[PATCH] tty: evh_bytechan: Replace NO_IRQ by 0
From: Christophe Leroy <hidden>
Date: 2022-10-06 05:21:31
Also in:
lkml
Subsystem:
epapr hypervisor byte channel device driver, the rest, tty layer and serial drivers · Maintainers:
Laurentiu Tudor, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
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. Signed-off-by: Christophe Leroy <redacted> --- drivers/tty/ehv_bytechan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/tty/ehv_bytechan.c b/drivers/tty/ehv_bytechan.c
index 19d32cb6af84..8595483f4697 100644
--- a/drivers/tty/ehv_bytechan.c
+++ b/drivers/tty/ehv_bytechan.c@@ -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;
--
2.37.1