[PATCH] tpm: svsm: constify tpm_chip_ops

David Windsor
2026-05-05T20:27:40Z

Constify the SVSM vTPM ops. It is statically initialized and never
written to, so let's store it in .rodata.

Every other tpm_class_ops instance in drivers/char/tpm/ is already
const.

Signed-off-by: David Windsor <dwindsor@gmail.com>
---
drivers/char/tpm/tpm_svsm.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tpm/tpm_svsm.c b/drivers/char/tpm/tpm_svsm.c
index f5ba0f64850b..b74d60f687d5 100644
--- a/drivers/char/tpm/tpm_svsm.c
+++ b/drivers/char/tpm/tpm_svsm.c
@@ -49,7 +49,7 @@ static int tpm_svsm_send(struct tpm_chip *chip, u8 *buf, size_t bufsiz,
return svsm_vtpm_cmd_response_parse(priv->buffer, buf, bufsiz);
}

-static struct tpm_class_ops tpm_chip_ops = {
+static const struct tpm_class_ops tpm_chip_ops = {
.flags = TPM_OPS_AUTO_STARTUP,
.send = tpm_svsm_send,
};

base-commit: 254f49634ee16a731174d2ae34bc50bd5f45e731
--
2.53.0