Simplify the use of reg_size, by calculating it once and storing it in the codec structure for later reference. The value of reg_size is reg_cache_size * reg_word_size.

Signed-off-by: Dimitris Papastamos dp@opensource.wolfsonmicro.com --- include/sound/soc.h | 1 + sound/soc/soc-cache.c | 26 ++++++++------------------ sound/soc/soc-core.c | 1 + 3 files changed, 10 insertions(+), 18 deletions(-)

diff --git a/include/sound/soc.h b/include/sound/soc.h index c477058..d609232 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -459,6 +459,7 @@ struct snd_soc_codec { struct list_head card_list; int num_dai; enum snd_soc_compress_type compress_type; + size_t reg_size; /* reg_cache_size * reg_word_size */

/* runtime */ struct snd_ac97 *ac97; /* for ad-hoc ac97 devices */ diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index 2f1d596..1a36b36 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -1100,34 +1100,28 @@ static inline int snd_soc_lzo_get_blkindex(struct snd_soc_codec *codec, unsigned int reg) { const struct snd_soc_codec_driver *codec_drv; - size_t reg_size;

codec_drv = codec->driver; - reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; return (reg * codec_drv->reg_word_size) / - DIV_ROUND_UP(reg_size, snd_soc_lzo_block_count()); + DIV_ROUND_UP(codec->reg_size, snd_soc_lzo_block_count()); }

static inline int snd_soc_lzo_get_blkpos(struct snd_soc_codec *codec, unsigned int reg) { const struct snd_soc_codec_driver *codec_drv; - size_t reg_size;

codec_drv = codec->driver; - reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; - return reg % (DIV_ROUND_UP(reg_size, snd_soc_lzo_block_count()) / + return reg % (DIV_ROUND_UP(codec->reg_size, snd_soc_lzo_block_count()) / codec_drv->reg_word_size); }

static inline int snd_soc_lzo_get_blksize(struct snd_soc_codec *codec) { const struct snd_soc_codec_driver *codec_drv; - size_t reg_size;

codec_drv = codec->driver; - reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; - return DIV_ROUND_UP(reg_size, snd_soc_lzo_block_count()); + return DIV_ROUND_UP(codec->reg_size, snd_soc_lzo_block_count()); }

static int snd_soc_lzo_cache_sync(struct snd_soc_codec *codec) @@ -1287,7 +1281,7 @@ static int snd_soc_lzo_cache_exit(struct snd_soc_codec *codec) static int snd_soc_lzo_cache_init(struct snd_soc_codec *codec) { struct snd_soc_lzo_ctx **lzo_blocks; - size_t reg_size, bmp_size; + size_t bmp_size; const struct snd_soc_codec_driver *codec_drv; int ret, tofree, i, blksize, blkcount; const char *p, *end; @@ -1295,7 +1289,6 @@ static int snd_soc_lzo_cache_init(struct snd_soc_codec *codec)

ret = 0; codec_drv = codec->driver; - reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;

/* * If we have not been given a default register cache @@ -1307,8 +1300,7 @@ static int snd_soc_lzo_cache_init(struct snd_soc_codec *codec) tofree = 1;

if (!codec->reg_def_copy) { - codec->reg_def_copy = kzalloc(reg_size, - GFP_KERNEL); + codec->reg_def_copy = kzalloc(codec->reg_size, GFP_KERNEL); if (!codec->reg_def_copy) return -ENOMEM; } @@ -1356,7 +1348,7 @@ static int snd_soc_lzo_cache_init(struct snd_soc_codec *codec)

blksize = snd_soc_lzo_get_blksize(codec); p = codec->reg_def_copy; - end = codec->reg_def_copy + reg_size; + end = codec->reg_def_copy + codec->reg_size; /* compress the register map and fill the lzo blocks */ for (i = 0; i < blkcount; ++i, p += blksize) { lzo_blocks[i]->src = p; @@ -1441,16 +1433,14 @@ static int snd_soc_flat_cache_exit(struct snd_soc_codec *codec) static int snd_soc_flat_cache_init(struct snd_soc_codec *codec) { const struct snd_soc_codec_driver *codec_drv; - size_t reg_size;

codec_drv = codec->driver; - reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size;

if (codec->reg_def_copy) codec->reg_cache = kmemdup(codec->reg_def_copy, - reg_size, GFP_KERNEL); + codec->reg_size, GFP_KERNEL); else - codec->reg_cache = kzalloc(reg_size, GFP_KERNEL); + codec->reg_cache = kzalloc(codec->reg_size, GFP_KERNEL); if (!codec->reg_cache) return -ENOMEM;

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 04475c1..cbac50b 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3500,6 +3500,7 @@ int snd_soc_register_codec(struct device *dev, /* allocate CODEC register cache */ if (codec_drv->reg_cache_size && codec_drv->reg_word_size) { reg_size = codec_drv->reg_cache_size * codec_drv->reg_word_size; + codec->reg_size = reg_size; /* it is necessary to make a copy of the default register cache * because in the case of using a compression type that requires * the default register cache to be marked as __devinitconst the