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05 April 2024, 19:05:47 UTC
Revision 11ac7cc88b48130106c42c0dcaf8ba74fc9e7978 authored by Linus Torvalds on 15 November 2019, 16:53:52 UTC, committed by Linus Torvalds on 15 November 2019, 16:53:52 UTC 
Merge tag 'sound-5.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
 
Pull sound fixes from Takashi Iwai:
 "A few small last-minute fixes for USB-audio and HD-audio as well as
  for PCM core:

   - A race fix for PCM core between stopping and closing a stream

   - USB-audio regressions in the recent descriptor validation code and
     relevant changes

   - A read of uninitialized value in USB-audio spotted by fuzzer

   - A fix for USB-audio race at stopping a stream

   - Intel HD-audio platform fixes"

* tag 'sound-5.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: usb-audio: Fix incorrect size check for processing/extension units
  ALSA: usb-audio: Fix incorrect NULL check in create_yamaha_midi_quirk()
  ALSA: pcm: Fix stream lock usage in snd_pcm_period_elapsed()
  ALSA: usb-audio: not submit urb for stopped endpoint
  ALSA: hda: hdmi - fix pin setup on Tigerlake
  ALSA: hda: Add Cometlake-S PCI ID
  ALSA: usb-audio: Fix missing error check at mixer resolution test
2 parent s 37b49f3 + 976a68f
Raw File
Tip revision: 11ac7cc88b48130106c42c0dcaf8ba74fc9e7978 authored by Linus Torvalds on 15 November 2019, 16:53:52 UTC
Merge tag 'sound-5.4-rc8' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Tip revision: 11ac7cc
cma.h 
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __MM_CMA_H__
#define __MM_CMA_H__

struct cma {
	unsigned long   base_pfn;
	unsigned long   count;
	unsigned long   *bitmap;
	unsigned int order_per_bit; /* Order of pages represented by one bit */
	struct mutex    lock;
#ifdef CONFIG_CMA_DEBUGFS
	struct hlist_head mem_head;
	spinlock_t mem_head_lock;
#endif
	const char *name;
};

extern struct cma cma_areas[MAX_CMA_AREAS];
extern unsigned cma_area_count;

static inline unsigned long cma_bitmap_maxno(struct cma *cma)
{
	return cma->count >> cma->order_per_bit;
}

#endif
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