thunderbolt: Use const qualifier for ring_interrupt_index

superm1 · westeri · commit 1716efdb0793 · 2023-03-20T09:38:07.000+02:00
`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 &lt;Sanju.Mehta@amd.com&gt;
Cc: stable@vger.kernel.org
Signed-off-by: Mario Limonciello &lt;mario.limonciello@amd.com&gt;
Signed-off-by: Mika Westerberg &lt;mika.westerberg@linux.intel.com&gt;
diff --git 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)

Original file line number	Diff line number	Diff line change
`@@ -46,7 +46,7 @@`
`46`	`46`	`#define QUIRK_AUTO_CLEAR_INT BIT(0)`
`47`	`47`	`#define QUIRK_E2E BIT(1)`
`48`	`48`
`49`		`-static int ring_interrupt_index(struct tb_ring *ring)`
	`49`	`+static int ring_interrupt_index(const struct tb_ring *ring)`
`50`	`50`	`{`
`51`	`51`	`int bit = ring->hop;`
`52`	`52`	`if (!ring->is_tx)`