From: Mario Limonciello <mario.limonciello@amd.com>
Date: Fri, 10 Mar 2023 17:20:49 +0000 (-0600)
Subject: thunderbolt: Use const qualifier for `ring_interrupt_index`
X-Git-Tag: v6.2.9~116
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=0b521f2cce11f2e0449e206ce4859b3b8b4b88f9;p=thirdparty%2Fkernel%2Fstable.git

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 <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>
---

diff --git a/drivers/thunderbolt/nhi.c b/drivers/thunderbolt/nhi.c
index 6a56293d88398..318d20bd5b695 100644
--- a/drivers/thunderbolt/nhi.c
+++ b/drivers/thunderbolt/nhi.c
@@ -46,7 +46,7 @@
 #define QUIRK_AUTO_CLEAR_INT	BIT(0)
 #define QUIRK_E2E		BIT(1)
 
-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)