Commit 72da688b authored by Christophe Leroy's avatar Christophe Leroy Committed by Greg Kroah-Hartman
Browse files

tty: evh_bytechan: Replace NO_IRQ by 0 



NO_IRQ is used to check the return of irq_of_parse_and_map().

On some architecture NO_IRQ is 0, on other architectures it is -1.

irq_of_parse_and_map() returns 0 on error, independent of NO_IRQ.

So use 0 instead of using NO_IRQ.

Reviewed-by: default avatarJiri Slaby <jirislaby@kernel.org>
Acked-by: default avatarLaurentiu Tudor <laurentiu.tudor@nxp.com>
Signed-off-by: default avatarChristophe Leroy <christophe.leroy@csgroup.eu>
Link: https://lore.kernel.org/r/23f608ca57e7e19bc7060d3e563de383e0b2b337.1665033575.git.christophe.leroy@csgroup.eu


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f58a1604

drivers/tty/ehv_bytechan.c

+2 −2
Original line number Diff line number Diff line
@@ -118,7 +118,7 @@ static int find_console_handle(void) 
		return 0;



	stdout_irq = irq_of_parse_and_map(np, 0);

	if (stdout_irq == NO_IRQ) {

	if (!stdout_irq) {

		pr_err("ehv-bc: no 'interrupts' property in %pOF node\n", np);

		return 0;

	}
@@ -696,7 +696,7 @@ static int ehv_bc_tty_probe(struct platform_device *pdev) 


	bc->rx_irq = irq_of_parse_and_map(np, 0);

	bc->tx_irq = irq_of_parse_and_map(np, 1);

	if ((bc->rx_irq == NO_IRQ) || (bc->tx_irq == NO_IRQ)) {

	if (!bc->rx_irq || !bc->tx_irq) {

		dev_err(&pdev->dev, "no 'interrupts' property in %pOFn node\n",

			np);

		ret = -ENODEV;