From: Mario Limonciello mario.limonciello@amd.com
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@amd.com Cc: stable@vger.kernel.org Signed-off-by: Mario Limonciello mario.limonciello@amd.com Signed-off-by: Mika Westerberg mika.westerberg@linux.intel.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/thunderbolt/nhi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/thunderbolt/nhi.c +++ b/drivers/thunderbolt/nhi.c @@ -30,7 +30,7 @@
#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)