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authorJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2016-09-02 22:34:18 +0300
committerJarkko Sakkinen <jarkko.sakkinen@linux.intel.com>2016-09-15 16:04:21 +0300
commit35fec6f1eb27cd62998a98c3f1b0ecf0578f55e2 (patch)
tree46dd2357cb715a9da01487d588d2daab4828d86b /drivers/char
parent72fd50e14e46dc0edf360631bdece87c2f066a97 (diff)
tpm_crb: remove wmb()'s
wmb()'s are not needed as iowrite32() is used. Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/tpm/tpm_crb.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 1801f382377e..358c47577a2e 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");
}