From e4cc0aaac390a87f80ae542c75d4c84de08816f9 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Wed, 3 Jun 2020 11:39:39 +0800 Subject: [PATCH 1/3] ASoC: fsl_easrc: Fix -Wmissing-prototypes warning Obtained with: $ make W=1 sound/soc/fsl/fsl_easrc.c:967:5: warning: no previous prototype for function 'fsl_easrc_config_context' [-Wmissing-prototypes] int fsl_easrc_config_context(struct fsl_asrc *easrc, unsigned int ctx_id) ^ sound/soc/fsl/fsl_easrc.c:967:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int fsl_easrc_config_context(struct fsl_asrc *easrc, unsigned int ctx_id) ^ static sound/soc/fsl/fsl_easrc.c:1128:5: warning: no previous prototype for function 'fsl_easrc_set_ctx_format' [-Wmissing-prototypes] int fsl_easrc_set_ctx_format(struct fsl_asrc_pair *ctx, ^ sound/soc/fsl/fsl_easrc.c:1128:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int fsl_easrc_set_ctx_format(struct fsl_asrc_pair *ctx, ^ static sound/soc/fsl/fsl_easrc.c:1201:5: warning: no previous prototype for function 'fsl_easrc_set_ctx_organziation' [-Wmissing-prototypes] int fsl_easrc_set_ctx_organziation(struct fsl_asrc_pair *ctx) ^ sound/soc/fsl/fsl_easrc.c:1201:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int fsl_easrc_set_ctx_organziation(struct fsl_asrc_pair *ctx) ^ static sound/soc/fsl/fsl_easrc.c:1245:5: warning: no previous prototype for function 'fsl_easrc_request_context' [-Wmissing-prototypes] int fsl_easrc_request_context(int channels, struct fsl_asrc_pair *ctx) ^ sound/soc/fsl/fsl_easrc.c:1245:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int fsl_easrc_request_context(int channels, struct fsl_asrc_pair *ctx) ^ static sound/soc/fsl/fsl_easrc.c:1290:6: warning: no previous prototype for function 'fsl_easrc_release_context' [-Wmissing-prototypes] void fsl_easrc_release_context(struct fsl_asrc_pair *ctx) ^ sound/soc/fsl/fsl_easrc.c:1290:1: note: declare 'static' if the function is not intended to be used outside of this translation unit void fsl_easrc_release_context(struct fsl_asrc_pair *ctx) ^ static sound/soc/fsl/fsl_easrc.c:1317:5: warning: no previous prototype for function 'fsl_easrc_start_context' [-Wmissing-prototypes] int fsl_easrc_start_context(struct fsl_asrc_pair *ctx) ^ sound/soc/fsl/fsl_easrc.c:1317:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int fsl_easrc_start_context(struct fsl_asrc_pair *ctx) ^ static sound/soc/fsl/fsl_easrc.c:1335:5: warning: no previous prototype for function 'fsl_easrc_stop_context' [-Wmissing-prototypes] int fsl_easrc_stop_context(struct fsl_asrc_pair *ctx) ^ sound/soc/fsl/fsl_easrc.c:1335:1: note: declare 'static' if the function is not intended to be used outside of this translation unit int fsl_easrc_stop_context(struct fsl_asrc_pair *ctx) ^ static sound/soc/fsl/fsl_easrc.c:1382:18: warning: no previous prototype for function 'fsl_easrc_get_dma_channel' [-Wmissing-prototypes] struct dma_chan *fsl_easrc_get_dma_channel(struct fsl_asrc_pair *ctx, ^ sound/soc/fsl/fsl_easrc.c:1382:1: note: declare 'static' if the function is not intended to be used outside of this translation unit struct dma_chan *fsl_easrc_get_dma_channel(struct fsl_asrc_pair *ctx, ^ static Fixes: 955ac624058f ("ASoC: fsl_easrc: Add EASRC ASoC CPU DAI drivers") Reported-by: kbuild test robot Signed-off-by: Shengjiu Wang Acked-by: Nicolin Chen Link: https://lore.kernel.org/r/ab1b83a56c71f4159a98e6da5602c2c36fe59f4d.1591155860.git.shengjiu.wang@nxp.com Signed-off-by: Mark Brown --- sound/soc/fsl/fsl_easrc.c | 23 +++++++++++------------ 1 file changed, 11 insertions(+), 12 deletions(-) diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index c6b5eb2d2af7..f227308a50e2 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -964,7 +964,7 @@ static int fsl_easrc_release_slot(struct fsl_asrc *easrc, unsigned int