/* * rl6347a.h - RL6347A class device shared support * * Copyright 2015 Realtek Semiconductor Corp. * * Author: Oder Chiou * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __RL6347A_H__ #define __RL6347A_H__ #include #define VERB_CMD(V, N, D) ((N << 20) | (V << 8) | D) #define RL6347A_VENDOR_REGISTERS 0x20 #define RL6347A_COEF_INDEX\ VERB_CMD(AC_VERB_SET_COEF_INDEX, RL6347A_VENDOR_REGISTERS, 0) #define RL6347A_PROC_COEF\ VERB_CMD(AC_VERB_SET_PROC_COEF, RL6347A_VENDOR_REGISTERS, 0) struct rl6347a_priv { struct reg_default *index_cache; int index_cache_size; }; int rl6347a_hw_write(void *context, unsigned int reg, unsigned int value); int rl6347a_hw_read(void *context, unsigned int reg, unsigned int *value); #endif /* __RL6347A_H__ */ c6dcf52c23d2d3fb5235cec42d7dd3f786b87d55'/> net-next plumbingsTobias Klauser
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authorJan Kara <jack@suse.cz>2016-08-10 17:22:44 +0200
committerDan Williams <dan.j.williams@intel.com>2016-12-26 20:29:24 -0800
commitc6dcf52c23d2d3fb5235cec42d7dd3f786b87d55 (patch)
tree7e63a6c0225a769e679b194f54b5723e4cfba385 /sound/firewire/bebob
parente568df6b84ff05a22467503afc11bee7a6ba0700 (diff)
mm: Invalidate DAX radix tree entries only if appropriate
Currently invalidate_inode_pages2_range() and invalidate_mapping_pages() just delete all exceptional radix tree entries they find. For DAX this is not desirable as we track cache dirtiness in these entries and when they are evicted, we may not flush caches although it is necessary. This can for example manifest when we write to the same block both via mmap and via write(2) (to different offsets) and fsync(2) then does not properly flush CPU caches when modification via write(2) was the last one. Create appropriate DAX functions to handle invalidation of DAX entries for invalidate_inode_pages2_range() and invalidate_mapping_pages() and wire them up into the corresponding mm functions. Acked-by: Johannes Weiner <hannes@cmpxchg.org> Reviewed-by: Ross Zwisler <ross.zwisler@linux.intel.com> Signed-off-by: Jan Kara <jack@suse.cz> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'sound/firewire/bebob')