From: Helge Deller <deller@gmx.de>
Date: Sun, 7 Oct 2018 21:28:45 +0000 (+0200)
Subject: parisc: Ratelimit dino stuck interrupt warnings
X-Git-Tag: for-linus-20181026~45^2~14
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=2e37787df0ed0047848dba2eba53510a9185b991;p=linux-block.git

parisc: Ratelimit dino stuck interrupt warnings

While playing with qemu with an emulated RT8139cp NIC, I faced lots of
the following warnings:
Dino 0x00810000: stuck interrupt 2

This patch ratelimits this warning and reports back that the IRQ was
handled.

Signed-off-by: Helge Deller <deller@gmx.de>
---

diff --git a/drivers/parisc/dino.c b/drivers/parisc/dino.c
index ac646d42b300..dfeea458a789 100644
--- a/drivers/parisc/dino.c
+++ b/drivers/parisc/dino.c
@@ -396,9 +396,8 @@ ilr_again:
 	if (mask) {
 		if (--ilr_loop > 0)
 			goto ilr_again;
-		printk(KERN_ERR "Dino 0x%px: stuck interrupt %d\n",
+		pr_warn_ratelimited("Dino 0x%px: stuck interrupt %d\n",
 		       dino_dev->hba.base_addr, mask);
-		return IRQ_NONE;
 	}
 	return IRQ_HANDLED;
 }