ACPI print OSI(Linux) warning only once

This message gets repeated on some machines:
https://bugzilla.kernel.org/show_bug.cgi?id=29292

Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 52ca964..3765980 100644 (file)
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -155,7 +155,7 @@ static u32 acpi_osi_handler(acpi_string interface, u32 supported)
 {
        if (!strcmp("Linux", interface)) {
 
-               printk(KERN_NOTICE FW_BUG PREFIX
+               printk_once(KERN_NOTICE FW_BUG PREFIX
                        "BIOS _OSI(Linux) query %s%s\n",
                        osi_linux.enable ? "honored" : "ignored",
                        osi_linux.cmdline ? " via cmdline" :