From fe4010667741df8c8d6bef1780ec34ebf43cf007 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 9 Aug 2019 12:54:58 +1000
Subject: [PATCH] ALSA: hda: readl/writel need linux/io.h

Fixes: 19abfefd4c76 ("ALSA: hda: Direct MMIO accesses")
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
 sound/hda/hdac_bus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/hda/hdac_bus.c b/sound/hda/hdac_bus.c
index dc2523ef7d98..cd25e2b3f7f2 100644
--- a/sound/hda/hdac_bus.c
+++ b/sound/hda/hdac_bus.c
@@ -4,6 +4,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/device.h>
 #include <linux/module.h>
 #include <linux/export.h>