ctx_id) * * Configure the register relate with context. */ -int fsl_easrc_config_context(struct fsl_asrc *easrc, unsigned int ctx_id) +static int fsl_easrc_config_context(struct fsl_asrc *easrc, unsigned int ctx_id) { struct fsl_easrc_ctx_priv *ctx_priv; struct fsl_asrc_pair *ctx; @@ -1125,9 +1125,9 @@ static int fsl_easrc_process_format(struct fsl_asrc_pair *ctx, return 0; } -int fsl_easrc_set_ctx_format(struct fsl_asrc_pair *ctx, - snd_pcm_format_t *in_raw_format, - snd_pcm_format_t *out_raw_format) +static int fsl_easrc_set_ctx_format(struct fsl_asrc_pair *ctx, + snd_pcm_format_t *in_raw_format, + snd_pcm_format_t *out_raw_format) { struct fsl_asrc *easrc = ctx->asrc; struct fsl_easrc_ctx_priv *ctx_priv = ctx->private; @@ -1198,7 +1198,7 @@ int fsl_easrc_set_ctx_format(struct fsl_asrc_pair *ctx, * to conform with this format. Interleaving parameters are accessed * through the ASRC_CTRL_IN_ACCESSa and ASRC_CTRL_OUT_ACCESSa registers */ -int fsl_easrc_set_ctx_organziation(struct fsl_asrc_pair *ctx) +static int fsl_easrc_set_ctx_organziation(struct fsl_asrc_pair *ctx) { struct fsl_easrc_ctx_priv *ctx_priv; struct device *dev; @@ -1242,7 +1242,7 @@ int fsl_easrc_set_ctx_organziation(struct fsl_asrc_pair *ctx) * Returns a negative number on error and >=0 as context id * on success */ -int fsl_easrc_request_context(int channels, struct fsl_asrc_pair *ctx) +static int fsl_easrc_request_context(int channels, struct fsl_asrc_pair *ctx) { enum asrc_pair_index index = ASRC_INVALID_PAIR; struct fsl_asrc *easrc = ctx->asrc; @@ -1287,7 +1287,7 @@ int fsl_easrc_request_context(int channels, struct fsl_asrc_pair *ctx) * * This funciton is mainly doing the revert thing in request context */ -void fsl_easrc_release_context(struct fsl_asrc_pair *ctx) +static void fsl_easrc_release_context(struct fsl_asrc_pair *ctx) { unsigned long lock_flags; struct fsl_asrc *easrc; @@ -1314,7 +1314,7 @@ void fsl_easrc_release_context(struct fsl_asrc_pair *ctx) * * Enable the DMA request and context */ -int fsl_easrc_start_context(struct fsl_asrc_pair *ctx) +static int fsl_easrc_start_context(struct fsl_asrc_pair *ctx) { struct fsl_asrc *easrc = ctx->asrc; @@ -1332,7 +1332,7 @@ int fsl_easrc_start_context(struct fsl_asrc_pair *ctx) * * Disable the DMA request and context */ -int fsl_easrc_stop_context(struct fsl_asrc_pair *ctx) +static int fsl_easrc_stop_context(struct fsl_asrc_pair *ctx) { struct fsl_asrc *easrc = ctx->asrc; int val, i; @@ -1379,8 +1379,8 @@ int fsl_easrc_stop_context(struct fsl_asrc_pair *ctx) return 0; } -struct dma_chan *fsl_easrc_get_dma_channel(struct fsl_asrc_pair *ctx, - bool dir) +static struct dma_chan *fsl_easrc_get_dma_channel(struct fsl_asrc_pair *ctx, + bool dir) { struct fsl_asrc *easrc = ctx->asrc; enum asrc_pair_index index = ctx->index; @@ -1391,7 +1391,6 @@ struct dma_chan *fsl_easrc_get_dma_channel(struct fsl_asrc_pair *ctx, return dma_request_slave_channel(&easrc->pdev->dev, name); }; -EXPORT_SYMBOL_GPL(fsl_easrc_get_dma_channel); static const unsigned int easrc_rates[] = { 8000, 11025, 12000, 16000, From 633a2c7d6e621e748d69423fa85be88c7dcd4f94 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Wed, 3 Jun 2020 11:39:40 +0800 Subject: [PATCH 2/3] ASoC: fsl_easrc: Fix -Wunused-but-set-variable Obtained with: $ make W=1 unsigned int int_bits; ^ struct device *dev; ^ struct device *dev; ^ Fixes: 955ac624058f ("ASoC: fsl_easrc: Add EASRC ASoC CPU DAI drivers") Reported-by: kbuild test robot Signed-off-by: Shengjiu Wang Acked-by: Nicolin Chen sound/soc/fsl/fsl_easrc.c: In function 'fsl_easrc_set_rs_ratio': sound/soc/fsl/fsl_easrc.c:182:15: warning: variable 'int_bits' set but not used [-Wunused-but-set-variable] sound/soc/fsl/fsl_easrc.c: In function 'fsl_easrc_set_ctx_organziation': sound/soc/fsl/fsl_easrc.c:1204:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable] sound/soc/fsl/fsl_easrc.c: