From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Thu, 17 Apr 2014 16:33:19 +0000 (-0700)
Subject: Revert "serial: 8250, disable "too much work" messages"
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=12de375ec493ab1767d4a07dde823e63ae5edc21;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

Revert "serial: 8250, disable "too much work" messages"

This reverts commit f4f653e9875e573860e783fecbebde284a8626f5.

Jiri writes:
	No, please drop this one. We need a better solution as it turned
	out that some boxes need 16k loops and it will increase with new
	processors :(.

Cc: Jiri Slaby <jslaby@suse.cz>
Cc: Martin Pluskal <mpluskal@suse.com>
Cc: Takashi Iwai <tiwai@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 139ab1997e06..81f909c2101f 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -1601,7 +1601,8 @@ static irqreturn_t serial8250_interrupt(int irq, void *dev_id)
 		l = l->next;
 
 		if (l == i->head && pass_counter++ > PASS_LIMIT) {
-			pr_debug_ratelimited(
+			/* If we hit this, we're dead. */
+			printk_ratelimited(KERN_ERR
 				"serial8250: too much work for irq%d\n", irq);
 			break;
 		}