--- drivers/firmware/dcdbas.c

+++ drivers/firmware/dcdbas.c

@@ -267,8 +267,10 @@ int dcdbas_smi_request(struct smi_cmd *s

}

/* 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),