tpm_crb: remove wmb()'s

wmb()'s are not needed as iowrite32() is used.

Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 1801f38..358c475 100644 (file)
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -175,9 +175,6 @@ static void crb_cancel(struct tpm_chip *chip)
 
        iowrite32(cpu_to_le32(CRB_CANCEL_INVOKE), &priv->cca->cancel);
 
-       /* Make sure that cmd is populated before issuing cancel. */
-       wmb();
-
        if ((priv->flags & CRB_FL_ACPI_START) && crb_do_acpi_start(chip))
                dev_err(&chip->dev, "ACPI Start failed\n");
 }