thunderbolt: Use const qualifier for ring_interrupt_index

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 <[email protected]>
Cc: [email protected]
Signed-off-by: Mario Limonciello <[email protected]>
Signed-off-by: Mika Westerberg <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Mario Limonciello 2023-03-10 11:20:49 -06:00 • committed by Greg Kroah-Hartman
commit 32518cd0fc

View file

@ -40,7 +40,7 @@
#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)