/* * JFFS2 -- Journalling Flash File System, Version 2. * * Copyright © 2004 Ferenc Havasi , * University of Szeged, Hungary * Copyright © 2004-2010 David Woodhouse * * For licensing information, see the file 'LICENCE' in this directory. * */ #ifndef __JFFS2_COMPR_H__ #define __JFFS2_COMPR_H__ #include #include #include #include #include #include #include #include #include #include "jffs2_fs_i.h" #include "jffs2_fs_sb.h" #include "nodelist.h" #define JFFS2_RUBINMIPS_PRIORITY 10 #define JFFS2_DYNRUBIN_PRIORITY 20 #define JFFS2_LZARI_PRIORITY 30 #define JFFS2_RTIME_PRIORITY 50 #define JFFS2_ZLIB_PRIORITY 60 #define JFFS2_LZO_PRIORITY 80 #define JFFS2_RUBINMIPS_DISABLED /* RUBINs will be used only */ #define JFFS2_DYNRUBIN_DISABLED /* for decompression */ #define JFFS2_COMPR_MODE_NONE 0 #define JFFS2_COMPR_MODE_PRIORITY 1 #define JFFS2_COMPR_MODE_SIZE 2 #define JFFS2_COMPR_MODE_FAVOURLZO 3 #define JFFS2_COMPR_MODE_FORCELZO 4 #define JFFS2_COMPR_MODE_FORCEZLIB 5 #define FAVOUR_LZO_PERCENT 80 struct jffs2_compressor { struct list_head list; int priority; /* used by prirority comr. mode */ char *name; char compr; /* JFFS2_COMPR_XXX */ int (*compress)(unsigned char *data_in, unsigned char *cpage_out, uint32_t *srclen, uint32_t *destlen); int (*decompress)(unsigned char *cdata_in, unsigned char *data_out, uint32_t cdatalen, uint32_t datalen); int usecount; int disabled; /* if set the compressor won't compress */ unsigned char *compr_buf; /* used by size compr. mode */ uint32_t compr_buf_size; /* used by size compr. mode */ uint32_t stat_compr_orig_size; uint32_t stat_compr_new_size; uint32_t stat_compr_blocks; uint32_t stat_decompr_blocks; }; int jffs2_register_compressor(struct jffs2_compressor *comp); int jffs2_unregister_compressor(struct jffs2_compressor *comp); int jffs2_compressors_init(void); int jffs2_compressors_exit(void); uint16_t jffs2_compress(struct jffs2_sb_info *c, struct jffs2_inode_info *f, unsigned char *data_in, unsigned char **cpage_out, uint32_t *datalen, uint32_t *cdatalen); int jffs2_decompress(struct jffs2_sb_info *c, struct jffs2_inode_info *f, uint16_t comprtype, unsigned char *cdata_in, unsigned char *data_out, uint32_t cdatalen, uint32_t datalen); void jffs2_free_comprbuf(unsigned char *comprbuf, unsigned char *orig); /* Compressor modules */ /* These functions will be called by jffs2_compressors_init/exit */ #ifdef CONFIG_JFFS2_RUBIN int jffs2_rubinmips_init(void); void jffs2_rubinmips_exit(void); int jffs2_dynrubin_init(void); void jffs2_dynrubin_exit(void); #endif #ifdef CONFIG_JFFS2_RTIME int jffs2_rtime_init(void); void jffs2_rtime_exit(void); #endif #ifdef CONFIG_JFFS2_ZLIB int jffs2_zlib_init(void); void jffs2_zlib_exit(void); #endif #ifdef CONFIG_JFFS2_LZO int jffs2_lzo_init(void); void jffs2_lzo_exit(void); #endif #endif /* __JFFS2_COMPR_H__ */ ivate-remove&id=bbb27fc33d44e7b8d96369810654df4ee1837566'>drivers/usb/musb/musbhsdma.c
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authorRicardo Ribalda <ricardo.ribalda@gmail.com>2017-02-02 20:15:16 +0100
committerWolfram Sang <wsa@the-dreams.de>2017-02-09 17:13:01 +0100
commitbbb27fc33d44e7b8d96369810654df4ee1837566 (patch)
treeb769e165ad52c0021054f1a048b62bd7e4fbec47 /drivers/usb/musb/musbhsdma.c
parentf43128c75202f29ee71aa83e6c320a911137c189 (diff)
i2c: piix4: Request the SMBUS semaphore inside the mutex
SMBSLVCNT must be protected with the piix4_mutex_sb800 in order to avoid multiple buses accessing to the semaphore at the same time. Fixes: 701dc207bf55 ("i2c: piix4: Avoid race conditions with IMC") Reported-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/usb/musb/musbhsdma.c')