[PATCH v2 3/4] dmaengine: ioatdma: make ioat_ktype const
From: Thomas Weißschuh
Date: Wed Mar 04 2026 - 16:46:16 EST
ioat_ktype is never modified, so make it const.
Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
Acked-by: Dave Jiang <dave.jiang@xxxxxxxxx>
---
drivers/dma/ioat/dma.h | 4 ++--
drivers/dma/ioat/sysfs.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/ioat/dma.h b/drivers/dma/ioat/dma.h
index e187f3a7e968..e8a880f338c6 100644
--- a/drivers/dma/ioat/dma.h
+++ b/drivers/dma/ioat/dma.h
@@ -190,7 +190,7 @@ struct ioat_ring_ent {
};
extern int ioat_pending_level;
-extern struct kobj_type ioat_ktype;
+extern const struct kobj_type ioat_ktype;
extern struct kmem_cache *ioat_cache;
extern struct kmem_cache *ioat_sed_cache;
@@ -393,7 +393,7 @@ void ioat_issue_pending(struct dma_chan *chan);
/* IOAT Init functions */
bool is_bwd_ioat(struct pci_dev *pdev);
struct dca_provider *ioat_dca_init(struct pci_dev *pdev, void __iomem *iobase);
-void ioat_kobject_add(struct ioatdma_device *ioat_dma, struct kobj_type *type);
+void ioat_kobject_add(struct ioatdma_device *ioat_dma, const struct kobj_type *type);
void ioat_kobject_del(struct ioatdma_device *ioat_dma);
int ioat_dma_setup_interrupts(struct ioatdma_device *ioat_dma);
void ioat_stop(struct ioatdma_chan *ioat_chan);
diff --git a/drivers/dma/ioat/sysfs.c b/drivers/dma/ioat/sysfs.c
index 709d672bae51..da616365fef5 100644
--- a/drivers/dma/ioat/sysfs.c
+++ b/drivers/dma/ioat/sysfs.c
@@ -78,7 +78,7 @@ static const struct sysfs_ops ioat_sysfs_ops = {
.store = ioat_attr_store,
};
-void ioat_kobject_add(struct ioatdma_device *ioat_dma, struct kobj_type *type)
+void ioat_kobject_add(struct ioatdma_device *ioat_dma, const struct kobj_type *type)
{
struct dma_device *dma = &ioat_dma->dma_dev;
struct dma_chan *c;
@@ -166,7 +166,7 @@ static struct attribute *ioat_attrs[] = {
};
ATTRIBUTE_GROUPS(ioat);
-struct kobj_type ioat_ktype = {
+const struct kobj_type ioat_ktype = {
.sysfs_ops = &ioat_sysfs_ops,
.default_groups = ioat_groups,
};
--
2.53.0