[patch] add printk_ratelimit to atkbd_interrupt
From: Qi Yong <hidden>
Date: 2007-06-20 01:35:28
Also in:
linux-input
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
Add printk_ratelimit() to atkbd_interrupt(). I get "Spurious ACK" messages flushing on my screen. This patch helps to read the screen. Signed-off-by: Qi Yong <redacted> --
diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index be1fe46..13e6bd4 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c@@ -408,9 +408,10 @@ static irqreturn_t atkbd_interrupt(struct serio *serio, unsigned char data, goto out; case ATKBD_RET_ACK: case ATKBD_RET_NAK: - printk(KERN_WARNING "atkbd.c: Spurious %s on %s. " - "Some program might be trying access hardware directly.\n", - data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); + if (printk_ratelimit()) + printk(KERN_WARNING "atkbd.c: Spurious %s on %s. " + "Some program might be trying access hardware directly.\n", + data == ATKBD_RET_ACK ? "ACK" : "NAK", serio->phys); goto out; case ATKBD_RET_HANGEUL: case ATKBD_RET_HANJA: