diff mbox series

[v4,06/12] can: m_can: Use u32 for putidx

Message ID 20230621092350.3130866-7-msp@baylibre.com
State New
Headers
Series can: m_can: Optimizations for m_can/tcan part 2 |

Commit Message

Markus Schneider-Pargmann June 21, 2023, 9:23 a.m. UTC 
  putidx is not an integer normally, it is an unsigned field used in
hardware registers. Use a u32 for it.

Signed-off-by: Markus Schneider-Pargmann <msp@baylibre.com>
---
 drivers/net/can/m_can/m_can.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index d1435d1466b2..6f8043636c54 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -467,7 +467,7 @@  static void m_can_clean(struct net_device *net)
 	struct m_can_classdev *cdev = netdev_priv(net);
 
 	if (cdev->tx_skb) {
-		int putidx = 0;
+		u32 putidx = 0;
 
 		net->stats.tx_errors++;
 		if (cdev->version > 30)
@@ -1673,12 +1673,12 @@  static int m_can_close(struct net_device *dev)
 	return 0;
 }
 
-static int m_can_next_echo_skb_occupied(struct net_device *dev, int putidx)
+static int m_can_next_echo_skb_occupied(struct net_device *dev, u32 putidx)
 {
 	struct m_can_classdev *cdev = netdev_priv(dev);
 	/*get wrap around for loopback skb index */
 	unsigned int wrap = cdev->can.echo_skb_max;
-	int next_idx;
+	u32 next_idx;
 
 	/* calculate next index */
 	next_idx = (++putidx >= wrap ? 0 : putidx);
@@ -1698,7 +1698,7 @@  static netdev_tx_t m_can_tx_handler(struct m_can_classdev *cdev)
 	u32 cccr, fdflags;
 	u32 txfqs;
 	int err;
-	int putidx;
+	u32 putidx;
 
 	cdev->tx_skb = NULL;