dcdbas: force SMI to happen when expected

[linux-2.6-block.git] / drivers / firmware / dcdbas.c

diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c
index 69ad529d92fbb83d56694402710eebe1941391e8..ea5ac2dc1233748a7722fec6df4e5d3aa0b44f49 100644 (file)
--- a/drivers/firmware/dcdbas.c
+++ b/drivers/firmware/dcdbas.c
@@ -268,8 +268,10 @@ int dcdbas_smi_request(struct smi_cmd *smi_cmd)
        }
 
        /* generate SMI */
+       /* inb to force posted write through and make SMI happen now */
        asm volatile (
-               "outb %b0,%w1"
+               "outb %b0,%w1\n"
+               "inb %w1"
                : /* no output args */
                : "a" (smi_cmd->command_code),
                  "d" (smi_cmd->command_address),