[PATCH] virt: coco: change tsm_register() to use a const struct
From: alistair23
Date: Thu Sep 10 2026 - 22:47:42 EST
From: Alistair Francis <alistair.francis@xxxxxxx>
The tsm_register() function takes a struct pci_tsm_ops *ops argument.
This eventually is stored in struct tsm_dev as a const, so we should
just change the tsm_register() register function argument to be a const.
Signed-off-by: Alistair Francis <alistair.francis@xxxxxxx>
---
drivers/crypto/ccp/sev-dev-tsm.c | 2 +-
drivers/virt/coco/tsm-core.c | 4 ++--
include/linux/tsm.h | 2 +-
3 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/crypto/ccp/sev-dev-tsm.c b/drivers/crypto/ccp/sev-dev-tsm.c
index 46f2539d2d5a..48df8c579c74 100644
--- a/drivers/crypto/ccp/sev-dev-tsm.c
+++ b/drivers/crypto/ccp/sev-dev-tsm.c
@@ -339,7 +339,7 @@ static void dsm_disconnect(struct pci_dev *pdev)
streams_teardown(dev_data->ide);
}
-static struct pci_tsm_ops sev_tsm_ops = {
+static const struct pci_tsm_ops sev_tsm_ops = {
.probe = dsm_probe,
.remove = dsm_remove,
.connect = dsm_connect,
diff --git a/drivers/virt/coco/tsm-core.c b/drivers/virt/coco/tsm-core.c
index e784993353d8..6b735ac2a814 100644
--- a/drivers/virt/coco/tsm-core.c
+++ b/drivers/virt/coco/tsm-core.c
@@ -57,7 +57,7 @@ static struct tsm_dev *alloc_tsm_dev(struct device *parent)
}
static struct tsm_dev *tsm_register_pci_or_reset(struct tsm_dev *tsm_dev,
- struct pci_tsm_ops *pci_ops)
+ const struct pci_tsm_ops *pci_ops)
{
int rc;
@@ -78,7 +78,7 @@ static struct tsm_dev *tsm_register_pci_or_reset(struct tsm_dev *tsm_dev,
return tsm_dev;
}
-struct tsm_dev *tsm_register(struct device *parent, struct pci_tsm_ops *pci_ops)
+struct tsm_dev *tsm_register(struct device *parent, const struct pci_tsm_ops *pci_ops)
{
struct tsm_dev *tsm_dev __free(put_tsm_dev) = alloc_tsm_dev(parent);
struct device *dev;
diff --git a/include/linux/tsm.h b/include/linux/tsm.h
index 381c53244c83..6ac12de8c4d3 100644
--- a/include/linux/tsm.h
+++ b/include/linux/tsm.h
@@ -120,7 +120,7 @@ DEFINE_FREE(put_tsm_dev, struct tsm_dev *,
int tsm_report_register(const struct tsm_report_ops *ops, void *priv);
int tsm_report_unregister(const struct tsm_report_ops *ops);
-struct tsm_dev *tsm_register(struct device *parent, struct pci_tsm_ops *ops);
+struct tsm_dev *tsm_register(struct device *parent, const struct pci_tsm_ops *ops);
void tsm_unregister(struct tsm_dev *tsm_dev);
struct tsm_dev *find_tsm_dev(int id);
#endif /* __TSM_H */
--
2.55.0