In function 'fsl_easrc_release_context': sound/soc/fsl/fsl_easrc.c:1294:17: warning: variable 'dev' set but not used [-Wunused-but-set-variable] Link: https://lore.kernel.org/r/91ceb59e3bce31c9e93abba06f5156692ff5c71e.1591155860.git.shengjiu.wang@nxp.com Signed-off-by: Mark Brown --- sound/soc/fsl/fsl_easrc.c | 11 +++-------- 1 file changed, 3 insertions(+), 8 deletions(-) diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index f227308a50e2..7d8bf9d47842 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -179,22 +179,21 @@ static int fsl_easrc_set_rs_ratio(struct fsl_asrc_pair *ctx) struct fsl_easrc_ctx_priv *ctx_priv = ctx->private; unsigned int in_rate = ctx_priv->in_params.norm_rate; unsigned int out_rate = ctx_priv->out_params.norm_rate; - unsigned int int_bits; unsigned int frac_bits; u64 val; u32 *r; switch (easrc_priv->rs_num_taps) { case EASRC_RS_32_TAPS: - int_bits = 5; + /* integer bits = 5; */ frac_bits = 39; break; case EASRC_RS_64_TAPS: - int_bits = 6; + /* integer bits = 6; */ frac_bits = 38; break; case EASRC_RS_128_TAPS: - int_bits = 7; + /* integer bits = 7; */ frac_bits = 37; break; default: @@ -1201,7 +1200,6 @@ static int fsl_easrc_set_ctx_format(struct fsl_asrc_pair *ctx, static int fsl_easrc_set_ctx_organziation(struct fsl_asrc_pair *ctx) { struct fsl_easrc_ctx_priv *ctx_priv; - struct device *dev; struct fsl_asrc *easrc; if (!ctx) @@ -1209,7 +1207,6 @@ static int fsl_easrc_set_ctx_organziation(struct fsl_asrc_pair *ctx) easrc = ctx->asrc; ctx_priv = ctx->private; - dev = &easrc->pdev->dev; /* input interleaving parameters */ regmap_update_bits(easrc->regmap, REG_EASRC_CIA(ctx->index), @@ -1291,13 +1288,11 @@ static void fsl_easrc_release_context(struct fsl_asrc_pair *ctx) { unsigned long lock_flags; struct fsl_asrc *easrc; - struct device *dev; if (!ctx) return; easrc = ctx->asrc; - dev = &easrc->pdev->dev; spin_lock_irqsave(&easrc->lock, lock_flags); From d73d682a9e87fa494868e8094fcc5b6a6b505464 Mon Sep 17 00:00:00 2001 From: Shengjiu Wang Date: Wed, 3 Jun 2020 11:39:41 +0800 Subject: [PATCH 3/3] ASoC: fsl_easrc: Fix "Function parameter not described" warnings Obtained with: $ make W=1 sound/soc/fsl/fsl_easrc.c:403: warning: Function parameter or member 'easrc' not described in 'fsl_easrc_normalize_filter' sound/soc/fsl/fsl_easrc.c:403: warning: Function parameter or member 'infilter' not described in 'fsl_easrc_normalize_filter' sound/soc/fsl/fsl_easrc.c:403: warning: Function parameter or member 'outfilter' not described in 'fsl_easrc_normalize_filter' sound/soc/fsl/fsl_easrc.c:403: warning: Function parameter or member 'shift' not described in 'fsl_easrc_normalize_filter' Fixes: 955ac624058f ("ASoC: fsl_easrc: Add EASRC ASoC CPU DAI drivers") Reported-by: kbuild test robot Signed-off-by: Shengjiu Wang Acked-by: Nicolin Chen Link: https://lore.kernel.org/r/d166b868e6d294de47a89857be03758ec82a0a61.1591155860.git.shengjiu.wang@nxp.com Signed-off-by: Mark Brown --- sound/soc/fsl/fsl_easrc.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c index 7d8bf9d47842..2f6b3d8bfcfc 100644 --- a/sound/soc/fsl/fsl_easrc.c +++ b/sound/soc/fsl/fsl_easrc.c @@ -389,11 +389,11 @@ static int fsl_easrc_resampler_config(struct fsl_asrc *easrc) * For input int[16, 24, 32] -> output float32 * scale it by multiplying filter coefficients by 2^-15, 2^-23, 2^-31 * input: - * asrc: Structure pointer of fsl_asrc - * infilter : Pointer to non-scaled input filter - * shift: The multiply factor + * @easrc: Structure pointer of fsl_asrc + * @infilter : Pointer to non-scaled input filter + * @shift: The multiply factor * output: - * outfilter: scaled filter + * @outfilter: scaled filter */ static int fsl_easrc_normalize_filter(struct fsl_asrc *easrc, u64 *infilter,