From: Mario Limonciello <mario.limonciello@xxxxxxx>
commit 1716efdb07938bd6510e1127d02012799112c433 upstream.
`ring_interrupt_index` doesn't change the data for `ring` so mark it as
const. This is needed by the following patch that disables interrupt
auto clear for rings.
Cc: Sanju Mehta <Sanju.Mehta@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxx>
Signed-off-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/thunderbolt/nhi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -36,7 +36,7 @@
#define NHI_MAILBOX_TIMEOUT 500 /* ms */
-static int ring_interrupt_index(struct tb_ring *ring)
+static int ring_interrupt_index(const struct tb_ring *ring)
{
int bit = ring->hop;
if (!ring->is_tx)
