup(char *str)
+{
+       acpi_rev_override = true;
+       return 1;
+}
+__setup("acpi_rev_override", acpi_rev_override_setup);
+#else
+#define acpi_rev_override      false
+#endif
+
 #define ACPI_MAX_OVERRIDE_LEN 100
 
 static char acpi_os_name[ACPI_MAX_OVERRIDE_LEN];
@@ -548,6 +568,11 @@ acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
                *new_val = acpi_os_name;
        }
 
+       if (!memcmp(init_val->name, "_REV", 4) && acpi_rev_override) {
+               printk(KERN_INFO PREFIX "Overriding _REV return value to 5\n");
+               *new_val = (char *)5;
+       }
+
        return AE_OK;
 }
 
@@ -1844,7 +1869,6 @@ acpi_status __init acpi_os_initialize(void)
 
 acpi_status __init acpi_os_initialize1(void)
 {
-       acpi_reserve_resources();
        kacpid_wq = alloc_workqueue("kacpid", 0, 1);
        kacpi_notify_wq = alloc_workqueue("kacpi_notify", 0, 1);
        kacpi_hotplug_wq = alloc_ordered_workqueue("kacpi_hotplug", 0);