[PATCH v2 6/7] can: rcar_canfd: Enhance multi_channel_irqs handling

[Biju Das <biju.das.jz@xxxxxxxxxxxxxx>]

Currently multi_channel_irqs has only 2 channels. But RZ/G3E has six
channels. Enhance multi_channel_irqs handling to support more than two
channels.

Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
v1->v2:
 * No change.
---
 drivers/net/can/rcar/rcar_canfd.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index f353a9d560e8..bf2561168e98 100644
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -1748,16 +1748,19 @@ static int rcar_canfd_channel_probe(struct rcar_canfd_global *gpriv, u32 ch,
 
 	if (info->multi_channel_irqs) {
 		char *irq_name;
+		char name[10];
 		int err_irq;
 		int tx_irq;
 
-		err_irq = platform_get_irq_byname(pdev, ch == 0 ? "ch0_err" : "ch1_err");
+		scnprintf(name, 10, "ch%u_err", ch);
+		err_irq = platform_get_irq_byname(pdev, name);
 		if (err_irq < 0) {
 			err = err_irq;
 			goto fail;
 		}
 
-		tx_irq = platform_get_irq_byname(pdev, ch == 0 ? "ch0_trx" : "ch1_trx");
+		scnprintf(name, 10, "ch%u_trx", ch);
+		tx_irq = platform_get_irq_byname(pdev, name);
 		if (tx_irq < 0) {
 			err = tx_irq;
 			goto fail;
-- 
2.43.0