[PATCH v2 2/3] tpm, tpm_crb: remove wmb()'s
From: Jarkko Sakkinen
Date: Sat Jun 18 2016 - 11:11:05 EST
wmb()'s are not needed as iowrite32() is used.
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>
---
drivers/char/tpm/tpm_crb.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 8819ef7..0c8ed7f 100644
--- 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");
}
--
2.7.4