From 6a5d6fd332624e4eee9a450bb3d18f761548822f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Amadeusz=20S=C5=82awi=C5=84ski?= <amadeuszx.slawinski@linux.intel.com>
Date: Thu, 7 May 2020 09:34:04 -0400
Subject: [PATCH] ASoC: Intel: baytrail: Fix register access
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Git-commit: 6a5d6fd332624e4eee9a450bb3d18f761548822f
Patch-mainline: v5.8-rc1
References: jsc#SLE-16518

Baytrail has 64 bit registers, so we should use *read64* to read from it
and then use proper mask values to check status.

Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Tested-by: Brent Lu <brent.lu@intel.com>
Acked-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20200507133405.32251-1-amadeuszx.slawinski@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Takashi Iwai <tiwai@suse.de>

---
 sound/soc/intel/baytrail/sst-baytrail-ipc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/soc/intel/baytrail/sst-baytrail-ipc.c b/sound/soc/intel/baytrail/sst-baytrail-ipc.c
index 74274bd38f7a..34746fd871b0 100644
--- a/sound/soc/intel/baytrail/sst-baytrail-ipc.c
+++ b/sound/soc/intel/baytrail/sst-baytrail-ipc.c
@@ -666,8 +666,8 @@ static bool byt_is_dsp_busy(struct sst_dsp *dsp)
 {
 	u64 ipcx;
 
-	ipcx = sst_dsp_shim_read_unlocked(dsp, SST_IPCX);
-	return (ipcx & (SST_IPCX_BUSY | SST_IPCX_DONE));
+	ipcx = sst_dsp_shim_read64_unlocked(dsp, SST_IPCX);
+	return (ipcx & (SST_BYT_IPCX_BUSY | SST_BYT_IPCX_DONE));
 }
 
 int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
-- 
2.16.4