From: Christoph Hellwig <hch@lst.de>
Date: Thu, 11 Aug 2016 14:26:01 +0000 (-0700)
Subject: ahci: disable correct irq for dummy ports
X-Git-Tag: v4.8-rc5~30^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9b4b3f6a062b22550e62523efe5213776cdd426b;p=platform%2Fkernel%2Flinux-exynos.git

ahci: disable correct irq for dummy ports

irq already contains the interrupt number for the port, don't add the
port index to it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Tejun Heo <tj@kernel.org>
Fixes: d684a90d38e2 ("ahci: per-port msix support")
Cc: stable@vger.kernel.org v4.5+
---

diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 7461a587b39b..dcf2c724fd06 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -2524,7 +2524,7 @@ static int ahci_host_activate_multi_irqs(struct ata_host *host,
 
 		/* Do not receive interrupts sent by dummy ports */
 		if (!pp) {
-			disable_irq(irq + i);
+			disable_irq(irq);
 			continue;
 		}