From: Sebastian Andrzej Siewior Date: Mon, 11 Feb 2019 11:33:11 +0100 Subject: [PATCH] tpm: remove tpm_dev_wq_lock Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.4/older/patches-5.4.3-rt1.tar.xz Added in commit 9e1b74a63f776 ("tpm: add support for nonblocking operation") but never actually used it. Cc: Philip Tricca Cc: Tadeusz Struk Cc: Jarkko Sakkinen Signed-off-by: Sebastian Andrzej Siewior --- drivers/char/tpm/tpm-dev-common.c | 1 - 1 file changed, 1 deletion(-) --- a/drivers/char/tpm/tpm-dev-common.c +++ b/drivers/char/tpm/tpm-dev-common.c @@ -20,7 +20,6 @@ #include "tpm-dev.h" static struct workqueue_struct *tpm_dev_wq; -static DEFINE_MUTEX(tpm_dev_wq_lock); static ssize_t tpm_dev_transmit(struct tpm_chip *chip, struct tpm_space *space, u8 *buf, size_t bufsiz)