Update Linux to v5.4.2

Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h
index 53c3cd2..82e2644 100644
--- a/sound/pci/hda/hda_controller.h
+++ b/sound/pci/hda/hda_controller.h
@@ -1,15 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
 /*
  *  Common functionality for the alsa driver code base for HD Audio.
- *
- *  This program is free software; you can redistribute it and/or modify it
- *  under the terms of the GNU General Public License as published by the Free
- *  Software Foundation; either version 2 of the License, or (at your option)
- *  any later version.
- *
- *  This program is distributed in the hope that it will be useful, but WITHOUT
- *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- *  more details.
  */
 
 #ifndef __SOUND_HDA_CONTROLLER_H
@@ -20,7 +11,7 @@
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/initval.h>
-#include "hda_codec.h"
+#include <sound/hda_codec.h>
 #include <sound/hda_register.h>
 
 #define AZX_MAX_CODECS		HDA_MAX_CODECS
@@ -40,7 +31,7 @@
 /* 14 unused */
 #define AZX_DCAPS_CTX_WORKAROUND (1 << 15)	/* X-Fi workaround */
 #define AZX_DCAPS_POSFIX_LPIB	(1 << 16)	/* Use LPIB as default */
-/* 17 unused */
+#define AZX_DCAPS_AMD_WORKAROUND (1 << 17)	/* AMD-specific workaround */
 #define AZX_DCAPS_NO_64BIT	(1 << 18)	/* No 64bit address */
 #define AZX_DCAPS_SYNC_WRITE	(1 << 19)	/* sync each cmd write */
 #define AZX_DCAPS_OLD_SSYNC	(1 << 20)	/* Old SSYNC reg for ICH */
@@ -50,11 +41,7 @@
 /* 24 unused */
 #define AZX_DCAPS_COUNT_LPIB_DELAY  (1 << 25)	/* Take LPIB as delay */
 #define AZX_DCAPS_PM_RUNTIME	(1 << 26)	/* runtime PM support */
-#ifdef CONFIG_SND_HDA_I915
-#define AZX_DCAPS_I915_POWERWELL (1 << 27)	/* HSW i915 powerwell support */
-#else
-#define AZX_DCAPS_I915_POWERWELL 0		/* NOP */
-#endif
+/* 27 unused */
 #define AZX_DCAPS_CORBRP_SELF_CLEAR (1 << 28)	/* CORBRP clears itself after reset */
 #define AZX_DCAPS_NO_MSI64      (1 << 29)	/* Stick to 32-bit MSIs */
 #define AZX_DCAPS_SEPARATE_STREAM_TAG	(1 << 30) /* capture and playback use separate stream tag */
@@ -76,7 +63,6 @@
 	 *  when link position is not greater than FIFO size
 	 */
 	unsigned int insufficient:1;
-	unsigned int wc_marked:1;
 };
 
 #define azx_stream(dev)		(&(dev)->core)
@@ -88,11 +74,6 @@
 struct hda_controller_ops {
 	/* Disable msi if supported, PCI only */
 	int (*disable_msi_reset_irq)(struct azx *);
-	int (*substream_alloc_pages)(struct azx *chip,
-				     struct snd_pcm_substream *substream,
-				     size_t size);
-	int (*substream_free_pages)(struct azx *chip,
-				    struct snd_pcm_substream *substream);
 	void (*pcm_mmap_prepare)(struct snd_pcm_substream *substream,
 				 struct vm_area_struct *area);
 	/* Check if current position is acceptable */
@@ -127,7 +108,7 @@
 	int capture_streams;
 	int capture_index_offset;
 	int num_streams;
-	const int *jackpoll_ms; /* per-card jack poll interval */
+	int jackpoll_interval; /* jack poll interval in jiffies */
 
 	/* Register interaction. */
 	const struct hda_controller_ops *ops;
@@ -152,11 +133,9 @@
 
 	/* flags */
 	int bdl_pos_adj;
-	int poll_count;
 	unsigned int running:1;
 	unsigned int fallback_to_single_cmd:1;
 	unsigned int single_cmd:1;
-	unsigned int polling_mode:1;
 	unsigned int msi:1;
 	unsigned int probing:1; /* codec probing phase */
 	unsigned int snoop:1;
@@ -176,11 +155,10 @@
 #define azx_bus(chip)	(&(chip)->bus.core)
 #define bus_to_azx(_bus)	container_of(_bus, struct azx, bus.core)
 
-#ifdef CONFIG_X86
-#define azx_snoop(chip)		((chip)->snoop)
-#else
-#define azx_snoop(chip)		true
-#endif
+static inline bool azx_snoop(struct azx *chip)
+{
+	return !IS_ENABLED(CONFIG_X86) || chip->snoop;
+}
 
 /*
  * macros for easy use
@@ -228,8 +206,7 @@
 irqreturn_t azx_interrupt(int irq, void *dev_id);
 
 /* Codec interface */
-int azx_bus_init(struct azx *chip, const char *model,
-		 const struct hdac_io_ops *io_ops);
+int azx_bus_init(struct azx *chip, const char *model);
 int azx_probe_codecs(struct azx *chip, unsigned int max_slots);
 int azx_codec_configure(struct azx *chip);
 int azx_init_streams(struct azx *chip);